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Research on antioxidant activity of the sorghums with different color pericarp

Wang Hua

Abstract

The total phenols,DPPH free radical scavenging ability and ABTS free radical scavenging ability of the sorghums with different color pericarp were determined.The article purpose was to analyze how the total phenols was affected by the pericarp color in sorghums;and if there was a linear correlation between the total phenols and antioxidant activity that was observed by DPPH and ABTS.The results showed that pericarp color was not a reliable indicator of the total content in sorghums.Scavenging ablility to DPPH and ABTS increased proportionally to the total phonols in the sorghums.Positive linear correlation were observed(total phenols vs DPPH,r=0.883 1;total phenols vs ABTS,r=0.915 1).

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Available abstract

Key concepts: DPPH, Phenols, ABTS, Chemistry, Antioxidant, Food science, Linear correlation, Scavenging