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Ikhlas Khan
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39
Khan, Shabana
35
Avula, Bharathi
33
Bedir, Erdal
19
Walker, Larry
17
Ganzera, Markus
16
Ferreira, Daneel
15
Ali, Zulfiqar
15
Schaneberg, Brian
15
Pawar, Rahul
14
Abourashed, Ehab
13
Smillie, Troy
9
Tabanca, Nurhayat
9
Li, Xing-Cong
9
Ma, Guoyi
9
Muhammad, Ilias
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All Publications
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2009: Hu Yuhui; Willett Kristine L; Khan Ikhlas A; Scheffler Brian E; Dasmahapatra Asok K
Ethanol disrupts chondrification of the neurocranial cartilages in medaka embryos without affecting aldehyde dehydrogenase 1A2 (Aldh1A2) promoter methylation.
Comparative biochemistry and physiology. Toxicology & pharmacology : CBP 2009;150(4):495-502.
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2009: Wang Wei; Ali Zulfiqar; Li Xing-Cong; Smillie Troy A; Guo De-An; Khan Ikhlas A
New clerodane diterpenoids from Casearia sylvestris.
Fitoterapia 2009;80(7):404-7.
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2009: Wang Wei; Zhao Jianpin; Wang Yan-hong; Smillie Troy A; Li Xing-Cong; Khan Ikhlas A
Diterpenoids from Casearia sylvestris.
Planta medica 2009;75(13):1436-41.
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2009: Avula Bharathi; Wang Yan-Hong; Ali Zulfiqar; Smillie Troy J; Filion Vicky; Cuerrier Alain; Arnason John T; Khan Ikhlas A
RP-HPLC determination of phenylalkanoids and monoterpenoids in Rhodiola rosea and identification by LC-ESI-TOF.
Biomedical chromatography : BMC 2009;23(8):865-72.
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2009: Li Jing; Ding Yuanqing; Li Xing-Cong; Ferreira Daneel; Khan Shabana; Smillie Troy; Khan Ikhlas A
Scuteflorins A and B, dihydropyranocoumarins from Scutellaria lateriflora.
Journal of natural products 2009;72(6):983-7.
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2009: Do Kee Hun; Choi Young Whan; Kim Eun Kyoung; Yun Sung Ji; Kim Min Sung; Lee Sun Young; Ha Jung Min; Kim Jae Ho; Kim Chi Dae; Son Beung Gu; Kang Jum Soon; Khan Ikhlas A; Bae Sun Sik
Pinoresinol-4,4'-di-O-beta-D-glucoside from Valeriana officinalis root stimulates calcium mobilization and chemotactic migration of mouse embryo fibroblasts.
Phytomedicine : international journal of phytotherapy and phytopharmacology 2009;16(6-7):530-7.
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2009: Avula Bharathi; Wang Yan-Hong; Smillie Troy J; Khan Ikhlas A
Column liquid chromatography/electrospray ionization-time of flight-mass spectrometry and ultraperformance column liquid chromatography/mass spectrometry methods for the determination of ginkgolides and bilobalide in the leaves of Ginkgo biloba and dietary supplements.
Journal of AOAC International 2009;92(2):645-52.
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2009: Avula Bharathi; Wang Yan-Hong; Smillie Troy J; Mabusela Wilfred; Vincent Leszek; Weitz Frans; Khan Ikhlas A
Quantitative determination of flavonoids by column high-performance liquid chromatography with mass spectrometry and ultraviolet absorption detection in Artemisia afra and comparative studies with various species of Artemisia plants.
Journal of AOAC International 2009;92(2):633-44.
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2009: Shukla Yatin J; Pawar Rahul S; Ding Yuanqing; Li Xing-Cong; Ferreira Daneel; Khan Ikhlas A
Pregnane glycosides from Hoodia gordonii.
Phytochemistry 2009;70(5):675-83.
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2009: Ali Zulfiqar; Khan Shabana I; Khan Ikhlas A
Soyasaponin Bh, a triterpene saponin containing a unique hemiacetal-functional five-membered ring from Glycine max (soybeans).
Planta medica 2009;75(4):371-4.
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2009: Techen Natascha; Pan Zhiqiang; Scheffler Brian E; Khan Ikhlas A
Detection of Illicium anisatum as adulterant of Illicium verum.
Planta medica 2009;75(4):392-5.
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2009: Madgula Vamsi L M; Ali Zulfiqar; Smillie Troy; Khan Ikhlas A; Walker Larry A; Khan Shabana I
Alkaloids and saponins as cytochrome P450 inhibitors from blue cohosh (Caulophyllum thalictroides) in an in vitro assay.
Planta medica 2009;75(4):329-32.
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2009: Avula Bharathi; Wang Yan-Hong; Smillie Troy J; Khan Ikhlas A
Quantitative determination of triterpenoids and formononetin in rhizomes of black cohosh (Actaea racemosa) and dietary supplements by using UPLC-UV/ELS detection and identification by UPLC-MS.
Planta medica 2009;75(4):381-6.
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2009: Ma Guoyi; Tabanca Nurhayat; Husnu Can Baser K; Kirimer Nese; Pasco David S; Khan Ikhlas A; Khan Shabana I
Inhibition of NF-kappaB-mediated transcription and induction of apoptosis in human breast cancer cells by epoxypseudoisoeugenol-2-methyl butyrate.
Cancer chemotherapy and pharmacology 2009;63(4):673-80.
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2008: Zhao Jianping; Dasmahapatra Asok K; Khan Shabana I; Khan Ikhlas A
Anti-aromatase activity of the constituents from damiana (Turnera diffusa).
Journal of ethnopharmacology 2008;120(3):387-93.
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2008: Gao Zengping; Ali Zulfiqar; Khan Ikhlas A
Glycerogalactolipids from the fruit of Lycium barbarum.
Phytochemistry 2008;69(16):2856-61.
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2008: Avula Bharathi; Wang Yan-Hong; Pawar Rahul S; Shukla Yatin J; Smillie Troy J; Khan Ikhlas A
A rapid method for chemical fingerprint analysis of Hoodia species, related genera, and dietary supplements using UPLC-UV-MS.
Journal of pharmaceutical and biomedical analysis 2008;48(3):722-31.
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2008: ElSohly Mahmoud A; Gul Waseem; Avula Bharathi; Murphy Timothy P; Khan Ikhlas A
Simultaneous analysis of thirty-five benzodiazepines in urine using liquid chromatography-mass spectrometry-time of flight.
Journal of analytical toxicology 2008;32(8):547-61.
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2008: Moein Mahmood R; Khan Shabana I; Ali Zulfiqar; Ayatollahi Syed A; Kobarfard Farzad; Nasim Shama; Choudhary Muhammad I; Khan Ikhlas A
Flavonoids from Iris songarica and their antioxidant and estrogenic activity.
Planta medica 2008;74(12):1492-5.
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2008: Fu Xiang; Li Xing-Cong; Smillie Troy J; Carvalho Paulo; Mabusela Wilfred; Syce James; Johnson Quinton; Folk William; Avery Mitchell A; Khan Ikhlas A
Cycloartane glycosides from Sutherlandia frutescens.
Journal of natural products 2008;71(10):1749-53.
