Numerous antioxidant methods and modifications have been proposed to evaluate antioxidant activity and to explain how antioxidants function. Of these, total antioxidant activity, reducing
power, DPPH assay, metal chelating, active oxygen species such as H_2 O_2 O_2 ; , and OH. quenching assay are most commonly used for the evaluation of antioxidant activities of extracts (Chang,Yen, Huang, & Duh, 2002)
Numerous antioxidant methods and modifications have been proposed to evaluate antioxidant activity and to explain how antioxidants function. Of these, total antioxidant activity, reducingpower, DPPH assay, metal chelating, active oxygen species such as H_2 O_2 O_2 ; , and OH. quenching assay are most commonly used for the evaluation of antioxidant activities of extracts (Chang,Yen, Huang, & Duh, 2002)
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