Polyphenol components of the knotwood extracts of Salix capreal.

Tsvetkov D. E.,Dmitrenok A. S.,Tsvetkov Yu. E.,Chizhov A. O.,Nifantiev N. E.

RUSSIAN CHEMICAL BULLETIN（2020）

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摘要

According to HPLC, NMR spectroscopy, and mass spectrometry, the extracts of the knotwood of Salix capreal. contain catechin (1), 7-O-(β-d-glucopyranosyl)dihydrokaempferol (2), 7-O-(β-d-glucopyranosyl)dihydrokaempferol-4′-O-methyl ether (3), 7-O-(β-d-glucopyranosyl)naringenin (prunin) (4), naringenin (5), and dihydrokaempferide (6). Compound 3 was not described previously.

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关键词

flavanoids,polyphenol compounds,knotwood of Salix caprea l.

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