Antioxidative Activity of the Blue Pigment Formed in a D-Xylose-Glycine Reaction System(Food & Nutrition Science)
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概要
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A blue compound was prepared from 1 M D-xylose and 0.1 M glycine, and designated Blue-M1, an intermediate color product of melanoidins. As melanoidins are well known to have antioxidative activity as well as high scavenging activity against active oxygen species, the antioxidative activity of Blue-M1 against the peroxidation of linoleic acid was investigated, in addition to the scavenging activity of Blue-M1 toward hydroxyl and DPPH radicals. Blue-M1 suppressed the peroxidation of linoleic acid as effectively as melanoidins did. The scavenging activity of Blue-M1 toward hydroxyl and DPPH radicals was also as strong as that of melanoidins. Blue-M1 showed higher activity with increasing concentration. The pyrrolopyrrole ring and a methine bridge between two pyrrolopyrrole rings in Blue-M1 could be related to the ability for radical scavenging activity, but not four caraboxyl groups.
- 2003-01-23
著者
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Hayase Fumitaka
Department Of Agricultural Chemistry Faculty Of Agriculture Meiji University
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SHIZUUCHI Satomi
Department of Agricultural Chemistry, Faculty of Agriculture, Meiji University
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Shizuuchi Satomi
Department Of Agricultural Chemistry Faculty Of Agriculture Meiji University
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