Therefore, researchers are interested in the study of antioxidant activity of extracts from vegetable phwae is a measurement of the amount of phenolic compounds, which are a major source of click antioxidants and antioxidant vitamin d test, pp h. (DPPH radical) of the substance that is extracted from the leaves and stem vegetables phwae to a scientific database in support of the active ingredients in the antioxidant value of phwae vegetables and vegetables to Thailand worth more.
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