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2008: Radwan Mohamed M; Elsohly Mahmoud A; Slade Desmond; Ahmed Safwat A; Wilson Lisa; El-Alfy Abir T; Khan Ikhlas A; Ross Samir A
Non-cannabinoid constituents from a high potency Cannabis sativa variety.
Phytochemistry 2008;69(14):2627-33.
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2008: Hu Yuhui; Khan Ikhlas A; Dasmahapatra Asok K
Disruption of circulation by ethanol promotes fetal alcohol spectrum disorder (FASD) in medaka (Oryzias latipes) embryogenesis.
Comparative biochemistry and physiology. Toxicology & pharmacology : CBP 2008;148(3):273-80.
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2008: Agnihotri Vijai K; Elsohly Hala N; Smillie Troy J; Khan Ikhlas A; Walker Larry A
New labdane diterpenes from Leonurus cardiaca.
Planta medica 2008;74(10):1288-90.
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2008: Avula Bharathi; Wang Yan-Hong; Pawar Rahul S; Shukla Yatin J; Smillie Troy J; Khan Ikhlas A
Identification and structural characterization of steroidal glycosides in Hoodia gordonii by ion-trap tandem mass spectrometry and liquid chromatography coupled with electrospray ionization time-of-flight mass spectrometry.
Rapid communications in mass spectrometry : RCM 2008;22(16):2587-96.
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2008: Wang Yan-Hong; Avula Bharathi; Jadhav Atul N; Smillie Troy J; Khan Ikhlas A
Structural characterization and identification of ecdysteroids from Sida rhombifolia L. in positive electrospray ionization by tandem mass spectrometry.
Rapid communications in mass spectrometry : RCM 2008;22(16):2413-22.
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2008: Liu Yi; Ali Zulfiqar; Khan Ikhlas A
Cucurbitane-type triterpene glycosides from the fruits of Momordica charantia.
Planta medica 2008;74(10):1291-4.
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2008: Madgula Vamsi L M; Avula Bharathi; Pawar Rahul S; Shukla Yatin J; Khan Ikhlas A; Walker Larry A; Khan Shabana I
In vitro metabolic stability and intestinal transport of P57AS3 (P57) from Hoodia gordonii and its interaction with drug metabolizing enzymes.
Planta medica 2008;74(10):1269-75.
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2008: Laird Ashley R; Ramchandani Nina; deGoma Emil M; Avula Bharathi; Khan Ikhlas A; Gesundheit Neil
Acute hepatitis associated with the use of an herbal supplement (Polygonum multiflorum) mimicking iron-overload syndrome.
Journal of clinical gastroenterology 2008;42(7):861-2.
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2008: Agnihotri Vijai K; Elsohly Hala N; Khan Shabana I; Smillie Troy J; Khan Ikhlas A; Walker Larry A
Antioxidant constituents of Nymphaea caerulea flowers.
Phytochemistry 2008;69(10):2061-6.
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2008: Dayan Franck E; Ferreira Daneel; Wang Yan-Hong; Khan Ikhlas A; McInroy John A; Pan Zhiqiang
A pathogenic fungi diphenyl ether phytotoxin targets plant enoyl (acyl carrier protein) reductase.
Plant physiology 2008;147(3):1062-71.
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2008: Ali Zulfiqar; Ferreira Daneel; Carvalho Paulo; Avery Mitchell A; Khan Ikhlas A
Nigellidine-4-O-sulfite, the first sulfated indazole-type alkaloid from the seeds of Nigella sativa.
Journal of natural products 2008;71(6):1111-2.
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2008: Nanayakkara N P Dhammika; Ager Arba L; Bartlett Marilyn S; Yardley Vanessa; Croft Simon L; Khan Ikhlas A; McChesney James D; Walker Larry A
Antiparasitic activities and toxicities of individual enantiomers of the 8-aminoquinoline 8-[(4-amino-1-methylbutyl)amino]-6-methoxy-4-methyl-5-[3,4-dichlorophenoxy]quinoline succinate.
Antimicrobial agents and chemotherapy 2008;52(6):2130-7.
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2008: Rumalla Chidananda Swamy; Jadhav Atul N; Smillie Troy; Fronczek Frank R; Khan Ikhlas A
Alkaloids from Heimia salicifolia.
Phytochemistry 2008;69(8):1756-62.
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2008: Madgula Vamsi L M; Avula Bharathi; Choi Young W; Pullela Srinivas V; Khan Ikhlas A; Walker Larry A; Khan Shabana I
Transport of Schisandra chinensis extract and its biologically-active constituents across Caco-2 cell monolayers - an in-vitro model of intestinal transport.
The Journal of pharmacy and pharmacology 2008;60(3):363-70.
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2008: Moein Mahmood Reza; Pawar Rahul S; Khan Shabana I; Tekwani Babu L; Khan Ikhlas A
Antileishmanial, antiplasmodial and cytotoxic activities of 12,16-dideoxy aegyptinone B from Zhumeria majdae Rech.f. & Wendelbo.
Phytotherapy research : PTR 2008;22(3):283-5.
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2008: Wang Yan-Hong; Avula Bharathi; Liu Yi; Khan Ikhlas A
Determination and quantitation of five cucurbitane triterpenoids in Momordica charantia by reversed-phase high-performance liquid chromatography with evaporative light scattering detection.
Journal of chromatographic science 2008;46(2):133-6.
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2008: Ali Zulfiqar; Fronczek Frank R; Khan Ikhlas A
Phenylalkanoids and monoterpene analogues from the roots of Rhodiola rosea.
Planta medica 2008;74(2):178-81.
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2008: Ali Zulfiqar; Khan Ikhlas A
Alkaloids and saponins from blue cohosh.
Phytochemistry 2008;69(4):1037-42.
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2008: Bharate Sandip B; Khan Shabana I; Tekwani Babu L; Jacob Melissa; Khan Ikhlas A; Singh Inder Pal
S-Euglobals: biomimetic synthesis, antileishmanial, antimalarial, and antimicrobial activities.
Bioorganic & medicinal chemistry 2008;16(3):1328-36.
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2008: Joshi Vaishali C; Avula Bharathi; Khan Ikhlas A
Authentication of Stephania tetrandra S. Moore (Fang Ji) and differentiation of its common adulterants using microscopy and HPLC analysis.
Journal of natural medicines 2008;62(1):117-21.
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2008: Avula B; Begum S; Ahmed S; Choudhary M I; Khan I A
Quantitative determination of vasicine and vasicinone in Adhatoda vasica by high performance capillary electrophoresis.
Die Pharmazie 2008;63(1):20-2.
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2008: Wu Minghui; Chaudhary Amit; Khan Ikhlas A; Dasmahapatra Asok K
Ethanol teratogenesis in Japanese medaka: effects at the cellular level.
Comparative biochemistry and physiology. Part B, Biochemistry & molecular biology 2008;149(1):191-201.
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2007: Avula Bharathi; Joshi Vaishali C; Wang Yan-Hong; Khan Ikhlas A
Simultaneous identification and quantification of anthraquinones, polydatin, and resveratrol in Polygonum multiflorum, various Polygonum species, and dietary supplements by liquid chromatography and microscopic study of Polygonum species.
