Abstract
The aim of this study was to assess the in vitro antioxidant activity of solvent extracts prepared from two Indian molluscs viz., Loligo duvauceli Orbigny and Donax cuneatus Linnaeus. For this purpose, several tests were used such as DPPH (2,2-diphenyl-1-picrylhydrazyl), reducing ability and total antioxidant activity. Ethyl acetate extract of Loligo duvauceli showed higher DPPH radical scavenging activity (58%), reducing ability and antioxidant activity (64%) compared to other extracts. All the extracts showed concentration-dependent activity, and increase in concentration increased the antioxidant activities. Therefore, solvent extracts of L. duvauceli and D. cuneatus are rich sources of antioxidants that justify their wide use as natural antioxidants and points out other possible therapeutical uses in the different diseases produced by free radicals.
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