Chemical Constituents from Leaves of Cyclobalanopsis fleuryi
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Graphical Abstract
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Abstract
The ethanol extract of the leaves of Castanopsis fleuryi was isolated by Sephadex LH-20, MCI gel CHP 20P, Toyopearl HW-40F, Chromatorex C18 column chromatography and simi-preparative HPLC purification techniques to obtain ten compounds. Their structures were elucidated by spectroscopic data and comparison with literatures as:gallic acid(1), ethyl gallate(2), dehydrodigallic acid(3), gentisic acid 5-O-β-D-glucoside(4), cretanin(5), apigenin(6), kaempferol-7-O-β-D-glucoside(7), astilbin(8), aromadendrin7-O-β-glucopyranoside(9), amarusine A(10). All compounds were isolated from this plant for the first time.
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