alexa Antioxidant and anti-quorum sensing activities of green pod of Acacia nilotica L.


Journal of Experimental Food Chemistry

Author(s): Singh BN, Singh BR, Singh RL, Prakash D, Sarma BK, , Singh BN, Singh BR, Singh RL, Prakash D, Sarma BK,

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Abstract The antioxidant and anti-quorum sensing activities of eight extracts were studied in green pods of Acacia nilotica. The specific phenolic compositions and their quantifications were performed by HPLC and MS/MS, which showed that the HEF (pH 4) was higher in gallic acid, ellagic acid, epicatechin, rutin, and GTs. In order to find antioxidant potential of various extracts, their activities were studied for TPC, AOA, FRSA, RP, inhibition of LPO, FIC activity, HO* and O(2)(-) scavenging activities. Among them HEF (pH 4) has shown potent antioxidant activity. HEF (pH 4) was also found effective in protecting plasmid DNA and HAS protein oxidation induced by HO*. Pre-treatment of HEF (pH 4) at 75 and 150 mg/kg body weight for 6 days caused a significant increase in the levels of CAT and SOD and decrease in the level of MDA content in liver, lungs, kidneys and blood when compared to CCl(4)-intoxicated rats. Eventually, the extracts were also screened for anti-QS activity. Of these extracts two showed QS inhibition: HEF (pH 4) and HCE. The results obtained strongly indicate that green pod of A. nilotica are important source of natural antioxidants. This article was published in Food Chem Toxicol and referenced in Journal of Experimental Food Chemistry

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