タンニンと共存物質との相互作用の効果(第1報)アスコルビン酸のCu(II)触媒自動酸化に対するタンニンの抑制効果
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概要
- 論文の詳細を見る
Inhibitory effects of tannins on copper (II)-catalyzed autoxidation of ascorbic acid were examined. Tannic acid JP and geraniin were shown to be much more effective than the related polyphenols of smaller molecules, gallic acid and pyrogallol etc. Geraniin showed a stronger antioxidative effect than tannic acid JP. This result is attributable to the possible chelation between the potential triketone moiety in geraniin, and the metal ion. The quantitative analysis of ascorbic acid in the reaction mixture was carried out by dual-wavelength thin-layer chromatography-densitometry which gave reproducible results in the presence of polyphenols.
- 公益社団法人日本薬学会の論文
- 1981-08-25
著者
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吉田 隆志
Department Of Pharmacognosy College Of Pharmaceutical Sciences Matsuyama University
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吉田 隆志
岡山大学薬学部
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奥田 拓男
岡山大学薬学部生薬学教室
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奥田 拓男
岡山大学薬学部
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児山 恵
岡山大学薬学部
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