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
作者： Zhou, Pengfei 1 ; Liu, Weiqi 1 ; Zhang, Yan 1 ; Liu, Guang 1 ; Zhao, Zhihao 1 ; Zhang, Mingliang 2 ; Wei, Zhencheng 1 ; Zhang, Yan 1 ; Tang, Xiaojun 1 ; Li, Ping 1 ; Deng, Yuanyuan 1 ; Zhang, Mingwei 1 ; Guo, Zheng 2 ;
作者机构： 1.Guangdong Acad Agr Sci, Sericulture & Agrifood Res Inst, Key Lab Funct Foods Minist Agr & Rural Affairs, Guangdong Key Lab Agr Prod Proc, Guangzhou 510610, Peoples R China
2.Aarhus Univ, Fac Tech Sci, Dept Biol & Chem Engn, Gustav Wieds Vej 10, DK-8000 Aarhus, Denmark
3.Fujian Normal Univ, Coll Life Sci, Fuzhou 350117, Peoples R China
4.Aarhus Univ, Fac Tech Sci, Dept Biol & Chem Engn, DK-8000 Aarhus, Denmark
5.Sericulture & Agrifood Res Inst, Guangdong Acad Agr Sci, Guangzhou 510610, Peoples R China
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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