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Toshiyuki Murakami

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Hisashi Matsuda; Toshio Morikawa; Shin Ando; Hideo Oominami; Toshiyuki Murakami; Ikuko Kimura; Masayuki Yoshikawa
Absolute stereostructures of polypodane- and octanordammarane-type triterpenes with nitric oxide production inhibitory activity from guggul-gum resins.
Masayuki Yoshikawa; Toshio Morikawa; Kyoko Nakano; Yutana Pongpiriyadacha; Toshiyuki Murakami; Hisashi Matsuda
Characterization of new sweet triterpene saponins from Albizia myriophylla.
Masayuki Yoshikawa; Toshiyuki Murakami; Tomoko Ishiwada; Toshio Morikawa; Masatomo Kagawa; Yoshihiko Higashi; Hisashi Matsuda
New flavonol oligoglycosides and polyacylated sucroses with inhibitory effects on aldose reductase and platelet aggregation from the flowers of Prunus mume.

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2004: Hisashi Matsuda; Toshio Morikawa; Shin Ando; Hideo Oominami; Toshiyuki Murakami; Ikuko Kimura; Masayuki Yoshikawa
Absolute stereostructures of polypodane- and octanordammarane-type triterpenes with nitric oxide production inhibitory activity from guggul-gum resins.
Bioorganic & medicinal chemistry 2004;12(11):3037-46.
2002: Masayuki Yoshikawa; Toshio Morikawa; Kyoko Nakano; Yutana Pongpiriyadacha; Toshiyuki Murakami; Hisashi Matsuda
Characterization of new sweet triterpene saponins from Albizia myriophylla.
Journal of natural products 2002;65(11):1638-42.
2002: Masayuki Yoshikawa; Toshiyuki Murakami; Tomoko Ishiwada; Toshio Morikawa; Masatomo Kagawa; Yoshihiko Higashi; Hisashi Matsuda
New flavonol oligoglycosides and polyacylated sucroses with inhibitory effects on aldose reductase and platelet aggregation from the flowers of Prunus mume.
Journal of natural products 2002;65(8):1151-5.
2001: Masayuki Yoshikawa; Toshio Morikawa; K Yashiro; Toshiyuki Murakami; Hisashi Matsuda
Bioactive saponins and glycosides. XIX. Notoginseng (3): immunological adjuvant activity of notoginsenosides and related saponins: structures of notoginsenosides-L, -M, and -N from the roots of Panax notoginseng (Burk.) F. H. Chen.
Chemical & pharmaceutical bulletin 2001;49(11):1452-6.
2001: Toshiyuki Murakami; K Kohno; Kiyofumi Ninomiya; Hisashi Matsuda; Masayuki Yoshikawa
Medicinal foodstuffs. XXV. Hepatoprotective principle and structures of ionone glucoside, phenethyl glycoside, and flavonol oligoglycosides from young seedpods of garden peas, Pisum sativum L.
Chemical & pharmaceutical bulletin 2001;49(8):1003-8.
2001: Masayuki Yoshikawa; Toshiyuki Murakami; Akinobu Kishi; Tadashi Kageura; Hisashi Matsuda
Medicinal flowers. III. Marigold. (1): hypoglycemic, gastric emptying inhibitory, and gastroprotective principles and new oleanane-type triterpene oligoglycosides, calendasaponins A, B, C, and D, from Egyptian Calendula officinalis.
Chemical & pharmaceutical bulletin 2001;49(7):863-70.
2001: Toshiyuki Murakami; Akinobu Kishi; Hisashi Matsuda; M Hattori; Masayuki Yoshikawa
Medicinal foodstuffs. XXIV. Chemical constituents of the processed leaves of Apocynum venetum L.: absolute stereostructures of apocynosides I and II.
Chemical & pharmaceutical bulletin 2001;49(7):845-8.
2001: Toshiyuki Murakami; K Hirano; Masayuki Yoshikawa
Medicinal foodstuffs. XXIII. Structures of new oleanane-type triterpene oligoglycosides, basellasaponins A, B, C, and D, from the fresh aerial parts of Basella rubra L.
