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Absorbance of DPPH in isooctane has been developed to determine the degree of lipid oxidation and antioxidant capacities in lipid systems. Lard with or without addition of sesamol, a free radical scavenger, was thermally oxidized and absorbance of DPPH in isooctane, conjugated dienoic acid (CDA) values, p-anisidine value (p-AV), and sesamol content were analyzed. Changes of DPPH absorbance in early...
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