Oxidation of Ethanol Induced by Simple Polyphenols:Prooxidant Property of Polyphenols

Takao Inui; Koichi Nakahara; Masaaki Uchida

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Oxidation of Ethanol Induced by Simple Polyphenols:Prooxidant Property of Polyphenols

机译：简单多酚诱导的乙醇氧化：多酚的抗氧化性能

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The aerobic oxidation of ethanol to acetaldehyde in water is induced by simple polyphenols,such as pyrogallol or catechol,in the presence of FeSO_4-DTPA(N,N,N',N",N"-diethylenetriaminepentaacetic acid)catalyst.The amount of acetaldehyde formed becomes an indicator of their "prooxidant" ability in terms of the activation of O_2.The "prooxidant" ability of pyrogallol is higher than that of catechol.Electron-withdrawing substituents decrease the ability,whereas electron-donating ones enhance it.The "prooxidant" property is exhibited by the total consequence of two processes:hy-droxyl radical(*OH)generation from O_2 and its capture by phenolic compounds.

机译：在FeSO_4-DTPA（N，N，N'，N“，N” -N“-二亚乙基三胺五乙酸）催化剂的存在下，简单的多酚（例如邻苯三酚或邻苯二酚）将乙醇在水中好氧氧化为乙醛。形成的乙醛就其O_2的活化而言是其“促氧化剂”能力的指标。邻苯三酚的“促氧化剂”能力高于邻苯二酚。吸电子取代基会降低该能力，而给电子取代基会增强该能力。 “促氧化剂”特性表现为两个过程的总结果：从O_2生成氢二羟自由基（* OH）并被酚类化合物捕获。

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《Bulletin of the Chemical Society of Japan》 |2004年第6期|共7页
作者
Takao Inui; Koichi Nakahara; Masaaki Uchida;
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中图分类化学;
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1. Oxidation of Ethanol Induced by Simple Polyphenols:Prooxidant Property of Polyphenols [J] . Takao Inui, Koichi Nakahara, Masaaki Uchida Bulletin of the Chemical Society of Japan . 2004,第6期

机译：简单多酚诱导的乙醇氧化：多酚的抗氧化性能
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6. Green Tea Polyphenols Function as Prooxidants To Activate Oxidative-Stress-Responsive Transcription Factors in Yeasts [O] . Kazuhiro Maeta, Wataru Nomura, Yoshifumi Takatsume, 2007

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7. Green Tea Polyphenols Function as Prooxidants To Activate Oxidative-Stress-Responsive Transcription Factors in Yeasts▿ [O] . Maeta, Kazuhiro, Nomura, Wataru, Takatsume, Yoshifumi, 2006

机译：绿茶多酚作为氧化剂激活酵母中的氧化应激反应转录因子

Oxidation of Ethanol Induced by Simple Polyphenols:Prooxidant Property of Polyphenols

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