Design of functional glycerol-based deep eutectic solvents as reaction media for enzymatic deacidification of high-acid rice bran oil
文献类型： 外文期刊
作者： Li, Shuting 1 ; Deng, Yuanyuan 2 ; Peng, Junjian 3 ; Liu, Guang 2 ; Zhao, Zhihao 2 ; Wei, Zhencheng 2 ; Zhang, Yan 2 ; Tang, Xiaojun 2 ; Li, Ping 2 ; Hou, Lihua 1 ; Zhou, Pengfei 2 ; Zhang, Mingwei 2 ;
作者机构： 1.Tianjin Univ Sci & Technol, State Key Lab Food Nutr & Safety, Tianjin 300457, Peoples R China
2.Minist Agr & Rural Affairs, Sericultural & Agrifood Res Inst, Guangdong Key Lab Agr Prod Proc, Key Lab Funct Foods,Guangdong Acad Agr Sci, Guangzhou 510610, Peoples R China
3.Jiangsu Famsun Intelligent Technol Co Ltd, Yangzhou 225131, Jiangsu, Peoples R China
关键词： Deep eutectic solvents; Enzymatic deacidification; Rice bran oil; Glycerol; Lipase
期刊名称：BIOCHEMICAL ENGINEERING JOURNAL （ 影响因子：4.446； 五年影响因子：4.455 ）
ISSN： 1369-703X
年卷期： 2022 年 177 卷
页码：
收录情况： SCI
摘要： The effectiveness of deacidification technologies for high-acid rice bran oil (HRBO) are still one of the main challenges in the industrialization process of rice bran oil (RBO). A novel function of glycerol-based deep eutectic solvents (DESs) as an acyl acceptor in combination with lipases for enzymatic esterification of deacidification of HRBO was described in this study. The maximum deacidification efficiency of 92.38% was obtained under the optimized reaction conditions. Molecular docking simulation indicated that the minimum binding energy of Novozym 435 was lower than those of Lipozyme TL IM and Lipozyme RM IM, which might be one of the underlying mechanisms for its better performance. Additionally, gamma-oryzanols, tocopherols and tocotrienols were retained in deacidified RBO. We are convinced that the reusability of biocatalyst and DESs systems provide an alternative strategy to design a facile, environmentally-friendliness DESs towards economic feasibility of applications and processes for oil-refined industries.
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