Chemical & pharmaceutical bulletin 2001;49(6):776-9.
2001: Toshiyuki Murakami; H Oominami; Hisashi Matsuda; Masayuki Yoshikawa
Bioactive saponins and glycosides. XVIII. Nortriterpene and triterpene oligoglycosides from the fresh leaves of Euptelea polyandra Sieb. et Zucc. (2): Structures of eupteleasaponins VI, VI acetate, VII, VIII, IX, X, XI, and XII.
Chemical & pharmaceutical bulletin 2001;49(6):741-6.
2001: Hisashi Matsuda; Toshiyuki Murakami; Akinobu Kishi; Masayuki Yoshikawa
Structures of withanosides I, II, III, IV, V, VI, and VII, new withanolide glycosides, from the roots of Indian Withania somnifera DUNAL. and inhibitory activity for tachyphylaxis to clonidine in isolated guinea-pig ileum.
Bioorganic & medicinal chemistry 2001;9(6):1499-507.
2001: Toshiyuki Murakami; K Kohno; Hisashi Matsuda; Masayuki Yoshikawa
Medicinal foodstuffs. XXII. Structures of oleanane-type triterpene oligoglycosides, pisumsaponins I and II, and kaurane-type diterpene oligoglycosides, pisumosides A and B, from green peas, the immature seeds of Pisum sativum L.
Chemical & pharmaceutical bulletin 2001;49(1):73-7.
2001: Toshiyuki Murakami; A Emoto; Hisashi Matsuda; Masayuki Yoshikawa
Medicinal foodstuffs. XXI. Structures of new cucurbitane-type triterpene glycosides, goyaglycosides-a, -b, -c, -d, -e, -f, -g, and -h, and new oleanane-type triterpene saponins, goyasaponins I, II, and III, from the fresh fruit of Japanese Momordica charantia L.
Chemical & pharmaceutical bulletin 2001;49(1):54-63.
2000: Toshiyuki Murakami; J Nakamura; Tadashi Kageura; Hisashi Matsuda; Masayuki Yoshikawa
Bioactive saponins and glycosides. XVII. Inhibitory effect on gastric emptying and accelerating effect on gastrointestinal transit of tea saponins: structures of assamsaponins F, G, H, I, and J from the seeds and leaves of the tea plant.
Chemical & pharmaceutical bulletin 2000;48(11):1720-5.
2000: Toshiyuki Murakami; K Kohno; Akinobu Kishi; Hisashi Matsuda; Masayuki Yoshikawa
Medicinal foodstuffs. XIX. Absolute stereostructures of canavalioside, a new Ent-kaurane-type diterpene glycoside, and gladiatosides A1, A2, A3, B1, B2, B3, C1, and C2, new acylated flavonol glycosides, from sword bean, the seeds of Canavalia gladiata.
Chemical & pharmaceutical bulletin 2000;48(11):1673-80.
2000: Hisashi Matsuda; Toshiyuki Murakami; Norihisa Nishida; Tadashi Kageura; Masayuki Yoshikawa
Medicinal foodstuffs. XX. Vasorelaxant active constituents from the roots of Angelica furcijuga Kitagawa: structures of hyuganins A, B, C, and D.
Chemical & pharmaceutical bulletin 2000;48(10):1429-35.
2000: Masayuki Yoshikawa; Toshiyuki Murakami; H Oomiinami; Hisashi Matsuda
Bioactive saponins and glycosides. XVI. Nortriterpene oligoglycosides with gastroprotective activity from the fresh leaves of Euptelea polyandra Sieb. et Zucc. (1): structures of Eupteleasaponins I, II, III, IV, V, and V acetate.
Chemical & pharmaceutical bulletin 2000;48(7):1045-50.
