Abstract:This paper presents an optimization study of gallic acid and queretin extraction from Phyllanthis niruri by using response surface methodology. Gallic acid and quercetin was extracted with the aid of sonication and the polyphenols content was analyzed using Ultra Performance Liquid Chromatography (UPLC). The effect of extraction time, amplitude and ethanol concentration on the yield of gallic acid and quercetin were investigated. The optimum gallic acid yield (10.43 ± 0.28 mg GA/g DW) was found in ethanol conc… Show more
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