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Research Article Open access CC BY 3.0

Dpph Radical Scavenging Activity and Phenolic Compound Content in Leaf Extracts from Raspberries

Aezam Rezaee Kivi, Nasrin Sartipnia

Annual Research & Review in Biology · pp. 4174–4180 · Published 30 Jul 2014

10.9734/ARRB/2014/11269

Abstract

The objective of this study was to examine DPPH scavenging assays to determine the antioxidant activity of three species of raspberry leaves (Rubus hyrcanus Juz, R. caesius L., and R. astarae Gili). We tested three different solvents (methanolic, water, methanolic-water) to determine their extraction efficiency. The quality of the obtained extracts was affected mainly by the solvent used for extraction. For all tested Rubus species, activity at a given concentration was highest for the water extracts (IC50 = 228.0-163.0µg/ml).The most effective of the studied species was R. hyrcanus. The results for total content of phenolic compounds were in the range of 71.38 –138.31mg GAE/g. The study confirmed a strong correlation between antioxidant activity and the content of phenolic compound in the extracts.

Raspberry leaves extracts total phenol antioxidant capacity

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