Spirostanol and Furostanol Glycosides of Costus speciosus (KOENIG.) SM.
スポンサーリンク
概要
- 論文の詳細を見る
Eight steroid glycosides were isolated from a methanol extract of underground parts of Costus speciosus (KOENIG.) SM. Six of them were known glycosides which were identified as prosapogenin-B of dioscin, dioscin, gracillin, methyl protodioscin, methyl protogracillin, and protogracillin. The α configuration of C-22 methoxy group of methyl protogracillin was defined by a rotating-frame Overhauser effect (ROE) study. One of the two remaining glycosides was a new furostanol monoglycoside, elucidated as 26-O-β-D-glucopyranosyl-(25R)-furost-5-ene-3β, 22ζ, 26-triol on the basis of ^<13>C-NMR spectral data. The other glycoside, identified as diosgenin 3-O-β-D-glucopyranosyl (1→3)-β-D-glucopyranoside, was isolated from a natural source for the first time.
- 日本生薬学会の論文
- 1995-09-20
著者
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三川 潮
富山医薬大薬
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三川 潮
Faculty Of Pharmaceutical Sciences University Of Tokyo
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NOGUCHI Hiroshi
Faculty of Engineering, Kyushu University
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Sankawa U
International Research Center For Traditional Medicine
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Sankawa Ushio
(present Address)faculty Of Pharmaceutical Sciences Toyama Medical And Pharmaceutical University
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Sankawa Ushio
Faculty Of Pharmaceutical Sciences Toyama Medical And Pharmaceutical University
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Sankawa Ushio
Faculty Of Pharmaceautical Sciences University Of Tokyo
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Inoue Kentaro
Faculty Of Pharmaceutical Sciences The University Of Tokyo
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Ebizuka Yutaka
Faculty Of Pharmaceautical Sciences University Of Tokyo
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Kobayashi Shigeo
Faculty Of Engineering Kyushu Sangyo University
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Noguchi H
Department Of Biology Faculty Of Science Chiba University
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Kobayashi S
Kansai Univ. Osaka Jpn
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Inoue K
Tohoku Coll. Pharmacy Sendai Jpn
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Noguchi Hiroshi
Faculty Of Commerce University Of Marketing And Distribution Sciences
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