Journal of AOAC International 2007;90(6):1532-8.
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2007: Avula Bharathi; Wang Yan-Hong; Pawar Rahul S; Shukla Yatin J; Khan Ikhlas A
Chemical fingerprinting of Hoodia species and related genera: chemical analysis of oxypregnane glycosides using high-performance liquid chromatography with UV detection in Hoodia gordonii.
Journal of AOAC International 2007;90(6):1526-31.
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2007: Avula Bharathi; Joshi Vaishali C; Reddy V L Niranjan; Choi Young-Whan; Khan Ikhlas A
Simultaneous determination of eight coumarins in Angelica gigas and in various other Angelica species by high performance liquid chromatography and comparative micro-morphology study of Angelica species.
Planta medica 2007;73(14):1509-16.
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2007: Pawar Rahul S; Shukla Yatin J; Khan Ikhlas A
New calogenin glycosides from Hoodia gordonii.
Steroids 2007;72(13):881-91.
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2007: ElSohly Mahmoud A; Gul Waseem; Murphy Timothy P; Avula Bharathi; Khan Ikhlas A
LC-(TOF) MS analysis of benzodiazepines in urine from alleged victims of drug-facilitated sexual assault.
Journal of analytical toxicology 2007;31(8):505-14.
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2007: Jadhav Atul N; Pawar Rahul S; Avula Bharathi; Khan Ikhlas A
Ecdysteroid glycosides from Sida rhombifolia L.
Chemistry & biodiversity 2007;4(9):2225-30.
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2007: Avula B; Dentali S; Khan I A
Simultaneous identification and quantification by liquid chromatography of benzethonium chloride, methyl paraben and triclosan in commercial products labeled as grapefruit seed extract.
Die Pharmazie 2007;62(8):593-6.
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2007: Tabanca Nurhayat; Pawar Rahul S; Ferreira Daneel; Marais Jannie P; Khan Shabana I; Joshi Vaishali; Wedge David E; Khan Ikhlas A
Flavan-3-ol-phenylpropanoid conjugates from Anemopaegma arvense and their antioxidant activities.
Planta medica 2007;73(10):1107-11.
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2007: Tabanca Nurhayat; Ma Guoyi; Pasco David S; Bedir Erdal; Kirimer Nese; Baser K Husnu Can; Khan Ikhlas A; Khan Shabana I
Effect of essential oils and isolated compounds from Pimpinella species on NF-kappaB: a target for antiinflammatory therapy.
Phytotherapy research : PTR 2007;21(8):741-5.
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2007: Ma Guoyi; Bavadekar Supriya A; Davis Yolande M; Lalchandani Shilpa G; Nagmani Rangaswamy; Schaneberg Brian T; Khan Ikhlas A; Feller Dennis R
Pharmacological effects of ephedrine alkaloids on human alpha(1)- and alpha(2)-adrenergic receptor subtypes.
The Journal of pharmacology and experimental therapeutics 2007;322(1):214-21.
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2007: Ali Zulfiqar; Khan Shabana I; Khan Ikhlas A
New cycloartane-type triterpene arabinosides from the roots of Actaea podocarpa and their biological study.
Planta medica 2007;73(7):699-703.
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2007: Pawar Rahul S; Shukla Yatin J; Khan Shabana I; Avula Bharathi; Khan Ikhlas A
New oxypregnane glycosides from appetite suppressant herbal supplement Hoodia gordonii.
Steroids 2007;72(6-7):524-34.
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2007: Ma Guoyi; Khan Shabana I; Benavides Gloria; Schühly Wolfgang; Fischer Nikolaus H; Khan Ikhlas A; Pasco David S
Inhibition of NF-kappaB-mediated transcription and induction of apoptosis by melampolides and repandolides.
Cancer chemotherapy and pharmacology 2007;60(1):35-43.
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2007: Avula Bharathi; Upparapalli Sampath K; Khan Ikhlas A
Simultaneous analysis of adrenergic amines and flavonoids in citrus peel jams and fruit juices by liquid chromatography: part 2.
Journal of AOAC International 2007;90(3):633-40.
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2007: Herath Wimal; Ferreira Daneel; Khan Ikhlas A
Microbial metabolism. Part 7 : Curcumin.
Natural product research 2007;21(5):444-50.
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2007: Karamenderes Canan; Konyalioglu Sibel; Khan Shabana; Khan Ikhlas A
Total phenolic contents, free radical scavenging activities and inhibitory effects on the activation of NF-kappa B of eight Centaurea L. species.
Phytotherapy research : PTR 2007;21(5):488-91.
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2007: Pawar Rahul S; Khan Shabana I; Khan Ikhlas A
Glycosides of 20-deoxy derivatives of jujubogenin and pseudojujubogenin from Bacopa monniera.
Planta medica 2007;73(4):380-3.
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2007: Madgula Vamsi L; Avula Bharathi; Reddy V L Niranjan; Khan Ikhlas A; Khan Shabana I
Transport of decursin and decursinol angelate across Caco-2 and MDR-MDCK cell monolayers: in vitro models for intestinal and blood-brain barrier permeability.
Planta medica 2007;73(4):330-5.
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2007: Wang Xueqing; Zhu Shiqian; Khan Ikhlas A; Dasmahapatra Asok K
Ethanol attenuates Aldh9 mRNA expression in Japanese medaka (Oryzias latipes) embryogenesis.
Comparative biochemistry and physiology. Part B, Biochemistry & molecular biology 2007;146(3):357-63.
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2007: Ji Xiuhong; Avula Bharathi; Khan Ikhlas A
Quantitative and qualitative determination of six xanthones in Garcinia mangostana L. by LC-PDA and LC-ESI-MS.
Journal of pharmaceutical and biomedical analysis 2007;43(4):1270-6.
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2007: Karamenderes Canan; Bedir Erdal; Pawar Rahul; Baykan Sura; Khan Ikhlas A
Elemanolide sesquiterpenes and eudesmane sesquiterpene glycosides from Centaurea hierapolitana.
Phytochemistry 2007;68(5):609-15.
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2007: Zhao Jianping; Pawar Rahul S; Ali Zulfiqar; Khan Ikhlas A
Phytochemical investigation of Turnera diffusa.
Journal of natural products 2007;70(2):289-92.
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2007: Ali Zulfiqar; Khan Shabana I; Fronczek Frank R; Khan Ikhlas A
9,10-seco-9,19-Cyclolanostane arabinosides from the roots of Actaea podocarpa.
Phytochemistry 2007;68(3):373-82.
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2007: Elsohly Mahmoud A; Gul Waseem; Avula Bharathi; Khan Ikhlas A
Determination of the anthraquinones aloe-emodin and aloin-A by liquid chromatography with mass spectrometric and diode array detection.
Journal of AOAC International 2007;90(1):28-42.
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2007: Ali Zulfiqar; Khan Shabana I; Pawar Rahul S; Ferreira Daneel; Khan Ikhlas A
9,19-cyclolanostane derivatives from the roots of Actaea pachypoda.
Journal of natural products 2007;70(1):107-10.
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2007: Bharate Sandip B; Khan Shabana I; Yunus Nafees A M; Chauthe Siddheshwar K; Jacob Melissa R; Tekwani Babu L; Khan Ikhlas A; Singh Inder Pal
Antiprotozoal and antimicrobial activities of O-alkylated and formylated acylphloroglucinols.
