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KMID : 0380619900220070793
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Korean Journal of Food Science and Technology
1990 Volume.22 No. 7 p.793 ~ p.798
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Antioxidative Components of Pueraria Root
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Abstract
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As a search for natural antioxidants, antioxidative fractions in pueraria root were extracted and identified using column chromatography, thin layer chromatography and high performance liquid chromatography. Components which have most effective antioxidative activities were futher identified by IR and GC/MS. The strongest antioxidative component of pueraria root methanol extract was identified as puerarin. Puerarin obtained from pueraria root was practically effective as antioxidant at the level of 100 ppm. Antioxidative activity of the puerarin was higher in linoleic acid-water system than in a linoleic acid substrate. Puerarin, daidzin and daidzein contents in pueraria root juice were 0.39%, 0.45% and 0.03%, respectively.
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