The compounds, named aesculiosides Ia-Ie, IIa-IId, and IVa-IVc, were isolated from an ethanol extract of the fruits of North American Aesculus pavia, along with two known compounds. Their structures were characterized as polyhydroxyoleanene pentacyclic triterpenoid saponins by spectroscopic and chemical analyses. These saponins were divided into three elution zones by chromatography according to the polarity because of the acyl substitution at C-21 and C-22 of the aglycone saponins moiety. These are structurally different from those isolated from Eurasian Aesculus hippocastanum and Aesculus chinensis in their oligosaccharide moieties. (c) 2006 Elsevier Ltd. All rights reserved.
机构:Univ Tokyo, Grad Sch Agr & Life Sci, Dept Appl Biol Chem, Bunkyo Ku, Tokyo 1138657, Japan
Sakurai, T
Nishimura, T
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机构:Univ Tokyo, Grad Sch Agr & Life Sci, Dept Appl Biol Chem, Bunkyo Ku, Tokyo 1138657, Japan
Nishimura, T
Otake, N
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机构:Univ Tokyo, Grad Sch Agr & Life Sci, Dept Appl Biol Chem, Bunkyo Ku, Tokyo 1138657, Japan
Otake, N
Yao, XS
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机构:Univ Tokyo, Grad Sch Agr & Life Sci, Dept Appl Biol Chem, Bunkyo Ku, Tokyo 1138657, Japan
Yao, XS
Abe, K
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Abe, K
Zeida, M
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Zeida, M
Nagasawa, H
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机构:Univ Tokyo, Grad Sch Agr & Life Sci, Dept Appl Biol Chem, Bunkyo Ku, Tokyo 1138657, Japan
Nagasawa, H
Sakuda, S
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Univ Tokyo, Grad Sch Agr & Life Sci, Dept Appl Biol Chem, Bunkyo Ku, Tokyo 1138657, JapanUniv Tokyo, Grad Sch Agr & Life Sci, Dept Appl Biol Chem, Bunkyo Ku, Tokyo 1138657, Japan
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Chinese Acad Sci, Chengdu Inst Biol, Lab Nat Mat Med, Chengdu 610041, Peoples R ChinaChinese Acad Sci, Chengdu Inst Biol, Lab Nat Mat Med, Chengdu 610041, Peoples R China
Wang, MK
Cai, H
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机构:Chinese Acad Sci, Chengdu Inst Biol, Lab Nat Mat Med, Chengdu 610041, Peoples R China
Cai, H
Peng, SL
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机构:Chinese Acad Sci, Chengdu Inst Biol, Lab Nat Mat Med, Chengdu 610041, Peoples R China
Peng, SL
Ding, LS
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机构:Chinese Acad Sci, Chengdu Inst Biol, Lab Nat Mat Med, Chengdu 610041, Peoples R China
Ding, LS
Wu, FE
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机构:Chinese Acad Sci, Chengdu Inst Biol, Lab Nat Mat Med, Chengdu 610041, Peoples R China
Wu, FE
Chen, YZ
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机构:Chinese Acad Sci, Chengdu Inst Biol, Lab Nat Mat Med, Chengdu 610041, Peoples R China