Relationship between antioxidant activity and maturity of peanut hulls
1993
Yen, G.C. | Duh, P.D. | Tsai, C.L.
The effect of varied maturity on the antioxidant activity of peanut hulls was investigated. Methanolic extracts of peanut hulls of varied maturity exhibited a similarly marked antioxidant activity, 92.9-94.8% inhibition of peroxidation of linoleic acid. The content of both luteolin and total phenolics increased significantly with maturity and seemed to show no correlation with antioxidant activity. However, the antioxidant activity remained constant after 1.671 mg/g of hulls of total phenolic content was reached. Total phenolics (1.671 mg/g of hulls) in peanut hulls seemed to be an initial point of maximum antioxidant activity. High total phenolic content in peanut hulls of varied maturity is associated with a high antioxidant activity and with an important role in the stability of lipid oxidation.
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