Tuning multi-purpose glycerol-based deep eutectic solvents for biocatalytic deacidification of high-acid rice bran oil: Kinetics, mechanism, and inhibition of side glycerolysis

文献类型： 外文期刊

第一作者： Zhou, Pengfei

作者： Zhou, Pengfei;Liu, Weiqi;Liu, Guang;Zhao, Zhihao;Wei, Zhencheng;Zhang, Yan;Tang, Xiaojun;Li, Ping;Deng, Yuanyuan;Zhang, Mingwei;Zhou, Pengfei;Zhang, Yan;Zhang, Mingliang;Guo, Zheng;Zhang, Mingliang;Guo, Zheng;Deng, Yuanyuan;Zhang, Mingwei

作者机构：

关键词： Deep eutectic solvents; Glycerol; Biocatalysis; Rice bran oil; Deacidification

期刊名称：LWT-FOOD SCIENCE AND TECHNOLOGY （ 影响因子：6.0； 五年影响因子：6.0 ）

ISSN： 0023-6438

年卷期： 2023 年 189 卷

页码：

收录情况： SCI

摘要： Developing an effective deacidification process to utilize high-acid rice bran oil (HRBO) for the production of high-quality and value-added edible products remains challenging. In this study, we developed a novel, multipurpose, and sustainable lipase-deacidification system for HRBO utilization in glycerol-based deep eutectic solvents (DESs), resulting in a 94.5% deacidification efficiency and simultaneously prevented the glycerolysis side reaction. Importantly, the enzymatic kinetics were investigated in comparison with choline chloride/glycerol DESs and the pure glycerol system. In addition, the underlying mechanism of inhibition accompanied by glycerolysis side reaction in the enzymatic-deacidification of HRBO was proved by molecular docking simulations. We believe our findings demonstrate the potential of glycerol-based DESs as a highly efficient, sustainable, and recyclable solution for the deacidification of edible oils.

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