Bioorganic & medicinal chemistry 2007;15(1):87-96.
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2006: Pullela Srinivas V; Tiwari Ashok K; Vanka UmaMaheswara S; Vummenthula Anuradha; Tatipaka Hari B; Dasari Krishna R; Khan Ikhlas A; Janaswamy Madhusudana R
HPLC assisted chemobiological standardization of alpha-glucosidase-I enzyme inhibitory constituents from Piper longum Linn-An Indian medicinal plant.
Journal of ethnopharmacology 2006;108(3):445-9.
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2006: Ali Zulfiqar; Khan Shabana I; Ferreira Daneel; Khan Ikhlas A
Podocarpaside, a triterpenoid possessing a new backbone from Actaea podocarpa.
Organic letters 2006;8(24):5529-32.
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2006: Ali Zulfiqar; Khan Shabana I; Khan Ikhlas A
Phytochemical study of actaea rubra and biological screenings of isolates.
Planta medica 2006;72(14):1350-2.
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2006: ElSohly Mahmoud A; Gul Waseem; ElSohly Kareem M; Avula Bharathi; Khan Ikhlas A
LC-MS-(TOF) analysis method for benzodiazepines in urine samples from alleged drug-facilitated sexual assault victims.
Journal of analytical toxicology 2006;30(8):524-38.
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2006: Samoylenko Volodymyr; Zhao Jianping; Dunbar D Chuck; Khan Ikhlas A; Rushing James W; Muhammad Ilias
New constituents from noni (Morinda citrifolia) fruit juice.
Journal of agricultural and food chemistry 2006;54(17):6398-402.
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2006: Avula B; Navarrete A; Joshi V C; Khan I A
Quantification of parthenolide in Tanacetum species by LC-UV/LC-MS and microscopic comparison of Mexican/US feverfew samples.
Die Pharmazie 2006;61(7):590-4.
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2006: Cushman Kent E; Moraes Rita M; Gerard Patrick D; Bedir Ebru; Silva Bladimiro; Khan Ikhlas A
Frequency and timing of leaf removal affect growth and podophyllotoxin content of Podophyllum peltatum in full sun.
Planta medica 2006;72(9):824-9.
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2006: Tabanca Nurhayat; Demirci Betul; Ozek Temel; Kirimer Nese; Baser K Husnu Can; Bedir Erdal; Khan Ikhlas A; Wedge David E
Gas chromatographic-mass spectrometric analysis of essential oils from Pimpinella species gathered from Central and Northern Turkey.
Journal of chromatography. A 2006;1117(2):194-205.
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2006: Avula Bharathi; Wang Yan-Hong; Pawar Rahul S; Shukla Yatin J; Schaneberg Brian; Khan Ikhlas A
Determination of the appetite suppressant P57 in Hoodia gordonii plant extracts and dietary supplements by liquid chromatography/electrospray ionization mass spectrometry (LC-MSD-TOF) and LC-UV methods.
Journal of AOAC International 2006;89(3):606-11.
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2006: Choi Young-Whan; Takamatsu Satoshi; Khan Shabana I; Srinivas Pullela V; Ferreira Daneel; Zhao Jianping; Khan Ikhlas A
Schisandrene, a dibenzocyclooctadiene lignan from Schisandra chinensis: structure-antioxidant activity relationships of dibenzocyclooctadiene lignans.
Journal of natural products 2006;69(3):356-9.
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2006: Khan Ikhlas A
Issues related to botanicals.
Life sciences 2006;78(18):2033-8.
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2006: Bharate Sandip B; Bhutani Kamlesh K; Khan Shabana I; Tekwani Babu L; Jacob Melissa R; Khan Ikhlas A; Singh Inder Pal
Biomimetic synthesis, antimicrobial, antileishmanial and antimalarial activities of euglobals and their analogues.
Bioorganic & medicinal chemistry 2006;14(6):1750-60.
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2006: Techen Natascha; Khan Ikhlas A; Pan Zhiqiang; Scheffler Brian E
The use of polymerase chain reaction (PCR) for the identification of ephedra DNA in dietary supplements.
Planta medica 2006;72(3):241-7.
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2006: Tatsimo Simplice Joel Ndendoung; Tane Pierre; Melissa Jacob; Sondengam Beibam L; Okunji Christopher O; Schuster Brian M; Iwu Maurice M; Khan Ikhlas A
Antimicrobial principle from Aframomum longifolius.
Planta medica 2006;72(2):132-5.
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2006: Greenblatt David J; von Moltke Lisa L; Luo Yan; Perloff Elke S; Horan Kelly A; Bruce Allison; Reynolds Robyn C; Harmatz Jerold S; Avula Bharathi; Khan Ikhlas A; Goldman Peter
Ginkgo biloba does not alter clearance of flurbiprofen, a cytochrome P450-2C9 substrate.
Journal of clinical pharmacology 2006;46(2):214-21.
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2006: Navarrete Andres; Avula Bharathi; Choi Young-Whan; Khan Ikhlas A
Chemical fingerprinting of valeriana species: simultaneous determination of valerenic acids, flavonoids, and phenylpropanoids using liquid chromatography with ultraviolet detection.
Journal of AOAC International 2006;89(1):8-15.
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2006: Navarrete Andres; Avula Bharathi; Joshi Vaishali C; Ji Xiuhong; Hersh Paul; Khan Ikhlas A
Quantitative determination of triterpenes from Amphiptherygium adstringens by liquid chromatography and thin-layer chromatography and morphological analysis of cuachalalate preparations.
Journal of AOAC International 2006;89(1):1-7.
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2005: Tatsimo Simplice Joel; Tane Pierre; Srinivas Pullela V; Sondengam Beibam L; Melissa Jacob; Okunji Christopher O; Schuster Brian M; Iwu Maurice M; Khan Ikhlas A
Novel antimicrobial diterpenoids from Turraeanthus africanus.
Planta medica 2005;71(12):1145-51.
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2005: Tabanca Nurhayat; Demirci Betul; Kirimer Nese; Baser K Husnu Can; Bedir Erdal; Khan Ikhlas A; Wedge David E
Gas chromatographic-mass spectrometric analysis of essential oils from Pimpinella aurea, Pimpinella corymbosa, Pimpinella peregrina and Pimpinella puberula gathered from Eastern and Southern Turkey.
Journal of chromatography. A 2005;1097(1-2):192-8.
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2005: Joshi Vaishali C; Navarrete Andres; Khan Ikhlas A
Authentication of Valeriana procera Kunth and comparative account of five Valeriana species.
Journal of AOAC International 2005;88(6):1621-5.
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2005: Avula Bharathi; Upparapalli Sampath Kumar; Navarrete Andres; Khan Ikhlas A
Simultaneous quantification of adrenergic amines and flavonoids in C. aurantium, various Citrus species, and dietary supplements by liquid chromatography.
Journal of AOAC International 2005;88(6):1593-606.
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2005: Crockett Sara L; Schaneberg Brian; Khan Ikhlas A
Phytochemical profiling of New and Old World Hypericum (St. John's Wort) species.
