Some Analytical Observations of Autoxidation Products of Linoleic Acid and Their Thiobarbituric Acid Reactive Substances
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概要
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Autoxidation products of linoleic acid (LA) were analyzed, when the weight became 1.14-fold under the autoxidation conditions of satisfactory atmospheric oxygen, at 37°C, in the dark, for 7 days. The LA absorbed 2.8mol of oxygen to form secondary degradation products. This autoxidized LA consisted of 45% intact substance, 22% a mixture of polymers and endoperoxides, 18% LA hydroperoxides, 3% polar products, 1.7% azelaldehydeic acid, 1.3% hexanal, 0.9% azelaic acid, 0.6% octanoic acid, 0.3% suberaldehydeic acid, and so on. Thus, unstable 2, 4-dienoic carbonyls were the main intermediate products of autoxidation of LA. Therefore, malonaldehyde was not a main product nor a major thiobarbituric acid reactive substance.
著者
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Kanazawa Kazuki
Department Of Agricultural Chemistry Faculty Of Agriculture Kobe University
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Natake Masato
Department Of Agricultural Chemistry Faculty Of Agriculture The Graduate School Of Science And Techn
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Danno Gen-ichi
Department Of Agricultural Chemistry Kobe University
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KANAZAWA Kazuki
Department of Agricultural Chemistry, Kobe University
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