Research on efficiency of antioxidant in imparting both 5 portions, leaf petiole, เปลือกลำต้น, fruit and seed extract by solvent ethanol. Extract of Phyllanthus emblica test phytochemistry found that all parts are phenolic compound and tannin, except the seeds. Application of aqueous extract of Phyllanthus emblica from samples of both 5 parts to test their ability to antioxidant. It was found that the bleaching, the color of the DPPH. Because the extract of Phyllanthus emblica has antioxidant activity because reaction with DPPH. Purple of DPPH disappeared, and when analyzed by UV-Vis techniques. Spectrophotrometer wavelength 517nm get a concentration of substances absorption of DPPH reduced 50% respectively as follows 38.60 114.93 44.81,,, and, 25.79 249.97 Compared with ascorbic acid is 25.79 and percent inhibition of free radicals, as follows: 64.76 21.75 55.79,,, and, 96.93 10.00 Compared with ascorbic acid is 96.94 from the reliability of the determination of substances ค่าดู fruitful swallow light of DPPH in Phyllanthus emblica samples of both the 5 ranged between 0.16 - 6.62%.
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