Phytochemical analysis : PCA 2005;16(6):479-85.
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2005: Sampson Blair J; Tabanca Nurhayat; Kirimer Nes'e; Demirci Betul; Baser K Husnu Can; Khan Ikhlas A; Spiers James M; Wedge David E
Insecticidal activity of 23 essential oils and their major compounds against adult Lipaphis pseudobrassicae (Davis) (Aphididae: Homoptera).
Pest management science 2005;61(11):1122-8.
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2005: Pullela Srinivas V; Choi Young Whan; Khan Shabana I; Khan Ikhlas A
New acylated clionasterol glycosides from Valeriana officinalis.
Planta medica 2005;71(10):960-1.
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2005: Ji Xiuhong; Khan Ikhlas A
Quantitative determination of usnic acid in Usnea lichen and its products by reversed-phase liquid chromatography with photodiode array detector.
Journal of AOAC International 2005;88(5):1265-8.
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2005: Pullela Srinivas V; Takamatsu Satoshi; Khan Shabana I; Khan Ikhlas A
Isolation of lignans and biological activity studies of Ephedra viridis.
Planta medica 2005;71(8):789-91.
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2005: Calis Ihsan; Bedir Erdal; Kirmizibekmez Hasan; Ersöz Tayfun; Dönmez Ali A; Khan Ikhlas A
Secondary metabolites from Phlomis oppositiflora.
Natural product research 2005;19(5):493-501.
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2005: Joshi Vaishali C; Srinivas Pullela V; Khan Ikhlas A
Rapid and easy identification of Illicium verum Hook. f. and its adulterant Illicium anisatum Linn. by fluorescent microscopy and gas chromatography.
Journal of AOAC International 2005;88(3):703-6.
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2005: Wei Feng; Cheng Xian-Long; Ma Lin-Yun; Jin Wen-Tao; Schaneberg Brian T; Khan Ikhlas A; Lin Rui-Chao
Analysis of aristolochic acids and analogues in medicinal plants and their commercial products by HPLC-PAD-ESI/MS.
Phytochemical analysis : PCA 2005;16(3):222-30.
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2005: Ugalde Martha; Reza Victoria; González-Trujano Ma Eva; Avula Bharathi; Khan Ikhlas A; Navarrete Andrés
Isobolographic analysis of the sedative interaction between six central nervous system depressant drugs and Valeriana edulis hydroalcoholic extract in mice.
The Journal of pharmacy and pharmacology 2005;57(5):631-9.
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2005: Gurley Bill J; Gardner Stephanie F; Hubbard Martha A; Williams D Keith; Gentry W Brooks; Khan Ikhlas A; Shah Amit
In vivo effects of goldenseal, kava kava, black cohosh, and valerian on human cytochrome P450 1A2, 2D6, 2E1, and 3A4/5 phenotypes.
Clinical pharmacology and therapeutics 2005;77(5):415-26.
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2005: Balachandran Premalatha; Wei Feng; Lin Rui-chao; Khan Ikhlas A; Pasco David S
Structure activity relationships of aristolochic acid analogues: toxicity in cultured renal epithelial cells.
Kidney international 2005;67(5):1797-805.
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2005: Mustafa Jamal; Khan Shabana I; Ma Guoyi; Walker Larry A; Khan Ikhlas A
Synthesis and in vitro cytotoxic activity of N-, F-, and S-ether derivatives of podophyllotoxin fatty acid adducts.
Lipids 2005;40(4):375-82.
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2005: Ma Guoyi; Khan Shabana I; Mustafa Jamal; Walker Larry A; Khan Ikhlas A
Anticancer activity and possible mode of action of 4-O-podophyllotoxinyl 12-hydroxyl-octadec-Z-9-enoate.
Lipids 2005;40(3):303-8.
-
2005: Tabanca Nurhayat; Bedir Erdal; Ferreira Daneel; Slade Desmond; Wedge David E; Jacob Melissa R; Khan Shabana I; Kirimer Nese; Baser K Husnu Can; Khan Ikhlas A
Bioactive constituents from Turkish Pimpinella species.
Chemistry & biodiversity 2005;2(2):221-32.
-
2005: Zhao Jianping; Muhammad Ilias; Dunbar D Chuck; Mustafa Jamal; Khan Ikhlas A
New alkamides from maca (Lepidium meyenii).
Journal of agricultural and food chemistry 2005;53(3):690-3.
-
2004: Yesilada Erdem; Gürbüz Ilhan; Bedir Erdal; Tatli Irem; Khan Ikhlas A
Isolation of anti-ulcerogenic sesquiterpene lactones from Centaurea solstitialis L. ssp. solstitialis through bioassay-guided fractionation procedures in rats.
Journal of ethnopharmacology 2004;95(2-3):213-9.
-
2004: Schaneberg B T; Khan I A
Quantitative and qualitative HPLC analysis of thermogenic weight loss products.
Die Pharmazie 2004;59(11):819-23.
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2004: Gurley Bill J; Gardner Stephanie F; Hubbard Martha A; Williams D Keith; Gentry W Brooks; Carrier Julie; Khan Ikhlas A; Edwards David J; Shah Amit
In vivo assessment of botanical supplementation on human cytochrome P450 phenotypes: Citrus aurantium, Echinacea purpurea, milk thistle, and saw palmetto.
Clinical pharmacology and therapeutics 2004;76(5):428-40.
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2004: Ma Guoyi; Khan Shabana I; Jacob Melissa R; Tekwani Babu L; Li Zuqiang; Pasco David S; Walker Larry A; Khan Ikhlas A
Antimicrobial and antileishmanial activities of hypocrellins A and B.
Antimicrobial agents and chemotherapy 2004;48(11):4450-2.
-
2004: Ma Yuzhong; Sachdeva Karuna; Liu Jirong; Ford Michael; Yang Dongfang; Khan Ikhlas A; Chichester Clinton O; Yan Bingfang
Desmethoxyyangonin and dihydromethysticin are two major pharmacological kavalactones with marked activity on the induction of CYP3A23.
Drug metabolism and disposition: the biological fate of chemicals 2004;32(11):1317-24.
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2004: Crockett Sara L; Douglas Andrew W; Scheffler Brian E; Khan Ikhlas A
Genetic profiling of Hypericum (St. John's Wort) species by nuclear ribosomal ITS sequence analysis.
Planta medica 2004;70(10):929-35.
-
2004: Schaneberg B T; Khan I A
Analysis of products suspected of containing Aristolochia or Asarum species.
Journal of ethnopharmacology 2004;94(2-3):245-9.
-
2004: Ganzera Markus; Stuppner Hermann; Khan Ikhlas A
Simultaneous determination of saponins and isoflavones in soybean (Glycine max L.) by reversed-phase liquid chromatography with evaporative light-scattering and ultraviolet detection.
Journal of AOAC International 2004;87(5):1189-94.
-
2004: Abou-Gazar Hassan; Bedir Erdal; Takamatsu Satoshi; Ferreira Daneel; Khan Ikhlas A
Antioxidant lignans from Larrea tridentata.
Phytochemistry 2004;65(17):2499-505.
-
2004: Akgul Yurdanur; Ferreira Daneel; Abourashed Ehab A; Khan Ikhlas A
Lotaustralin from Rhodiola rosea roots.
