Effects of 2,3-Diketo-L-gulonic Acid on the Oxidation of Yolk Lipoprotein
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概要
- 論文の詳細を見る
2,3-Diketo-L-gulonic acid (DKG) is an important intermediate product of oxidative degradation of L-ascorbic acid (AsA) in both biological and food systems, but the physiological function of DKG is still unclear. In this study, it was found that DKG had a strong antioxidative effect on copper-dependent oxidative modification of yolk lipoprotein (YLP), on the basis of both the decreased electrophoretic mobility and longer lag time of conjugated diene formation in a concentration-dependent manner. DKG is known to be very unstable and easily converts into two δ-lactones of DKG, the 3,4-enediol form of DKG δ-lactone (3,4-DKGL) and 2,3-enediol form of DKG δ-lactone (2,3-DKGL) depending on both pH and temperature. 3,4-DKGL was thought to be the first degradation product of DKG and could play an antioxidative role in the oxidation of lipoproteins induced by copper ion or peroxyl radicals in neutral aqueous solution.
- 社団法人日本農芸化学会の論文
- 2001-03-23
著者
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Li Meihua
Institute Of Environmental Science For Human Life Ochanomizu University
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Li Meihua
国立循環器病センター研究所
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SUZUKI Emiko
Department of Human Biological Studies, Ochanomizu University
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KURATA Tadao
Institute of Environmental Science for Human Life, Ochanomizu University
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Kurata Tadao
Institute Of Environmental Science For Human Life Ochanomizu University
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Suzuki E
Department Of Nutrition And Food Sciences Ochanomizu University
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Suzuki Emiko
Department Of Human Biological Studies Ochanomizu University
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SUZUKI Emiko
Department of Human Biological Studies
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KURATA Tadao
Institute of Environmental Science for Human Life
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SUZUKI Emiko
Department of Food and Nutrition, Ochanomizu University
関連論文
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