1999: Toshiyuki Murakami; J Nakamura; Hisashi Matsuda; Masayuki Yoshikawa
Bioactive saponins and glycosides. XV. Saponin constituents with gastroprotective effect from the seeds of tea plant, Camellia sinensis L. var. assamica Pierre, cultivated in Sri Lanka: structures of assamsaponins A, B, C, D, and E.
Chemical & pharmaceutical bulletin 1999;47(12):1759-64.
1999: Hisashi Matsuda; Toshiyuki Murakami; A Ikebata; J Yamahara; Masayuki Yoshikawa
Bioactive saponins and glycosides. XIV. Structure elucidation and immunological adjuvant activity of novel protojujubogenin type triterpene bisdesmosides, protojujubosides A, B, and B1, from the seeds of Zizyphus jujuba var. spinosa (Zizyphi Spinosi Semen).
Chemical & pharmaceutical bulletin 1999;47(12):1744-8.
1999: Hisashi Matsuda; Toshiyuki Murakami; K Yashiro; J Yamahara; Masayuki Yoshikawa
Antidiabetic principles of natural medicines. IV. Aldose reductase and qlpha-glucosidase inhibitors from the roots of Salacia oblonga Wall. (Celastraceae): structure of a new friedelane-type triterpene, kotalagenin 16-acetate.
Chemical & pharmaceutical bulletin 1999;47(12):1725-9.
1999: Hisashi Matsuda; Tadashi Kageura; Iwao Toguchida; Toshiyuki Murakami; Akinobu Kishi; Masayuki Yoshikawa
Effects of sesquiterpenes and triterpenes from the rhizome of Alisma orientale on nitric oxide production in lipopolysaccharide-activated macrophages: absolute stereostructures of alismaketones-B 23-acetate and -C 23-acetate.
Bioorganic & medicinal chemistry letters 1999;9(21):3081-6.
1999: Hisashi Matsuda; Y Li; Toshiyuki Murakami; J Yamahara; Masayuki Yoshikawa
Effects of escins Ia, Ib, IIa, and IIb from horse chestnuts on gastric emptying in mice.
European journal of pharmacology 1999;368(2-3):237-43.
1999: Masayuki Yoshikawa; Toshio Morikawa; Toshiyuki Murakami; Iwao Toguchida; Shoichi Harima; Hisashi Matsuda
Medicinal flowers. I. Aldose reductase inhibitors and three new eudesmane-type sesquiterpenes, kikkanols A, B, and C, from the flowers of Chrysanthemum indicum L.
Chemical & pharmaceutical bulletin 1999;47(3):340-5.
1999: Hisashi Matsuda; Y Li; Toshiyuki Murakami; J Yamahara; Masayuki Yoshikawa
Structure-related inhibitory activity of oleanolic acid glycosides on gastric emptying in mice.
Bioorganic & medicinal chemistry 1999;7(2):323-7.
1999: Masayuki Yoshikawa; Toshiyuki Murakami; K Otuki; J Yamahara; Hisashi Matsuda
[Bioactive saponins and glycosides. XIII. Horse chestnut. (3): Quantitative analysis of escins Ia, Ib, IIa, and IIb by means of high performance liquid chromatography].
Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan 1999;119(1):81-7.
1998: Masayuki Yoshikawa; Toshiyuki Murakami; J Yamahara; Hisashi Matsuda
Bioactive saponins and glycosides. XII. Horse chestnut. (2): Structures of escins IIIb, IV, V, and VI and isoescins Ia, Ib, and V, acylated polyhydroxyoleanene triterpene oligoglycosides, from the seeds of horse chestnut tree (Aesculus hippocastanum L., Hippocastanaceae).
Chemical & pharmaceutical bulletin 1998;46(11):1764-9.
1998: Hisashi Matsuda; Y Li; Toshiyuki Murakami; N Matsumura; J Yamahara; Masayuki Yoshikawa
Antidiabetic principles of natural medicines. III. Structure-related inhibitory activity and action mode of oleanolic acid glycosides on hypoglycemic activity.
Chemical & pharmaceutical bulletin 1998;46(9):1399-403.