Fitoterapia 2004;75(6):612-4.
-
2004: Tabanca Nurhayat; Khan Shabana I; Bedir Erdal; Annavarapu Srinivas; Willett Kristine; Khan Ikhlas A; Kirimer Nese; Baser K Husnu Can
Estrogenic activity of isolated compounds and essential oils of Pimpinella species from Turkey, evaluated using a recombinant yeast screen.
Planta medica 2004;70(8):728-35.
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2004: Avula Bharathi; Ganzera Markus; Warnick Jason E; Feltenstein Matthew W; Sufka Kenneth J; Khan Ikhlas A
High-performance liquid chromatographic determination of xanthohumol in rat plasma, urine, and fecal samples.
Journal of chromatographic science 2004;42(7):378-82.
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2004: von Moltke Lisa L; Weemhoff James L; Bedir Erdal; Khan Ikhlas A; Harmatz Jerold S; Goldman Peter; Greenblatt David J
Inhibition of human cytochromes P450 by components of Ginkgo biloba.
The Journal of pharmacy and pharmacology 2004;56(8):1039-44.
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2004: Mustafa Jamal; Khan Shabana I; Ma Guoyi; Walker Larry A; Khan Ikhlas A
Synthesis, spectroscopic, and biological studies of novel estolides derived from anticancer active 4-O-podophyllotoxinyl 12-hydroxyl-octadec-Z-9-enoate.
Lipids 2004;39(7):659-66.
-
2004: Techen N; Crockett S L; Khan I A; Scheffler B E
Authentication of medicinal plants using molecular biology techniques to compliment conventional methods.
Current medicinal chemistry 2004;11(11):1391-401.
-
2004: Li Xing-Cong; Ferreira Daneel; Jacob Melissa R; Zhang Qifeng; Khan Shabana I; ElSohly Hala N; Nagle Dale G; Smillie Troy J; Khan Ikhlas A; Walker Larry A; Clark Alice M
Antifungal cyclopentenediones from Piper coruscans.
Journal of the American Chemical Society 2004;126(22):6872-3.
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2004: Muhammad Ilias; Bedir Erdal; Khan Shabana I; Tekwani Babu L; Khan Ikhlas A; Takamatsu Satoshi; Pelletier Jerry; Walker Larry A
A new antimalarial quassinoid from Simaba orinocensis.
Journal of natural products 2004;67(5):772-7.
-
2004: Wei Feng; Ma Shuang-Cheng; Ma Lin-Yun; But Paul Pui-Hay; Lin Rui-Chao; Khan Ikhlas A
Antiviral flavonoids from the seeds of Aesculus chinensis.
Journal of natural products 2004;67(4):650-3.
-
2004: Mustafa Jamal; Khan Shabana I; Ma Guoyi; Walker Larry A; Khan Ikhlas A
Synthesis and anticancer activities of fatty acid analogs of podophyllotoxin.
Lipids 2004;39(2):167-72.
-
2004: Schaneberg Brian T; Molyneux Russell J; Khan Ikhlas A
Evaporative light scattering detection of pyrrolizidine alkaloids.
Phytochemical analysis : PCA 2004;15(1):36-9.
-
2004: Tellez Mari R; Khan Ikhlas A; Schaneberg Brian T; Crockett Sara L; Rimando Agnes M; Kobaisy Mozaina
Steam distillation-solid-phase microextraction for the detection of Ephedra sinica in herbal preparations.
Journal of chromatography. A 2004;1025(1):51-6.
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2003: Salah Martin A; Bedir Erdal; Toyang Ngeh J; Khan Ikhlas A; Harries M Dewayne; Wedge David E
Antifungal clerodane diterpenes from Macaranga monandra (L) Muell. et Arg. (Euphorbiaceae).
Journal of agricultural and food chemistry 2003;51(26):7607-10.
-
2003: Khan Shabana I; Abourashed Ehab A; Khan Ikhlas A; Walker Larry A
Transport of parthenolide across human intestinal cells (Caco-2).
Planta medica 2003;69(11):1009-12.
-
2003: Tabanca Nurhayat; Bedir Erdal; Kirimer Nese; Baser K Husnu Can; Khan Shabana I; Jacob Melissa R; Khan Ikhlas A
Antimicrobial compounds from Pimpinella species growing in Turkey.
Planta medica 2003;69(10):933-8.
-
2003: Garrett Kennon M; Basmadjian Garo; Khan Ikhlas A; Schaneberg Brian T; Seale Thomas W
Extracts of kava (Piper methysticum) induce acute anxiolytic-like behavioral changes in mice.
Psychopharmacology 2003;170(1):33-41.
-
2003: Abougazar Hasan; Bedir Erdal; Khan Ikhlas A; Calis Ihsan
Wiedemanniosides A-E: new phenylethanoid glycosides from the roots of Verbascum wiedemannianum.
Planta medica 2003;69(9):814-9.
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2003: Ngwendson J Ngunde; Bedir E; Efange S M N; Okunji C O; Iwu M M; Schuster B G; Khan I A
Constituents of Peucedanum zenkeri seeds and their antimicrobial effects.
Die Pharmazie 2003;58(8):587-9.
-
2003: Abourashed Ehab A; El-Alfy Abir T; Khan Ikhlas A; Walker Larry
Ephedra in perspective--a current review.
Phytotherapy research : PTR 2003;17(7):703-12.
-
2003: Bedir Erdal; Manyam Rangavalli; Khan Ikhlas A
Neo-clerodane diterpenoids and phenylethanoid glycosides from Teucrium chamaedrys L.
Phytochemistry 2003;63(8):977-83.
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2003: Herath W H M W; Ferreira D; Khan I A
Microbial transformation of the phthalideisoquinoline alkaloid, (-)-beta-hydrastine.
Natural product research 2003;17(4):269-74.
-
2003: Avula B; Manyam R B; Bedir E; Khan I A
HPLC analysis of neo-clerodane diterpenoids from Teucrium chamaedrys.
Die Pharmazie 2003;58(7):494-6.
-
2003: Schaneberg B T; Mikell J R; Bedir E; Khan I A
An improved HPLC method for quantitative determination of six triterpenes in Centella asiatica extracts and commercial products.
Die Pharmazie 2003;58(6):381-4.
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2003: Abourashed Ehab A; Ganzera Markus; Khan Ikhlas A; Khan Shabana; Mossa Jaber S; El-Feraly Farouk S
HPLC fingerprinting and estimation of the bioactive components of Clutia richardiana L. as a potential hypoglycemic herbal tea.
Phytotherapy research : PTR 2003;17(6):657-60.
-
2003: Schaneberg Brian T; Khan Ikhlas A
Quantitative analysis of forskolin in Coleus forskohlii (Lamiaceae) by reversed-phase liquid chromatography.
Journal of AOAC International 2003;86(3):467-70.
-
2003: Feltenstein Matthew W; Lambdin L Corinne; Webb Heather E; Warnick Jason E; Khan Shabana I; Khan Ikhlas A; Acevedo Edmund O; Sufka Kenneth J
Corticosterone response in the chick separation-stress paradigm.
Physiology & behavior 2003;78(3):489-93.
