Natural Antioxidants. III. Antioxidative Components Isolated from Rhizome of Curcuma longa L.

概要

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Antioxidative components in the methanol extract of the rhizome of Curcuma longa L. were investigated by using our evaluation method based on the air oxidation of linoleic acid. Curcuminoids such as curcumin, 4-hydroxycinnamoyl (feruloyl) methane and bis (4-hydroxy-cinnamoyl) mehtane were found to be active components. Curcumin was the most active component and its 50% inhibitory concentrations for the air oxidation of lineleic acid were 1.83×10^<-2>% (thiobarbituric acid value) and 1.15×10^<-2>% (peroxide value). These values of curcumin are superior to those of dl-α-tocopherol.
関西鍼灸大学の論文
1986-04-01