1998: Hisashi Matsuda; Toshiyuki Murakami; Tadashi Kageura; Kiyofumi Ninomiya; Iwao Toguchida; Norihisa Nishida; Masayuki Yoshikawa
Hepatoprotective and nitric oxide production inhibitory activities of coumarin and polyacetylene constituents from the roots of Angelica furcijuga.
Bioorganic & medicinal chemistry letters 1998;8(16):2191-6.
1998: Masayuki Yoshikawa; Toshiyuki Murakami; K Yashiro; Hisashi Matsuda
Kotalanol, a potent alpha-glucosidase inhibitor with thiosugar sulfonium sulfate structure, from antidiabetic ayurvedic medicine Salacia reticulata.
Chemical & pharmaceutical bulletin 1998;46(8):1339-40.
1998: Hisashi Matsuda; Toshiyuki Murakami; Y Li; J Yamahara; Masayuki Yoshikawa
Mode of action of escins Ia and IIa and E,Z-senegin II on glucose absorption in gastrointestinal tract.
Bioorganic & medicinal chemistry 1998;6(7):1019-23.
1998: Masayuki Yoshikawa; Toshiyuki Murakami; H Shimada; S Yoshizumi; M Saka; J Yamahara; Hisashi Matsuda
Medicinal foodstuffs. XIV. On the bioactive constituents of moroheiya. (2): New fatty acids, corchorifatty acids A, B, C, D, E, and F, from the leaves of Corchorus olitorius L. (Tiliaceae): structures and inhibitory effect on NO production in mouse peritoneal macrophages.
Chemical & pharmaceutical bulletin 1998;46(6):1008-14.
1998: Masayuki Yoshikawa; Toshiyuki Murakami; Akinobu Kishi; T Sakurama; H Matsuda; M Nomura; Hisashi Matsuda; M Kubo
Novel indole S,O-bisdesmoside, calanthoside, the precursor glycoside of tryptanthrin, indirubin, and isatin, with increasing skin blood flow promoting effects, from two Calanthe species (Orchidaceae).
Chemical & pharmaceutical bulletin 1998;46(5):886-8.
1998: Masayuki Yoshikawa; Toshiyuki Murakami; H Komatsu; Hisashi Matsuda
Medicinal foodstuffs. XII. Saponin constituents with adjuvant activity from hyacinth bean, the seeds of Dolichos lablab L. (1): Structures of lablabosides A, B, and C.
Chemical & pharmaceutical bulletin 1998;46(5):812-6.
1998: S Yoshizumi; Toshiyuki Murakami; M Kadoya; Hisashi Matsuda; J Yamahara; Masayuki Yoshikawa
[Medicinal foodstuffs. XI. Histamine release inhibitors from wax gourd, the fruits of Benincasa hispida Cogn].
Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan 1998;118(5):188-92.
1998: Masayuki Yoshikawa; Toshiyuki Murakami; K Yashiro; J Yamahara; Hisashi Matsuda; R Saijoh; O Tanaka
Bioactive saponins and glycosides. XI. Structures of new dammarane-type triterpene oligoglycosides, quinquenosides I, II, III, IV, and V, from American ginseng, the roots of Panax quinquefolium L.
Chemical & pharmaceutical bulletin 1998;46(4):647-54.
1998: Hisashi Matsuda; Y Li; Toshiyuki Murakami; J Yamahara; Masayuki Yoshikawa
Protective effects of oleanolic acid oligoglycosides on ethanol- or indomethacin-induced gastric mucosal lesions in rats.
Life sciences 1998;63(17):PL245-50.
1997: Masayuki Yoshikawa; Toshiyuki Murakami; Hisashi Matsuda
Medicinal foodstuffs. X. Structures of new triterpene glycosides, gymnemosides-c, -d, -e, and -f, from the leaves of Gymnema sylvestre R. Br.: influence of gymnema glycosides on glucose uptake in rat small intestinal fragments.
