Evaluation of the Antioxidant Activity of Syzygium cumini Leaves
AbstractThe antioxidant activity of Syzygium cumini leaf extracts was investigated using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical-scavenging and ferric-reducing antioxidant power (FRAP) assays. The methanolic extract and its four water, ethyl acetate, chloroform, and n-hexane fractions were prepared and subjected to antioxidant evaluation. The results showed that the ethyl acetate fraction had stronger antioxidant activity than the other ones. HPLC data indicated that S. cumini leaf extracts contained phenolic compounds, such as ferulic acid and catechin, responsible for their antioxidant activity. A significant linear relationship between antioxidant potency, free radical-scavenging ability and the content of phenolic compounds of leaf extracts supported this observation.
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Ruan, Z.P.; Zhang, L.L.; Lin, Y.M. Evaluation of the Antioxidant Activity of Syzygium cumini Leaves. Molecules 2008, 13, 2545-2556.
Ruan ZP, Zhang LL, Lin YM. Evaluation of the Antioxidant Activity of Syzygium cumini Leaves. Molecules. 2008; 13(10):2545-2556.Chicago/Turabian Style
Ruan, Zhi Ping; Zhang, Liang Liang; Lin, Yi Ming. 2008. "Evaluation of the Antioxidant Activity of Syzygium cumini Leaves." Molecules 13, no. 10: 2545-2556.