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2003: Feltenstein Matt W; Lambdin L Corinne; Ganzera M; Ranjith H; Dharmaratne W; Nanayakkara N P Dhammika; Khan Ikhlas A; Sufka Kenneth J
Anxiolytic properties of Piper methysticum extract samples and fractions in the chick social-separation-stress procedure.
Phytotherapy research : PTR 2003;17(3):210-6.
-
2003: Herath Wimal H M W; Ferreira Daneel; Khan Ikhlas A
Microbial transformation of xanthohumol.
Phytochemistry 2003;62(5):673-7.
-
2003: Schaneberg Brian T; Crockett Sara; Bedir Erdal; Khan Ikhlas A
The role of chemical fingerprinting: application to Ephedra.
Phytochemistry 2003;62(6):911-8.
-
2003: Ganzera M; Choudhary M I; Khan I A
Quantitative HPLC analysis of withanolides in Withania somnifera.
Fitoterapia 2003;74(1-2):68-76.
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2003: Ganzera M; Dharmaratne H R W; Nanayakkara N P D; Khan I A
Determination of saponins and alkaloids in Caulophyllum thalictroides (blue cohosh) by high-performance liquid chromatography and evaporative light scattering detection.
Phytochemical analysis : PCA 2003;14(1):1-7.
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2003: Bedir Ebru; Lata Hemant; Schaneberg Brian; Khan Ikhlas A; Moraes Rita M
Micropropagation of Hydrastis canadensis: Goldenseal a North American endangered species.
Planta medica 2003;69(1):86-8.
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2003: Zhang Luling; Khan Ikhlas A; Willett Kristine L; Foran Christy M
In vivo effects of black cohosh and genistein on estrogenic activity and lipid peroxidation in Japanese Medaka (Oryzias latipes).
Journal of herbal pharmacotherapy 2003;3(3):33-50.
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2003: Huggett D B; Khan I A; Foran C M; Schlenk D
Determination of beta-adrenergic receptor blocking pharmaceuticals in United States wastewater effluent.
Environmental pollution (Barking, Essex : 1987) 2003;121(2):199-205.
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2002: Li Xing-Cong; Joshi Alpana S; ElSohly Hala N; Khan Shabana I; Jacob Melissa R; Zhang Zhizheng; Khan Ikhlas A; Ferreira Daneel; Walker Larry A; Broedel Sheldon E; Raulli Robert E; Cihlar Ronald L
Fatty acid synthase inhibitors from plants: isolation, structure elucidation, and SAR studies.
Journal of natural products 2002;65(12):1909-14.
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2002: Haddad M; Khan I A; Lacaille-Dubois M A
Two new prosapogenins from Albizia adianthifolia.
Die Pharmazie 2002;57(10):705-8.
-
2002: Schaneberg B T; Applequist W L; Khan I A
Determination of aristolochic acid I and II in North American species of Asarum and Aristolochia.
Die Pharmazie 2002;57(10):686-9.
-
2002: Tellez Mario R; Khan Ikhlas A; Kobaisy Mozaina; Schrader Kevin K; Dayan Franck E; Osbrink Weste
Composition of the essential oil of Lepidium meyenii (Walp).
Phytochemistry 2002;61(2):149-55.
-
2002: Bedir E; Khan I A; Walker L A
Biologically active steroidal glycosides from Tribulus terrestris.
Die Pharmazie 2002;57(7):491-3.
-
2002: Dharmaratne H Ranjith; Nanayakkara N P; Khan Ikhlas A
(-)-3 beta,4 beta-epoxyvalerenic acid from Valeriana officinalis.
Planta medica 2002;68(7):661-2.
-
2002: Zhang Luling; Khan Ikhlas A; Foran Christy M
Characterization of the estrogenic response to genistein in Japanese medaka (Oryzias latipes).
Comparative biochemistry and physiology. Toxicology & pharmacology : CBP 2002;132(2):203-11.
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2002: Meazza Giovanni; Scheffler Brian E; Tellez Mario R; Rimando Agnes M; Romagni Joanne G; Duke Stephen O; Nanayakkara Dhammika; Khan Ikhlas A; Abourashed Ehab A; Dayan Franck E
The inhibitory activity of natural products on plant p-hydroxyphenylpyruvate dioxygenase.
Phytochemistry 2002;60(3):281-8.
-
2002: Bedir Erdal; Tatli Irem I; Khan Riaz A; Zhao Jianping; Takamatsu Satoshi; Walker Larry A; Goldman Peter; Khan Ikhlas A
Biologically active secondary metabolites from Ginkgo biloba.
Journal of agricultural and food chemistry 2002;50(11):3150-5.
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2002: Moraes Rita M; Bedir Ebru; Barrett Holly; Burandt Charles; Canel Camilo; Khan Ikhlas A
Evaluation of Podophyllum peltatum accessions for podophyllotoxin production.
Planta medica 2002;68(4):341-4.
-
2002: Mitaine-Offer Anne-Claire; Miyamoto Tomofumi; Khan Ikhlas A; Delaude Clément; Lacaille-Dubois Marie-Aleth
Three new triterpene saponins from two species of Carpolobia.
Journal of natural products 2002;65(4):553-7.
-
2002: Ganzera M; Zhao J; Khan I A
Hypericum perforatum--chemical profiling and quantitative results of St. John's Wort products by an improved high-performance liquid chromatography method.
Journal of pharmaceutical sciences 2002;91(3):623-30.
-
2002: Schaneberg Brian T; Khan Ikhlas A
Comparison of extraction methods for marker compounds in the essential oil of lemon grass by GC.
Journal of agricultural and food chemistry 2002;50(6):1345-9.
-
2002: Zhao Jianping; Muhammad Ilias; Dunbar D Chuck; Khan Ikhlas A; Fischer Nikolaus H; Fronczek Frank R
Three ginkgolide hydrates from Ginkgo biloba L.: ginkgolide A monohydrate, ginkgolide C sesquihydrate and ginkgolide J dihydrate, all determined at 120 K.
Acta crystallographica. Section C, Crystal structure communications 2002;58(Pt 3):o195-8.
-
2002: Dharmaratne H Ranjith W; Nanayakkara N P Dhammika; Khan Ikhlas A
Kavalactones from Piper methysticum, and their 13C NMR spectroscopic analyses.
Phytochemistry 2002;59(4):429-33.
-
2002: Muhammad Ilias; Zhao Jianping; Dunbar D Chuck; Khan Ikhlas A
Constituents of Lepidium meyenii 'maca'.
Phytochemistry 2002;59(1):105-10.
-
2001: Abourashed E A; Khan I A
GC determination of parthenolide in feverfew products.
Die Pharmazie 2001;56(12):971-2.
-
2001: Mikell J R; Ganzera M; Khan I A
Analysis of sesquiterpenes in Valeriana officinalis by capillary electrophoresis.
Die Pharmazie 2001;56(12):946-8.
-
2001: Ganzera M; Crockett S; Tellez M R; Khan I A
Determination of nepetalactone in Nepeta cataria by reversed phase high performance liquid chromatography.
Die Pharmazie 2001;56(11):896-7.
-
2001: Ganzera M; Bedir E; Khan I A
Determination of steroidal saponins in Tribulus terrestris by reversed-phase high-performance liquid chromatography and evaporative light scattering detection.