Chemical & pharmaceutical bulletin 1997;45(12):2034-8.
1997: Masayuki Yoshikawa; Toshiyuki Murakami; M Kadoya; Y Li; N Murakami; J Yamahara; Hisashi Matsuda
Medicinal foodstuffs. IX. The inhibitors of glucose absorption from the leaves of Gymnema sylvestre R. BR. (Asclepiadaceae): structures of gymnemosides a and b.
Chemical & pharmaceutical bulletin 1997;45(10):1671-6.
1997: Hisashi Matsuda; Y Li; Toshiyuki Murakami; Kiyofumi Ninomiya; J Yamahara; Masayuki Yoshikawa
Effects of escins Ia, Ib, IIa, and IIb from horse chestnut, the seeds of Aesculus hippocastanum L., on acute inflammation in animals.
Biological & pharmaceutical bulletin 1997;20(10):1092-5.
1997: Masayuki Yoshikawa; H Shimada; S Horikawa; Toshiyuki Murakami; H Shimoda; J Yamahara; Hisashi Matsuda
Bioactive constituents of Chinese natural medicines. IV. Rhodiolae radix. (2).: On the histamine release inhibitors from the underground part of Rhodiola sacra (Prain ex Hamet) S. H. Fu (Crassulaceae): chemical structures of rhodiocyanoside D and sacranosides A and B.
Chemical & pharmaceutical bulletin 1997;45(9):1498-503.
1997: Masayuki Yoshikawa; H Shimada; Toshio Morikawa; S Yoshizumi; N Matsumura; Toshiyuki Murakami; Hisashi Matsuda; K Hori; J Yamahara
Medicinal foodstuffs. VII. On the saponin constituents with glucose and alcohol absorption-inhibitory activity from a food garnish "Tonburi", the fruit of Japanese Kochia scoparia (L.) Schrad.: structures of scoparianosides A, B, and C.
Chemical & pharmaceutical bulletin 1997;45(8):1300-5.
1997: Masayuki Yoshikawa; Toshiyuki Murakami; A Ikebata; S Wakao; N Murakami; Hisashi Matsuda; J Yamahara
Bioactive saponins and glycosides. X. On the constituents of zizyphi spinosi semen, the seeds of Zizyphus jujuba Mill. var. spinosa Hu (1): structures and histamine release-inhibitory effect of jujubosides A1 and C and acetyljujuboside B.
Chemical & pharmaceutical bulletin 1997;45(7):1186-92.
1997: Masayuki Yoshikawa; Toshiyuki Murakami; T Ueno; K Yashiro; N Hirokawa; N Murakami; J Yamahara; Hisashi Matsuda; R Saijoh; O Tanaka
Bioactive saponins and glycosides. VIII. Notoginseng (1): new dammarane-type triterpene oligoglycosides, notoginsenosides-A, -B, -C, and -D, from the dried root of Panax notoginseng (Burk.) F.H. Chen.
Chemical & pharmaceutical bulletin 1997;45(6):1039-45.
1997: Hisashi Matsuda; Toshiyuki Murakami; H Shimada; N Matsumura; Masayuki Yoshikawa; J Yamahara
Inhibitory mechanisms of oleanolic acid 3-O-monodesmosides on glucose absorption in rats.
Biological & pharmaceutical bulletin 1997;20(6):717-9.
1997: Masayuki Yoshikawa; Toshiyuki Murakami; T Ueda; S Yoshizumi; Kiyofumi Ninomiya; N Murakami; Hisashi Matsuda; M Saito; W Fujii; T Tanaka; J Yamahara
[Bioactive constituents of Chinese natural medicines. III. Absolute stereostructures of new dihydroflavonols, hovenitins I, II, and III, isolated from hoveniae semen seu fructus, the seed and fruit of Hovenia dulcis THUNB. (Rhamnaceae): inhibitory effect on alcohol-induced muscular relaxation and hepatoprotective activity].
Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan 1997;117(2):108-18.
