OBJECTIVE: To study the chemical constituents in Agrimonia pilosa.METHOD: The compounds were isolated and purified by various column chromatographic methods and elucidated on the basis of chemical and spectroscopic evidences.RESULT: 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).CONCLUSION: Compounds 1-3, 5, 6 and 8 were isolated from this plant for the first time.
Agrimonia Drugs, Chinese Herbal