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Tsutomu Warashina

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Tsutomu Warashina; Kaoru Umehara; Toshio Miyase
Flavonoid Glycosides from Botrychium ternatum.
Syuji Iwanaga; Tsutomu Warashina; Toshio Miyase
Triterpene saponins from the pericarps of Akebia trifoliata.
Michiko Myose; Tsutomu Warashina; Toshio Miyase
Triterpene saponins with hyaluronidase inhibitory activity from the seeds of Camellia sinensis.

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All Publications

2012: Tsutomu Warashina; Kaoru Umehara; Toshio Miyase
Flavonoid Glycosides from Botrychium ternatum.
Chemical & pharmaceutical bulletin 2012;60(12):1561-73.
2012: Syuji Iwanaga; Tsutomu Warashina; Toshio Miyase
Triterpene saponins from the pericarps of Akebia trifoliata.
Chemical & pharmaceutical bulletin 2012;60(10):1264-74.
2012: Michiko Myose; Tsutomu Warashina; Toshio Miyase
Triterpene saponins with hyaluronidase inhibitory activity from the seeds of Camellia sinensis.
Chemical & pharmaceutical bulletin 2012;60(5):612-23.
2012: Hiroaki Aoshima; Toshio Miyase; Tsutomu Warashina
Caffeic acid oligomers with hyaluronidase inhibitory activity from Clinopodium gracile.
Chemical & pharmaceutical bulletin 2012;60(4):499-507.
2012: Tsutomu Warashina; Kaoru Umehara; Toshio Miyase
Constituents from the roots of Taraxacum platycarpum and their effect on proliferation of human skin fibroblasts.
Chemical & pharmaceutical bulletin 2012;60(2):205-12.
2011: Tsutomu Warashina; Kaoru Umehara; Toshio Miyase; Tadataka Noro
8,12;8,20-diepoxy-8,14-secopregnane glycosides from roots of Asclepias tuberosa and their effect on proliferation of human skin fibroblasts.
Phytochemistry 2011;72(14-15):1865-75.
2010: Toshio Miyase; FR Melek; Tsutomu Warashina; M A Selim; N M El Fiki; I A A Kassem
Cytotoxic triterpenoid saponins acylated with monoterpenic acids from fruits of Gleditsia caspica Desf.
Phytochemistry 2010;71(16):1908-16.
2010: Toshio Miyase; FR Melek; NS Ghaly; Tsutomu Warashina; M El-Kady; Marian Nabil
Echinocystic acid 3,16-O-bisglycosides from Albizia procera.
Phytochemistry 2010;71(11-12):1375-80.
2010: Tsutomu Warashina; Tadataka Noro
8,12;8,20-Diepoxy-8,14-secopregnane glycosides from the aerial parts of Asclepias tuberosa.
Chemical & pharmaceutical bulletin 2010;58(2):172-9.
2009: Kaoru Umehara; Kiyomitsu Nemoto; Ayako Matsushita; Eri Terada; Orawan Monthakantirat; Wanchai De-Eknamkul; Toshio Miyase; Tsutomu Warashina; Masakuni Degawa; Hiroshi Noguchi
Flavonoids from the heartwood of the Thai medicinal plant Dalbergia parviflora and their effects on estrogenic-responsive human breast cancer cells.
Journal of natural products 2009;72(12):2163-8.
2009: Tsutomu Warashina; Tadataka Noro
8,14-Secopregnane glycosides from the aerial parts of Asclepias tuberosa.
Phytochemistry 2009;70(10):1294-304.
2009: Tsutomu Warashina; Tadataka Noro
Acylated-oxypregnane glycosides from the roots of Asclepias syriaca.
Chemical & pharmaceutical bulletin 2009;57(2):177-84.
2009: Maya Mori-Hongo; Hiromi Yamaguchi; Tsutomu Warashina; Toshio Miyase
Melanin synthesis inhibitors from Lespedeza cyrtobotrya.
Journal of natural products 2009;72(1):63-71.
2008: Tsutomu Warashina; Toshio Miyase
Sesquiterpenes from the roots of Cichorium endivia.
Chemical & pharmaceutical bulletin 2008;56(10):1445-51.
2008: Tsutomu Warashina; Kimiko Shikata; Toshio Miyase; Satoshi Fujii; Tadataka Noro
New cardenolide and acylated lignan glycosides from the aerial parts of Asclepias curassavica.
Chemical & pharmaceutical bulletin 2008;56(8):1159-63.
2008: Tsutomu Warashina; Tadataka Noro
Steroidal glycosides from the roots of Asclepias curassavica.
Chemical & pharmaceutical bulletin 2008;56(3):315-22.
2008: Toshihiro Murata; Toshio Miyase; Francis Wamakima Muregi; Yasuko Naoshima-Ishibashi; Kaoru Umehara; Tsutomu Warashina; Shigeyuki Kanou; Gerald M Mkoji; Mamoru Terada; Akira Ishih
Antiplasmodial triterpenoids from Ekebergia capensis.
Journal of natural products 2008;71(2):167-74.
2008: Kaoru Umehara; Kiyomitsu Nemoto; Kyoko Kimijima; Ayako Matsushita; Eri Terada; Orawan Monthakantirat; Wanchai De-Eknamkul; Toshio Miyase; Tsutomu Warashina; Masakuni Degawa; Hiroshi Noguchi
Estrogenic constituents of the heartwood of Dalbergia parviflora.
Phytochemistry 2008;69(2):546-52.
2006: Tsutomu Warashina; Tadataka Noro
