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IN-VITRO ANTIOXIDANT ACTIVITY AND PHYTOCHEMICAL STUDIES OF BOERHAAVIA DIFFUSA LINN. ROOTS.

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Author(s): K. S. Shisode

Journal: International Journal of Pharmaceutical Sciences and Research
ISSN 0975-8232

Volume: 2;
Issue: 12;
Start page: 3171;
Date: 2011;
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Keywords: Boerhaavia diffusa L.. | Phytochemical analysis | Antioxidant activity | DPPH | Polyphenol oxidase | Reducing power

ABSTRACT
The present study was carried out to evaluate the antioxidant activity and phytochemical constituents of Boerhaavia diffusa Linn. (Nyctaginaceae) dried roots. The root extracts were prepared with chloroform, ethanol and water and screened for in vitro antioxidant activities by using assay of DPPH radical scavenging, antiproteolytic activity, polyphenol oxidase inhibition, hydroperoxide inhibition and ferric reducing power. The activity was compared with standard antioxidant like quercetin, salicylic acid, L-cysteine and ascorbic acid. Among these three extracts, ethanol extract has shows better antioxidant activity as compared to remaining two. Phytochemical screening of Boerhaavia diffusa L. root powder revealed the presence of carbohydrates, saponins, proteins, flavonoids, steroids, fats and alkaloids.
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