Effect of L-Ascorbic Acid and its Related Derivatives on the Peroxidation of Linoleic Acid in Neutral Buffer Solution
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概要
- 論文の詳細を見る
Catalysis of the peroxidation of linoleic acid (LA) by L-ascorbic acid (AsA) and some of its derivatives was studied by examination of the formation of conjugated dienes in a neutral buffer containing alcohol. The 3, 4-endiol form of 2, 3-diketo-L-gulono-δ-lactone, arising from 2, 3-diketo-L-gulonic acid (DKG), was found in the reaction mixtures when the concentration of DKG was high (4mM). This product suppressed LA peroxidation, as AsA does. 2-0-Octadecyl-AsA also suppressed LA peroxidation. With 0.1% sodium dodecyl sulphate in the reaction mixture, the degree of LA peroxidation was intermediate to that with 10% EtOH and that with 20%. The addition of Fe^<++> or Cu^<++> accelerated LA peroxidation. Both EDTA and deferoxamine mesylate suppressed the LA peroxidation catalyzed by AsA, but in their presence, dehydro-L-ascorbic acid had no effective suppression.
- 大阪府立大学の論文
- 1990-03-31
著者
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TAKAGI Masanosuke
Laboratory of Food Chemistry, College of Agriculture, University of Osaka Prefecture
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Hata Masayuki
Laboratory Of Food Chemistry College Of Agriculture
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Morita Naofumi
Laboratory Of Food Chemistry Graduate School Of Agriculture And Biological Sciences Osaka Prefecture
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Morita Naofumi
Laboratory Of Applied Microbiology College Of Agriculture:(present Address)department Of Pharmacolog
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IKEDA Makoto
Laboratory of Food Chemistry, College of Agriculture
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Takagi Masanosuke
Laboratory Of Biophysical Chemistry College Of Agriculture
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Ikeda Makoto
Laboratory Of Food Chemistry College Of Agriculture
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