Medicinal Flowers. XXXVIII. Structures of Acylated Sucroses and Inhibitory Effects of Constituents on Aldose Reducatase from the Flower Buds of Prunus mume
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概要
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The methanolic extract from the flower buds of Prunus mume, cultivated in Zhejiang province, China, showed an inhibitory effect on aldose reductase. From the methanolic extract, five new acylated sucroses, mumeoses F–J, were isolated together with 29 known compounds. The chemical structures of the new compounds were elucidated on the basis of chemical and physicochemical evidence. The inhibitory effects of the isolated compounds on aldose reductase were also investigated. Acylated quinic acid analogs, which are one of the major compounds of the flower buds of P. mume, were shown to substantially inhibit aldose reductase. In particular, mumeic acid-A was found to exhibit a potent inhibitory effect [IC50=0.4 µ<span style="font-variant: small-caps;">m</span>].
著者
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NAKAMURA Seikou
Kyoto Pharmaceutical University
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MATSUDA Hisashi
Kyoto Pharmaceutical University
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YOSHIKAWA Masayuki
Kyoto Pharmaceutical University
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Fujimoto Katsuyoshi
Kyoto Pharmaceutical University
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Matsumoto Takahiro
Kyoto Pharmaceutical University
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Ohta Tomoe
Kyoto Pharmaceutical University
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MATSUDA HISASHI
Kyoto College of Pharmacy
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TAMURA Haruka
Kyoto Pharmaceutical University
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Ogawa Keiko
Kyoto Pharmaceutical University
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