3 resultater
OBJECTIVE
To investigate the chemical constituents of Anaphalis sinica.
METHODS
Various chromatographic techniques were employed for the isolation and purification of the constituents. The structures were elucidated by chemical and spectral analysis.
RESULTS
Six flavonoid compounds were isolated and
A capillary zone electrophoresis method was developed for simultaneous determination of nine flavonoids, including two rare flavonols, in Tibetan medicine Anaphalis margaritacea. Baseline separation was performed at pH 9.6 with 25 mM Na(2)B(4)O(7) and 10 mM NaH(2)PO(4) buffer solution, 20 kV as
From the ethanolic extract of the whole plant of Anaphalis aureo-punctata, a new acylated flavonoid glycoside 3-O-kaempferol-3-O-acetyl-6-O-(p-coumaroyl)-beta-D-glucopyranoside (1), and five known phenolic compounds were isolated. Their structures were established by spectral methods (UV, IR, MS,