期刊论文

中文

中国油脂

1003-7969

2023

48

05

56-61+68

10.19902/j.cnki.zgyz.1003-7969.220118

湖北省重大科技创新专项“米糠油精深加工关键技术研发”(2019ABA105)。

本校为第一机构

为提高1,3-二油酸-2-棕榈酸甘油三酯(OPO)的含量,以化学酯交换联合酶法酸解反应制备的OPO为原料,采用单因素实验和正交实验考察干法分提条件(结晶温度、冷却速率、养晶时间)对OPO含量及提升率、sn-2位棕榈酸(P...展开更多 为提高1,3-二油酸-2-棕榈酸甘油三酯(OPO)的含量,以化学酯交换联合酶法酸解反应制备的OPO为原料,采用单因素实验和正交实验考察干法分提条件(结晶温度、冷却速率、养晶时间)对OPO含量及提升率、sn-2位棕榈酸(PA)占总PA含量及提升率和分提液油得率的影响,确定干法分提的最优工艺条件。结果表明,干法分提的最优工艺条件为结晶温度6℃、冷却速率4℃/h、养晶时间3 h,在此条件下OP...

In order to improve the content of 1,3-dioleoyl-2-palmitoylglycerol(OPO),OPO prepared by chemical transesterification combined with enzymatic acid digestion reaction was used as raw material,the effects of dry fractionation conditions(crystallization temperature,cooling...MORE In order to improve the content of 1,3-dioleoyl-2-palmitoylglycerol(OPO),OPO prepared by chemical transesterification combined with enzymatic acid digestion reaction was used as raw material,the effects of dry fractionation conditions(crystallization temperature,cooling r...