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尤登弗德体系中亚油酸的氧化反应。

The oxidation of linoleic acid in the Udenfriend's system.

作者信息

Wakizaka A, Imai Y

出版信息

Hokkaido Igaku Zasshi. 1974 Nov;49(6):536-47.

PMID:4478895
Abstract

The autocatalytic oxidation of linoleate was observed in the incubation mixture containing ferrous ion and ascorbic acid as the catalysts (Undenfriend's system). The rate of oxidation of linoleate was estimated wither by the TBA method, iodometry or by the measurement of the absorbance at 235 nm. Reaction products were analyzed by TLC, GLC and UV-, IR-, NMR- and mass spectrometries. The main oxidized products were assumed to have one oxygen atom at the position of carbon 9 or 13 of linoleate or two oxygen atoms at the both positions of the original acid. The conjugated double bond was formed at carbon 10 and 12 of the carbon chain of linoleate.

摘要

在含有亚铁离子和抗坏血酸作为催化剂的孵育混合物(温登弗伦德体系)中观察到亚油酸酯的自动催化氧化。亚油酸酯的氧化速率通过TBA法、碘量法或通过测量235nm处的吸光度来估算。反应产物通过薄层色谱法(TLC)、气相色谱法(GLC)以及紫外、红外、核磁共振和质谱分析。主要氧化产物被认为是在亚油酸酯的碳9或碳13位置有一个氧原子,或者在原酸的两个位置都有两个氧原子。在亚油酸酯碳链的碳10和碳12处形成共轭双键。

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