Two new flavonoids from <i>Artemisia argyi</i> with their anticoagulation activities
Jie-Li LvSchool of Pharmacy, Xinxiang Medical University, Xinxiang, People’s Republic of ChinaZhenzhen LiSchool of Pharmacy, Xinxiang Medical University, Xinxiang, People’s Republic of ChinaLaibin ZhangSchool of Pharmacy, Xinxiang Medical University, Xinxiang, People’s Republic of China
2017en
ABI
Annotatsiya
A new flavone glycoside, eupatilin 7-O-β-d-glucopyranoside (1) and a new flavone, 5,6,2',4'-tetrahydroxy-7,5'-dimethoxyflavone (2), were isolated from Artemisia argyi. Their structures were unambiguously elucidated by extensive spectroscopic analysis. Both flavonoids were evaluated for in vitro anticoagulation activities. Compound 1 significantly extended thrombin time. Compound 2 had obvious effect in increasing prothrombin time.
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