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    Secondary metabolites and antioxidant activity of Vitex agnus castus
    (RESEARCH JOURNAL BIOTECHNOLOGY, 2012) Esra, Maltas; Salih, Yildiz
    The antioxidant activity of methanolic extract of Vitex agnus castus was evaluated by beta-carotene-linoleate bleaching assay, DPPH radical scavenging assay and ferric reducing antioxidant power assay. The highest antioxidant activity was observed as 83.69 +/- 0.54% by DPPH radical scavenging assay. Hovewer, several phenolics and fatty acids of the extract were analysed. Data showed that the extract had high amount of caffeic acid with 0.466 +/- 0.021 mg/g and eriodictyol with 0.414 +/- 0.041 mg/g as phenolics and linoleic acid with 42.92% as fatty acid. Results suggested that Vitex agnus castus may be important in nutraceuticals, bio-pharmaceuticals and food additives.