Vol - 29, Issue - 01
About the Journal
[This article belongs to Volume - 29, Issue - 01]
International Medical Journal
Journal ID : IMJ-04-01-2022-1146
Total View : 361

Abstract : The impact of extraction condition of antioxidant polyphenol and chlorophyll from species Hydrocotyle asiatica grown in Vietnam was presented in the current study. The extraction condition was studied composed of solvent concentrations (60 to 100 with jump step (δ) of 5) and solvent pH (2 to 10 with δ of 1). Besides the content of polyphenol and chlorophyll, the target function of antioxidant activity was also evaluated based on total antioxidant activity and reducing power activity. The results showed that polyphenol and chlorophyll content and antioxidant activity from Hydrocotyle asiatica were affected by the solvent concentration and solvent pH significantly (p<0.05). The content of polyphenol (3.958±0.028 mg gallic acid equivalent/g DW) and chlorophyll (2.412±0.057 mg/g DW), and the antioxidant activity composed of total antioxidant activity (2.077±0.022 mg ascorbic acid/g DW) and reducing power activity (11.366±0.53 mg FeSO4 equivalent/g DW), was the highest at 95% ethanol and solvent (pH 5), compared to other conditions. Polyphenol, chlorophyll content, and antioxidant activity were changed according to the model of level 2 under the impact of solvent concentration and solvent pH. The results were valuable in the antioxidant polyphenol and chlorophyll extraction for applicating functional food and pharmaceuticals.

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