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  • Total phenolics, flavonoids...
    Chavan, J. J; Jagtap, U. B; Gaikwad, N. B; Dixit, G. B; Bapat, V. A

    Journal of plant biochemistry and biotechnology, 10/2013, Letnik: 22, Številka: 4
    Journal Article

    Salacia chinensis L. has various beneficial properties including antidiabetic and antioxidant activity. The S. chinensis fruit pulp (SCFP) was extracted with four different solvents (Methanol, ethanol, acetone and water) and was screened for total phenolic content (TPC), total flavonoid content (TFC) and antioxidant activity (AOA). The AOA was assessed by evaluating the 1, 1-diphenyl-2-picrylhydrazyl (DPPH), ferric reducing antioxidant power (FRAP) and metal chelating assay. Methanolic SCFP extract exhibited the highest phenolic content (3.20 ± 0.12 mg GAE/g FW) whereas, ethanolic extract showed highest flavonoid content (0.31 ± 0.68 mg RE/g FW). The methanolic extract possesses highest antioxidant activity towards DPPH (92.44 %), FRAP (1.939 O.D) and metal chelating activity (74.16 %). AOA (DPPH and FRAP) was significantly correlated with TPC. The results indicated that SCFP is a good natural source of antioxidant compounds for use in food and pharmaceutical industry.