1997: Masayuki Yoshikawa; Toshiyuki Murakami; H Komatsu; N Murakami; J Yamahara; Hisashi Matsuda
Medicinal foodstuffs. IV. Fenugreek seed. (1): structures of trigoneosides Ia, Ib, IIa, IIb, IIIa, and IIIb, new furostanol saponins from the seeds of Indian Trigonella foenum-graecum L.
Chemical & pharmaceutical bulletin 1997;45(1):81-7.
1996: Masayuki Yoshikawa; Toshiyuki Murakami; E Harada; N Murakami; J Yamahara; Hisashi Matsuda
Bioactive saponins and glycosides. VII. On the hypoglycemic principles from the root cortex of Aralia elata Seem.: structure related hypoglycemic activity of oleanolic acid oligoglycoside.
Chemical & pharmaceutical bulletin 1996;44(10):1923-7.
1996: Masayuki Yoshikawa; Toshiyuki Murakami; E Harada; N Murakami; J Yamahara; Hisashi Matsuda
Bioactive saponins and glycosides. VI. Elatosides A and B, potent inhibitors of ethanol absorption, from the bark of Aralia elata SEEM. (Araliaceae): the structure-requirement in oleanolic acid glucuronide-saponins for the inhibitory activity.
Chemical & pharmaceutical bulletin 1996;44(10):1915-22.
1996: Masayuki Yoshikawa; Toshiyuki Murakami; S Yoshizumi; N Murakami; J Yamahara; Hisashi Matsuda
Bioactive saponins and glycosides. V. Acylated polyhydroxyolean-12-ene triterpene oligoglycosides, camelliasaponins A1, A2, B1, B2, C1, and C2, from the seeds of Camellia japonica L.: structures and inhibitory activity on alcohol absorption.
Chemical & pharmaceutical bulletin 1996;44(10):1899-907.
1996: Masayuki Yoshikawa; Toshiyuki Murakami; T Ueda; Hisashi Matsuda; J Yamahara; N Murakami
Bioactive saponins and glycosides. IV. Four methyl-migrated 16,17-seco-dammarane triterpene gylcosides from Chinese natural medicine, hoveniae semen seu fructus, the seeds and fruit of Hovenia dulcis THUNB.: absolute stereostructures and inhibitory activity on histamine release of hovenidulciosides A1, A2, B1, and B2.
Chemical & pharmaceutical bulletin 1996;44(9):1736-43.
1996: Masayuki Yoshikawa; Toshiyuki Murakami; Hisashi Matsuda; J Yamahara; N Murakami; I Kitagawa
Bioactive saponins and glycosides. III. Horse chestnut. (1): The structures, inhibitory effects on ethanol absorption, and hypoglycemic activity of escins Ia, Ib, IIa, IIb, and IIIa from the seeds of Aesculus hippocastanum L.
Chemical & pharmaceutical bulletin 1996;44(8):1454-64.
1996: Masayuki Yoshikawa; Toshiyuki Murakami; Hisashi Matsuda; T Ueno; M Kadoya; J Yamahara; N Murakami
Bioactive saponins and glycosides. II. Senegae Radix. (2): Chemical structures, hypoglycemic activity, and ethanol absorption-inhibitory effect of E-senegasaponin c, Z-senegasaponin c, and Z-senegins II, III, and IV.
Chemical & pharmaceutical bulletin 1996;44(7):1305-13.
1996: Masayuki Yoshikawa; Toshiyuki Murakami; M Kadoya; Hisashi Matsuda; O Muraoka; J Yamahara; N Murakami
Medicinal foodstuff. III. Sugar beet. (1): Hypoglycemic oleanolic acid oligoglycosides, betavulgarosides I, II, III, and IV, from the root of Beta vulgaris L. (Chenopodiaceae).
Chemical & pharmaceutical bulletin 1996;44(6):1212-7.
