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KMID : 1134819990280061310
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Journal of the Korean Society of Food Science and Nutrition
1999 Volume.28 No. 6 p.1310 ~ p.1315
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Antioxidative Activities and Contents of Polyphenolic Compound of Cudrania tricuspidata
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Cha Jae-Young
Kim Hyun-Jung
Churg Chung-Han
Cho Young-Su
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Abstract
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Polyphenolic compounds widely occurring in the traditional medicine plants have been reported to possess strong antioxidant activity. The antioxidative substances of water soluble extract from leaves, stem bark, root bark and fruit powder of Cudrania tricuspidata were tested in three different in vitro experimental models. In oxidation models using DPPH(α, α’-diphenyl-β-picrylhydrazyl) method, Fe^(2+)induced linoleic acid peroxidation, and autooxidation of hepatic microsomal membranes, the anti oxidative activities of water soluble extract from stem bark were strong than that from leaves and root bark. Fruits of Cudrania tricuspidata contained the highest amounts of polyphenolic compounds among the parts of this plant. The changes in polyphenolic compound contents of fruit powder caused by heat treatment (20℃, 40℃, and 60℃) were also monitored. After water blanching, contents of phenolic compounds was increased slightly in the following order; 20℃(1454㎎), 40℃(1487㎎), and 60℃(1511㎎). These results supports that water soluble extracts from Cudrania tricuspidata contain antioxidative compounds.
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KEYWORD
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Cudrania tricuspidata, polyphenolic compound, antioxidation, DPPH
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