Reaction of 8a-Hydroperoxy Tocopherones with Ascorbic Acid
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概要
- 論文の詳細を見る
8a-Hydroperoxy tocopherones, prepared from the photooxidation of α-, γ- and δ-tocopherols, were allowed to react with ascorbic acid in ethanol. The hydroperoxy tocopherones were reduced to 8a-hydroxy and 8a-ethoxy tocopherones which in turn were reduced to tocopherols by ascorbic acid. The tendency of the hydroperoxy tocopherones to form tocopherols during the reaction correlated with vitamin E activities of tocopherols. The results indicate that α-tocopherol and ascorbic acid can act synergistically on the quenching of 1O2. The inhibitory effects of α-tocopherol and ascorbic acid were examined on the chlorophyll-sensitized photooxidation of methyl linoleate and soybean oil. At the initial stage of the oxidation, the inhibitory effect of α-tocopherol was lengthened in the presence of ascorbic acid.
- 社団法人 日本農芸化学会の論文
著者
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Kato Koji
Department Of Hematology Aomori Prefectural Central Hospital
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Yamauchi R
Gifu Univ. Gifu Jpn
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Yamauchi Ryo
Department Of Molecular Chemistry And Engineering Faculty Of Engineering Tohoku University
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Yamauchi Ryo
Department Of Applied Life Science Faculty Of Applied Biological Sciences Gifu University
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UENO Yoshimitsu
Department of Food Science, Faculty of Agriculture, Gifu University
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Kato Koji
Department Of Applied Life Science Faculty Of Applied Biological Sciences Gifu University
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UENO Yoshimitsu
Department of Agricultural Chemistry, Faculty of Agriculture, Gifu University
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