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Title: | Flavonoids from the stem barks of Swintonia griffithii Kurz (Anacadiaceae) and their tyrosinase inhibitory activities |
Authors: | Dang, Hoang Phu Le, Huu Tho Do, Van Nhat Truong Nguven, Xuan Hai Nguyen, Thi Thanh Mai Nguyen, Trung Nhan |
Keywords: | Swintonia griffithii Flavanone Flavanonol Favone Tyrosinase inhibitory |
Issue Date: | 2019 |
Series/Report no.: | Vietnam Journal of Chemistry;Số 57(05) .- Tr.581-584 |
Abstract: | From the stem barks of Swintonia Griffithii, six flavonoids: ( )-naringenin (1), (-)-eriodictyol (2), (+)-taxifolin (3), (-)-butin (4), (-)-tustin (5), and 3',4',7-trihydroxyflavone (6) were isolated. Their structures were determined based on the spectroscopic interpretation and compared with those of reported data. In the tyrosinase inhibitory activity test, (+)-taxifolin (3) and 3',4',7-trihydroxyflavone (6) exhibited potent effect with the IC₅₀ values of 20.9 and 56.7 µM, respectively. |
URI: | http://dspace.ctu.edu.vn/jspui/handle/123456789/25384 |
ISSN: | 2525-2321 |
Appears in Collections: | Vietnam Journal of Chemistry |
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