DPPH FREE RADICAL SCAVENGER ACTIVITY OF FLAVONOID FROM THE LEAVES OF FERN Chingia sakayensis (Zeiller) Holtt
Suyatno Suyatno(Chemistry Department, Faculty of Mathematics and Natural Sciences State University of Surabaya, Surabaya) Noor Cholies Zaini(Faculty of Pharmaceutical Sciences, Airlangga University,Jl.Darmawangsa Dalam Surabaya) Motoo Tori(3Faculty of Pharmaceutical Sciences, Tokushima Bunri University,Yamashiro-cho,Tokushima 770)
Article Info
Publish Date 14 Jun 2010
Abstract
A flavonoid compound in flavonol type namely kaemferol was isolated from the ethyl acetate fraction of the methanol extract of the fern Chingia sakayensis (Zeiller) Holtt's leaves. The DPPH free radical scavenger activity of kaemferol was stronger than buthyl hyroxy toluene (BHT) but it was weaker than ascorbic acid (vitamin C) and -tocopherol (vitamin E).
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