[Studies on isolation and identification of flavonoids in herbs of Agrimonia pilosa].
OBJECTIVE
To study the chemical constituents in Agrimonia pilosa.


METHODS
The compounds were isolated and purified by various column chromatographic methods and elucidated on the basis of chemical and spectroscopic evidences.


RESULTS
Nine flavonoids were obtained and identified as tiliroside (1), kaempferol 3-O-alpha-L-rhampyranoside (2), quercetin 3-O-alpha-L-rhampyranoside (3), quercetin 3-O-beta-D-glucopyranoside (4), kaempferol 3-O-beta-D-glucopyranoside (5), kaempferol (6), apigenin (7), luteolin (8), quercetin (9).


CONCLUSIONS
Compounds 1-3, 5, 6 and 8 were isolated from this plant for the first time.
Pan
Ya
Y
School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China.
Liu
Hong-Xia
HX
Zhuang
Yu-Lei
YL
Ding
Li-Qin
LQ
Chen
Li-Xia
LX
Qiu
Feng
F
D031981:Agrimonia / Q000737:chemistry*; D004365:Drugs, Chinese Herbal / Q000737:chemistry / Q000302:isolation & purification; D005419:Flavonoids / Q000737:chemistry* / Q000302:isolation & purification*
D004365:Drugs, Chinese Herbal; D005419:Flavonoids