1996: Masayuki Yoshikawa; S Yoshizumi; Toshiyuki Murakami; Hisashi Matsuda; J Yamahara; N Murakami
Medicinal foodstuffs. II. On the bioactive constituents of the tuber of Sagittaria trifolia L. (Kuwai, Alismataceae): absolute stereostructures of trifoliones A, B, C, and D, sagittariosides a and b, and arabinothalictoside.
Chemical & pharmaceutical bulletin 1996;44(3):492-9.
1996: N Murakami; Toshiyuki Murakami; M Kadoya; Hisashi Matsuda; J Yamahara; Masayuki Yoshikawa
New hypoglycemic constituents in "gymnemic acid" from Gymnema sylvestre.
Chemical & pharmaceutical bulletin 1996;44(2):469-71.
1995: Masayuki Yoshikawa; Toshiyuki Murakami; T Ueno; M Kadoya; Hisashi Matsuda; J Yamahara; N Murakami
Bioactive saponins and glycosides. I. Senegae radix. (1): E-senegasaponins a and b and Z-senegasaponins a and b, their inhibitory effect on alcohol absorption and hypoglycemic activity.
Chemical & pharmaceutical bulletin 1995;43(12):2115-22.
1995: Masayuki Yoshikawa; S Yoshizumi; T Ueno; Hisashi Matsuda; Toshiyuki Murakami; J Yamahara; N Murakami
Medicinal foodstuffs. I. Hypoglycemic constituents from a garnish foodstuff "taranome," the young shoot of Aralia elata SEEM.: elatosides G, H, I, J, and K.
Chemical & pharmaceutical bulletin 1995;43(11):1878-82.
1995: Masayuki Yoshikawa; Toshiyuki Murakami; T Ueno; M Kadoya; Hisashi Matsuda; J Yamahara; N Murakami
E-senegasaponins A and B, Z-senegasaponins A and B, Z-senegins II and III, new type inhibitors of ethanol absorption in rats from senegae radix, the roots of Polygala senega L. var latifolia Torrey et Gray.
Chemical & pharmaceutical bulletin 1995;43(2):350-2.
1994: Masayuki Yoshikawa; E Harada; Toshiyuki Murakami; Hisashi Matsuda; N Wariishi; J Yamahara; N Murakami; I Kitagawa
Escins-Ia, Ib, IIa, IIb, and IIIa, bioactive triterpene oligoglycosides from the seeds of Aesculus hippocastanum L.: their inhibitory effects on ethanol absorption and hypoglycemic activity on glucose tolerance test.
Chemical & pharmaceutical bulletin 1994;42(6):1357-9.
1994: Masayuki Yoshikawa; Hisashi Matsuda; E Harada; Toshiyuki Murakami; N Wariishi; J Yamahara; N Murakami
Elatoside E, a new hypoglycemic principle from the root cortex of Aralia elata Seem.: structure-related hypoglycemic activity of oleanolic acid glycosides.
Chemical & pharmaceutical bulletin 1994;42(6):1354-6.
1994: Masayuki Yoshikawa; E Harada; Toshiyuki Murakami; Hisashi Matsuda; J Yamahara; N Murakami
Camelliasaponins B1, B2, C1 and C2, new type inhibitors of ethanol absorption in rats from the seeds of Camellia japonica L.
Chemical & pharmaceutical bulletin 1994;42(3):742-4.
1993: Masayuki Yoshikawa; E Harada; Hisashi Matsuda; Toshiyuki Murakami; J Yamahara; N Murakami
Elatosides A and B, potent inhibitors of ethanol absorption in rats from the bark of Aralia elata Seem: the structure-activity relationships of oleanolic acid oligoglycosides.
Chemical & pharmaceutical bulletin 1993;41(11):2069-71.
1993: Masayuki Yoshikawa; S Yamaguchi; Toshiyuki Murakami; Hisashi Matsuda; J Yamahara; N Murakami
Absolute stereostructures of trifoliones A, B, C, and D, new biologically active diterpenes from the tuber of Sagittaria trifolia L.
Chemical & pharmaceutical bulletin 1993;41(9):1677-9.