Journal of pharmaceutical sciences 2001;90(11):1752-8.
-
2001: Ganzera M; Khan I A
A reversed phase high performance liquid chromatography method for the analysis of boswellic acids in Boswellia serrata.
Planta medica 2001;67(8):778-80.
-
2001: Li X C; Barnes D L; Khan I A
A new lignan glycoside from Eleutherococcus senticosus.
Planta medica 2001;67(8):776-8.
-
2001: Bedir E; Tatli I I; Calis I; Khan I A
Trojanosides I-K: new cycloartane-type glycosides from the aerial parts of Astragalus trojanus.
Chemical & pharmaceutical bulletin 2001;49(11):1482-6.
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2001: Muhammad I; Li X C; Dunbar D C; ElSohly M A; Khan I A
Antimalarial (+)-trans-hexahydrodibenzopyran derivatives from Machaerium multiflorum.
Journal of natural products 2001;64(10):1322-5.
-
2001: Ganzera M; Zhao J; Khan I A
Analysis of terpenelactones in Ginkgo biloba by high performance liquid chromatography and evaporative light scattering detection.
Chemical & pharmaceutical bulletin 2001;49(9):1170-3.
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2001: Ganzera M; Muhammad I; Khan R A; Khan I A
Improved method for the determination of oxindole alkaloids in Uncaria tomentosa by high performance liquid chromatography.
Planta medica 2001;67(5):447-50.
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2001: Ganzera M; Pujol P; Walker L; Khan I A
An improved method for the determination of betaine in Echinacea products.
Die Pharmazie 2001;56(7):552-3.
-
2001: Abourashed E A; Khan I A
High-performance liquid chromatography determination of hydrastine and berberine in dietary supplements containing goldenseal.
Journal of pharmaceutical sciences 2001;90(7):817-22.
-
2001: Muhammad I; Dunbar D C; Khan R A; Ganzera M; Khan I A
Investigation of Uña De Gato I. 7-Deoxyloganic acid and 15N NMR spectroscopic studies on pentacyclic oxindole alkaloids from Uncaria tomentosa.
Phytochemistry 2001;57(5):781-5.
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2001: Khan I A; Allgood J; Walker L A; Abourashed E A; Schlenk D; Benson W H
Determination of heavy metals and pesticides in ginseng products.
Journal of AOAC International 2001;84(3):936-9.
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2001: Smith K K; Dharmaratne H R; Feltenstein M W; Broom S L; Roach J T; Nanayakkara N P; Khan I A; Sufka K J
Anxiolytic effects of kava extract and kavalactones in the chick social separation-stress paradigm.
Psychopharmacology 2001;155(1):86-90.
-
2001: Muhammad I; Khan I A; Fischer N H; Fronczek F R
Two stereoisomeric pentacyclic oxindole alkaloids from Uncaria tomentosa: uncarine C and uncarine E.
Acta crystallographica. Section C, Crystal structure communications 2001;57(Pt 4):480-2.
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2001: Ganzera M; Yayla Y; Khan I A
Analysis of the marker compounds of Rhodiola rosea L. (golden root) by reversed phase high performance liquid chromatography.
Chemical & pharmaceutical bulletin 2001;49(4):465-7.
-
2001: Bedir E; Khan I A
A new cyclolanostanol arabinoside from the rhizome of Cimicifuga racemosa.
Die Pharmazie 2001;56(3):268-9.
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2001: Pugh N; Khan I A; Moraes R M; Pasco D S
Podophyllotoxin lignans enhance IL-1beta but suppress TNF-alpha mRNA expression in LPS-treated monocytes.
Immunopharmacology and immunotoxicology 2001;23(1):83-95.
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2001: Canel C; Dayan F E; Ganzera M; Khan I A; Rimando A; Burandt C L; Moraes R M
High yield of podophyllotoxin from leaves of Podophyllum peltatum by in situ conversion of podophyllotoxin 4- O-beta-D-glucopyranoside.
Planta medica 2001;67(1):97-9.
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2001: Huggett D B; Khan I A; Allgood J C; Block D S; Schlenk D
Organochlorine pesticides and metals in select botanical dietary supplements.
Bulletin of environmental contamination and toxicology 2001;66(2):150-5.
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2001: Bedir E; Toyang N J; Khan I A; Walker L A; Clark A M
A new dammarane-type triterpene glycoside from Polyscias fulva.
Journal of natural products 2001;64(1):95-7.
-
2000: Abourashed E A; Khan I A
Microbial transformation of kawain and methysticin.
Chemical & pharmaceutical bulletin 2000;48(12):1996-8.
-
2000: Bedir E; Calis I; Piacente S; Pizza C; Khan I A
A new flavonol glycoside from the aerial parts of Astragalus vulneraria.
Chemical & pharmaceutical bulletin 2000;48(12):1994-5.
-
2000: Bedir E; Khan I A
New steroidal glycosides from the fruits of Tribulus terrestris.
Journal of natural products 2000;63(12):1699-701.
-
2000: Khan I A; Avery M A; Burandt C L; Goins D K; Mikell J R; Nash T E; Azadegan A; Walker L A
Antigiardial activity of isoflavones from Dalbergia frutescens bark.
Journal of natural products 2000;63(10):1414-6.
-
2000: Abourashed E A; Khan I A; Abourashed E A; Khan I A
Determination of parthenolide in selected feverfew products by liquid chromatography.
Journal of AOAC International 2000;83(4):789-92.
-
2000: Abourashed E A; Khan I A; Abourashed E A; Khan I A
Determination of parthenolide in selected feverfew products by liquid chromatography.
Journal of AOAC International 2000;83(4):789-92.
-
2000: Bedir E; Calis I; Khan I A
Macrophyllosaponin E: a novel compound from the roots of Astragalus. oleifolius.
Chemical & pharmaceutical bulletin 2000;48(7):1081-3.
-
2000: Bedir E; Pugh N; Calis I; Pasco D S; Khan I A
Immunostimulatory effects of cycloartane-type triterpene glycosides from astragalus species.
Biological & pharmaceutical bulletin 2000;23(7):834-7.
-
2000: Bedir E; Khan I A
Cimiracemoside a: A new cyclolanostanol xyloside from the rhizome of Cimicifuga racemosa.
Chemical & pharmaceutical bulletin 2000;48(3):425-7.
-
2000: Abourashed E A; el-Feraly F S; Khan I A; Hufford C D
2-Hydroxy-5-(ethanolamino)-3-(10'-Z-pentadecenyl)-1,4-benzoquinone, new microbial phase II metabolite of maesanin.
Chemical & pharmaceutical bulletin 2000;48(1):45-7.
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1998: Johnson T; Khan I A; Avery M A; Grant J; Meshnick S R
Quantitative structure-activity relationship studies of a series of sulfa drugs as inhibitors of Pneumocystis carinii dihydropteroate synthetase.
Antimicrobial agents and chemotherapy 1998;42(6):1454-8.
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1997: Khan I A; Clark A M; McChesney J D
Antifungal activity of a new triterpenoid glycoside from Pithecellobium racemosum (M.).
Pharmaceutical research 1997;14(3):358-61.
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