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- W4291145488 abstract "A comparative evaluation of tannins, flavonoid, phenol quantification and antioxidant potential of aqueous, methanol, n-hexane, acetone and chloroform extracts of Punica granatum leaves were determined. Quantification of phenolic was carried out by the technique of Folin-Ciocalteau, using rutin as standard flavonoids were evaluated through the technique of colorimetry, tannin was measured by the difference of total phenolics and free phenolics assay procedure. Antioxidant activities were evaluated by four standards antioxidant techniques including Superoxide dismutase (SOD)-like activity, Hydrogen Peroxide (H2O2) scavenging activity,1, 1’-diphynyl- 2-picrylhydrazyl (DPPH) activity and Nitric oxide (NO) scavenging activity method using ascorbic acid as standard. The antioxidant activities showed that methanol extract at 500μg/mL calculated maximum DPPH inhibition activity was 78±1%, H2O2 scavenging activity was 90±0%, SOD-like activity was 88±0% and NO scavenging activity was 90±0%. The outcomes indicated the major antioxidant actions were carried out by the extract of methanol; the entire potential was increased in the directive of methanol> chloroform> acetone>aqueous>n-hexane extracts. The results indicate that Punica granatum leaves extracts to have potent antioxidant activities that would have beneficial effects on human health and methanol extracts are superior with better antioxidant potential. The leaves extracts of Punica granatum could be of enormousattention in the enhancement of top value-added secondary products and the appliance of functional and green substitutes in thecosmetics, food and pharma industries." @default.
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- W4291145488 date "2022-08-08" @default.
- W4291145488 modified "2023-09-30" @default.
- W4291145488 title "Comparative evaluation of in vitro antioxidant potential of Punica granatum L. leaves extracts" @default.
- W4291145488 doi "https://doi.org/10.4314/ijest.v14i1.1" @default.
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