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- Title
Flavonoids from the Twigs of the Tibetian Medicine Myricaria germanica.
- Authors
LA Xiao-qin; ZENG Yang; XU Min; ZHANG Ying-jun
- Abstract
Eleven flavonoids were isolated from the 60% aq. acetone extract of the air-dried twigs of Myricaria germanic (Tamaricaceae), a famous Tibetian medicine. Their structures were elucidated by spectroscopic analysis and identified as 3,5,4'-trihydroxy-7, 3'-dimethoxytlavone (1), 3, 5, 4'-trihydroxy-7-methoxyflavone (2), rhamnetin (3), 3, 5, 7-trihydroxy-4'-methoxyflavone (4), tamarixetin (5), kaempferol (6), quercetin-3- O-β-D-glucoside (7), kaempferol-3-O-β-glucuronic acid (8), quercetin-3-O-β-D-glucuronicacid (9), quercetrin (10), and afzelin (11), respectively. All compounds were obtained from M. germanica for the first time, and compounds 4, 5, 7 -- 11 were obtained from the genus Myricaria for the first time.
- Subjects
FLAVONOIDS; TWIGS; GERMAN false tamarisk; SPECTRUM analysis; GLUCURONIC acid; PLANT pigments
- Publication
Natural Product Research & Development, 2011, Vol 23, Issue 4, p596
- ISSN
1001-6880
- Publication type
Article