Zhongguo Zhong Yao Za Zhi. 2002 Jan; 27(1): 36-8.

[Two flavone glycosides from Chinese traditional medicine Amomum villosum]

Sun L, Yu JG, Zhou LD, Luo XZ, Din W, Yang SL.

Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100094, China.

OBJECTIVE: To study the water soluble constituents from Amomum villosum. METHOD: The constituents were separated and purified with chromatographic methods, identified by NMR, MS, UV and IR. RESULT: Two quercetin glycosides: quercitrin (quercetin-3-O-alpha-L-rhamnoside I) and isoquercitrin (quercetin-3-O-beta-D-glucoside II) were isolated and identified. CONCLUSION: I and II were isolated for the first time from A. villosum.