Effects of Metal Ions and Radical Scavengers on the Peroxidation of Linoleic Acid Catalyzed by L-Ascorbic Acid and Dehydro-L-Ascorbic Acid
スポンサーリンク
概要
- 論文の詳細を見る
L-Ascorbic acid (AsA) and dehydro-L-ascorbic acid (DHA) were studied for their effects on the peroxidation of linoleic acid (LA) in neutral buffer solution (pH 7) containing alcohol. Ferrous sulfate accelerated the peroxidation of LA catalyzed by both AsA and DHA, but copper ions suppressed the LA peroxidation more or less at any concentration tested, except for the case of 1 μM CuSO_4, 135 μM DHA, 10mM LA, and 20%EtOH in 80mM phosphate buffer. Addition of chelating agents (EDTA and DTPA) to the reaction mixture containing 10% or 20% EtOH suppressed the LA peroxidation very clearly, except for the case of 1 μM EDTA in the reaction mixture containing 180 μM AsA and 10% EtOH. Active oxygen scavenging agents, such as catalase (H_2O_2) and sodium formate (OH) did not prevent LA peroxidation. Therefore, these scavengers do not act directly on the LA peroxidation.
- 大阪府立大学の論文
- 1986-03-31
著者
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HIGASHIOKA Hiroshi
Laboratory of Food Chemistry, College of Agriculture, University of Osaka Prefecture
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TAKAGI Masanosuke
Laboratory of Food Chemistry, College of Agriculture, University of Osaka Prefecture
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Morita N
Osaka Prefecture Univ.
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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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Takagi M
Osaka Prefecture Univ.
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Takagi Masanosuke
Laboratory Of Biophysical Chemistry College Of Agriculture
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TAMURA Kiyoka
Laboratory of Food Chemistry, College of Agriculture
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MIYAMOTO Ikuo
Laboratory of Food Chemistry, College of Agriculture
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Miyamoto Ikuo
Laboratory Of Food Chemistry College Of Agriculture
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Tamura Kiyoka
Laboratory Of Food Chemistry College Of Agriculture
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Higashioka Hiroshi
Laboratory Of Food Chemistry College Of Agriculture
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TAKAGI Masanosuke
Laboratory of Biophysical Chemistry, College of Agriculture
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- Effect of L-Ascorbic Acid and its Related Derivatives on the Peroxidation of Linoleic Acid in Neutral Buffer Solution
- Rheological Properties of Aqueous Solutions of Bacillus subtilis FT-3 Polysaccharide
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- Characterization and Properties of Degradation Products of Dehydro-L-Ascorbic Acid in Aqueous Solution
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- Thin-layer Chromatographic Studies on Quinoxalines Formed from Carbohydrate by the Reaction with o-Phenylenediamine in Alkaline Solution, with Special Emphasis on their Specific Color Development Depending on Substituent Structure
- Changes of Bound Lipids and Composition of Fatty Acids in Germination of Quinoa Seeds
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- Quinoxalines Derived from D-Glucose and O-Phenylenediamine in a Weakly Acidic Medium
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- Further polarographic studies on the condensation products of dehydro-L-ascorbic acid with o-phenylenediamine in acetate buffer, pH 3.6.
- Gas-Liquid Chromatography and Mass Spectrometry of Quinoxalines Derived from Various Homoglucans by Alkaline o-Phenylenediamine Method