Abstract
A new flavonol diglycoside, rhamnocitrin-3-O-α-L-rhamnopyranosyl-(1→6)-β-D-galactopyranoside, was isolated from the leaves of Ventilago Africana, in addition to 11 known flavonoids. Their structures were determined by spectroscopic methods including 1D- and 2D-NMR, and HR-ESI-MS analysis. The isolated compounds were evaluated for their antioxidant activity by using DPPH radical-scavenging assay. Compounds 4, 7-9 have discrete to good antioxidant potential with EC50 values ranging from 20.9 to 40.4 μM, compared with ascorbic acid (EC50 60 μM) used as positive control.
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Gossan, D. P. A., Magid, A. A., Yao-Kouassi, P. A., Le Faucheur, D., Coffy, A. A., Harakat, D., & Voutquenne-Nazabadioko, L. (2015). New flavonol glycoside from the leaves of Ventilago africana. Natural Product Communications, 10(11), 1805–1807. https://doi.org/10.1177/1934578x1501001103
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