Abstract
Five chemical constituents were isolated from the ethyl acetate portion from ethanol extract of semen litchi (Seed of Litchi chinensis) by column chromatography on silica gel and Sephadex LH-20 coupled with preparative silica gel thin layer chromatography (TLC). The chemical structures were elucidated on the basis of physicochemical properties and spectroscopic data as stigmasterol (1), P-hydroxy-benzaldehyde (2), protocatechuic acid (3), daucosterol (4) and kaempferol-3-O-β-D-glucopyranoside (5). Compounds 2 and 5 were obtained from seed of L. chinensis for the first time. Key words: Litchi chinensis, semen litchi, seed of Litchi chinensis, P-hydroxy-benzaldehyde, kaempferol-3-O-β-D-glucopyranoside.
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