Oxidative Depolymerization of Polysaccharides Induced by the Ascorbic Acid-Copper Ion Systems(Food & Nutrition)
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概要
- 論文の詳細を見る
Oxidative depolymerization of several polysaccharides induced by oxygen radical generating systems such as ascorbic acid-copper ion was investigated by the increases in their reducing powers and by gel-filtration. All polysaccharides used in these experiments were greatly depolymerized within 24 hr at room temperature. We thought that the main factors in the oxidation of these polysaccharides were the actions of hydroxyl radical (・OH) generated from the autoxidation of ascorbic acid. On the other hand, dextrans having molecular weights above 10^3〜10^4 were more susceptible to the oxidation reaction with ・OH than smaller oligosaccharides (MW < 10^3) , and we estimated that the formation of sugars-copper ion complexes was highly important to the oxidative depolymerization of polysaccharides.
- 社団法人日本農芸化学会の論文
- 1986-10-23
著者
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UCHIDA KOJI
Department of Respiratory Medicine, Juntendo University School of Medicine
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Uchida Koji
Graduate School Of Bioagricultural Sciences Nagoya University
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KAWAKISHI Shunro
Department of Food Science and Technology, Nagoya University
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Uchida Koji
Department Of Food Science & Technology Nagoya University
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Uchida K
Soy Sauce Research Laboratory Kikkoman Corp.
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Kawakishi Shunro
Department Of Food And Nutrition Sugiyama Jogakuen University
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