Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials 2012-Apr
[Study on the chemical constituents from Gnaphalium hypoleucum].
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Abstraktne
OBJECTIVE
To research the chemical constituents from Gnaphalium hypoleucum.
METHODS
Compounds were separated by using silica gel, ODS, Sephadex LH-20 chromatography and their structures were elucidated by means of spectral data analysis.
RESULTS
Ten compounds were isolated and identified as tetracosanoic acid (1), 5-hydroxy-3,6,7,8-tetramethoxyflavone (2), beta-sitosterol (3), 5-hydroxy-3,6,7,8,4'-pentamethoxyflavone (4), 5-hydroxy-3,6, 7,8,3',4'-hexamethoxyflavone (5), apigenin (6), luteolin (7), quercetin (8), luteolin4'-O-beta-D-glucoside (9), quercetin-4'-O-beta-D-glucoside (10).
CONCLUSIONS
All of these compounds are isolated from this plant for the first time. Compound 5 is isolated from the genus for the first time.
