【摘要】 利用乳化萃取设备 ,乙醇为溶剂 ,进行固液抽提于大豆磷脂中制备磷脂酰胆碱。通过正交实验得出优化的分离条件为 :抽提时间 10min ;抽提温度 - 10℃ ;磷脂 乙醇比 2 5g 30 0mL ;乙醇浓度 95 %。HPLC分析结果表明 :抽提后产品中磷脂酰胆碱的含量可以从原料中的 18.9%提高到 6 9.6 %。更多还原

【Abstract】 A new separation process was developed for the fractionation of soya lecithin with high phosphatidylcholine (PC) content using emulsification extraction. Granule lecithin was used as raw material and ethanol was used as the solvent. The optimal condition was established by orthogonal design. The extraction time is 10 min; extraction temperature is -10℃; phospholipids/solvent is 25 g in 300 mL; the concentration of ethanol is 95%. Under the optimal conditions, the PC content of soya lecithin was increased from 18.9% to 69.6%.更多还原