【摘要】 利用自制的磷脂酶A2(PLA2)对米糠毛油进行脱胶工艺研究,采用单因素实验及正交实验对PLA2脱胶的工艺条件进行了优化。结果表明,加入2.5 mol/L柠檬酸0.066%处理米糠毛油30min后,再加入5 mol/L的NaOH 0.07%3、%蒸馏水0、.015%PLA2,高速搅拌后,将反应体系静置于45℃下反应2 h,最终脱胶后米糠油中磷含量为9.15 mg/kg,对物理精炼米糠油的顺利进行提供了保障。更多还原

【Abstract】 The rice bran oil degumming by self-made phospholipase A2(PLA2)was studied,and the degumming process conditions were optimized by single factor tests and orthogonal tests.The results showed that the phosphorus content in degummed oil was 9.15 mg/kg,when the crude rice bran oil was treated by 0.066% citric acid(concentration 2.5 mol/L)for 30 min,then 0.07% NaOH(concentration 5 mol/L),3% distilled water and 0.015% PLA2 was added and mixed by high-speed whipping,and the system reacted in static condition at 45℃ for 2 h.更多还原