Abstract Title:

Antioxidant, DNA protective efficacy and HPLC analysis of Annona muricata (soursop) extracts.

Abstract Source:

J Food Sci Technol. 2015 Apr ;52(4):2328-35. Epub 2014 Feb 25. PMID: 25829616

Abstract Author(s):

V Cijo George, D R Naveen Kumar, P K Suresh, R Ashok Kumar

Article Affiliation:

V Cijo George


Annona muricata is a naturally occurring edible plant with wide array of therapeutic potentials. In India, it has a long history of traditional use in treating various ailments. The present investigation was carried out to characterize the phytochemicals present in the methanolic and aqueous leaf extracts of A. muricata, followed by validation of its radical scavenging and DNA protection activities. The extracts were also analyzed for its total phenolic contents and subjected to HPLC analysis to determine its active metabolites. The radical scavenging activities were premeditated by various complementary assays (DRSA, FRAP and HRSA). Further, its DNA protection efficacy against H2O2 induced toxicity was evaluated using pBR322 plasmid DNA. The results revealed that the extracts were highly rich in various phytochemicals including luteolin, homoorientin, tangeretin, quercetin, daidzein, epicatechin gallate, emodin and coumaric acid. Both the extracts showed significant (p < 0.05) radical scavenging activities, while methanolic extract demonstrated improved protection against H2O2-induced DNA damage when compared to aqueous extract. A strong positive correlation was observed for the estimated total phenolic contents and radical scavenging potentials of the extracts.Further HPLC analysis of the phyto-constituents of the extracts provides a sound scientific basis for compound isolation.

Study Type : In Vitro Study

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