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  • Title: [Study on flavonoids in leaves of Apocynum ventum].
    Author: Li LH, Yuan Z.
    Journal: Zhongguo Zhong Yao Za Zhi; 2006 Aug; 31(16):1337-40. PubMed ID: 17061555.
    Abstract:
    OBJECTIVE: To study the flavonoids in the leaves of Apocynum ventum. METHOD: Compounds were separated by repeated polyacrylamide column chromatgraphy combined with Sephadex LH-20 column chromatgraphy, their structures were confirmed by the analysis of spectral data and physicochemical properties. RESULT: Six compounds were isolated from A. ventum. They were elucidated as quercetin (1), kaempferol (2), kaempferol-3-O-(6"-O-acetyl)-beta-D-glucopyranoside (3), quercetin-3-O-(6"-O-acetyl )-beta-D-glucopyranoside (4), quercetin-3-O-(6"-O-acetyl)-beta-D-galactopyranoside (5), kaempferol-7-O-alpha-L-rhamnopyranoside (6). CONCLUSION: Compound 5 and 6 were isolated from the genus Apocynum for the first time.
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