Glycosides of 14,15-seco and 13,14:14,15-disecopregnanes from the roots of Cynanchum sublanceolatum.
Chemical & pharmaceutical bulletin 2006;54(11):1551-60.
2006: Naomi Shimamura; Toshio Miyase; Kaoru Umehara; Tsutomu Warashina; Satoshi Fujii
Phytoestrogens from Aspalathus linearis.
Biological & pharmaceutical bulletin 2006;29(6):1271-4.
2006: Tsutomu Warashina; Yoshimi Nagatani; Tadataka Noro
Constituents from the bark of Tabebuia impetiginosa.
Chemical & pharmaceutical bulletin 2006;54(1):14-20.
2005: Orawan Monthakantirat; Wanchai De-Eknamkul; Kaoru Umehara; Yohko Yoshinaga; Toshio Miyase; Tsutomu Warashina; Hiroshi Noguchi
Phenolic constituents of the rhizomes of the Thai medicinal plant Belamcanda chinensis with proliferative activity for two breast cancer cell lines.
Journal of natural products 2005;68(3):361-4.
2005: Tsutomu Warashina; Yoshimi Nagatani; Tadataka Noro
Further constituents from the bark of Tabebuia impetiginosa.
Phytochemistry 2005;66(5):589-97.
2004: Tsutomu Warashina; Yoshimi Nagatani; Tadataka Noro
Constituents from the bark of Tabebuia impetiginosa.
Phytochemistry 2004;65(13):2003-11.
2004: Aki Matsushita; Yukimi Sasaki; Tsutomu Warashina; Toshio Miyase; Hiroshi Noguchi; David VanderVelde
Hydrocotylosides I-VII, new oleanane saponins from hydrocotylesibthorpioides.
Journal of natural products 2004;67(3):384-8.
2003: Tsutomu Warashina; Tadataka Noro
Acylated-oxypregnane glycosides from the roots of Araujia sericifera.
Chemical & pharmaceutical bulletin 2003;51(9):1036-45.
2002: Yuko Ibuki; Tadataka Noro; Tsutomu Warashina; Rensuke Goto
Coexposure to benzo[a]pyrene plus ultraviolet A induces 8-oxo-7,8-dihydro-2'-deoxyguanosine formation in human skin fibroblasts: preventive effects of anti-oxidant agents.
Environmental toxicology and pharmacology 2002;12(1):37-42.
2002: Wataru Kobayashi; Toshio Miyase; Mitsuaki Sano; Kaoru Umehara; Tsutomu Warashina; Hiroshi Noguchi
Prolyl endopeptidase inhibitors from the roots of Lindera strychnifolia F. Vill.
Biological & pharmaceutical bulletin 2002;25(8):1049-52.
2002: Yoshimi Nagatani; Tsutomu Warashina; Tadataka Noro
Studies on the constituents from the aerial part of Baccharis dracunculifolia DC. II.
Chemical & pharmaceutical bulletin 2002;50(5):583-9.
2001: Yoshimi Nagatani; Tsutomu Warashina; Tadataka Noro
Studies on the constituents from the aerial part of Baccharis dracunculifolia DC.
Chemical & pharmaceutical bulletin 2001;49(11):1388-94.
2001: M Iizuka; Tsutomu Warashina; Tadataka Noro
Bufadienolides and a new lignan from the bulbs of Urginea maritima.
Chemical & pharmaceutical bulletin 2001;49(3):282-6.
2000: Tsutomu Warashina; Tadataka Noro
Cardenolide and oxypregnane glycosides from the root of Asclepias incarnata L.
Chemical & pharmaceutical bulletin 2000;48(4):516-24.
2000: Tsutomu Warashina; Tadataka Noro
Steroidal glycosides from the aerial part of Asclepias incarnata.
Phytochemistry 2000;53(4):485-98.
2000: Tsutomu Warashina; Tadataka Noro
Steroidal glycosides from the aerial part of Asclepias incarnata L. II.
Chemical & pharmaceutical bulletin 2000;48(1):99-107.
1999: Tadataka Noro; T Ohki; Y Noda; Tsutomu Warashina; K Noro; Isao Tomita; Yoshiyuki Nakamura
Inhibitory effects of hydrolyzable tannins on tumor promoting activities induced by 12-O-tetradecanoyl-phorbol-13-acetate (TPA) in JB6 mouse epidermal cells.
Basic life sciences 1999;66():665-73.
1999: Yoshiyuki Nakamura; M Matsuda; T Honma; Isao Tomita; N Shibata; Tsutomu Warashina; Tadataka Noro; Yukihiko Hara
Chemical constituents of mainly active component fractionated from the aqueous tea non-dialysates, an antitumor promoter.
Basic life sciences 1999;66():629-41.
1995: Tsutomu Warashina; Tadataka Noro
Steroidal glycosides from roots of Cynanchum caudatum M. II.
Chemical & pharmaceutical bulletin 1995;43(10):1734-7.
1995: Tsutomu Warashina; Tadataka Noro
Steroidal glycosides from Cynanchum caudatum.
Phytochemistry 1995;39(1):199-204.
1994: Tsutomu Warashina; Tadataka Noro
Steroidal glycosides and cardenolide glycosides from Asclepias fruticosa.
Phytochemistry 1994;37(1):217-26.
1994: Tsutomu Warashina; Tadataka Noro
Steroidal glycosides from Asclepias fruticosa L.
Chemical & pharmaceutical bulletin 1994;42(2):322-6.
1992: Tsutomu Warashina; Toshio Miyase; A Ueno
Phenylethanoid and lignan glycosides from Verbascum thapsus.
Phytochemistry 1992;31(3):961-5.