Mechanism and Effective Factors of Acyl Migration of Lysophospholipid

文献类型： 外文期刊

第一作者： Zhang Kangyi

作者： Zhang Kangyi;Qu Lingbo;Zhang Kangyi;Zhang Lixia;Wang Xingguo;Liu Yuanfa

作者机构：

关键词： lysophospholipid;acyl migration;mechanism;effective factors

期刊名称：CHINESE JOURNAL OF ORGANIC CHEMISTRY （ 影响因子：1.652； 五年影响因子：1.2 ）

ISSN： 0253-2786

年卷期： 2014 年 34 卷 12 期

页码：

收录情况： SCI

摘要： The specificity hydrolysis Sn-1 fatty acyl of phospholipids by phospholipase A(1) and the phenomenon of acyl migration in Sn-2-lysophosphatidylcholine (Sn-2-LPC) were demonstrated through C-13 NMR, which provided fundamental basis for enzymatic reaction solution of phosphatidylcholine (PC) including Sn-1-lysophosphatidylcholine, Sn-2-LPC, and L-alpha-glycerylphosphorylcholine. Based on the automatic acyl migration mechanism of monoglycerides,,the automatic acyl, migration mechanism of Sn-2-LPC was speculated in the acid condition or alkali condition. The effects of reaction parameters on the acyl migration were then explored, including the polarity of the solution, pH, temperature, substrate concentration, and reaction time. The conditions of low acyl migration were as follows: isopropanol solvent, pH 7 similar to 8, temperature<35 degrees C, defined substrate concentration, shorten reaction time. These results contributed to a data support for the synthesis of acyl mixture of phospholipids, detection of specific phospholipase A(1), and the explanation of biosynthetic pathway (lysophospholipid intermediate) of the production mixed phospholipid.

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