【摘要】 采用浸提法从黄玉米中提取天然色素玉米黄。实验选择了浸提溶剂 :无水乙醇与石油醚重量比为 1∶ 4的混合溶剂 ;找出了色素提取的最佳条件 :溶剂与玉米粉的重量比例为 2∶ 1 ,浸提时间为 1 .5h,浸提温度为 55℃ ,浸提次数为二次。初步设计出了成品色素生产的工艺流程。更多还原

【Abstract】 This thesis is on the extraction process of natural maize pigment from yellow maize.Commercial product flow chart is designed under the optimal experimental operation conditions.The extraction process is to take 1 weight of maize powder into 2 weights of solvent extracting 1.5 hours at 55℃.Each was extracted two times.The solvent composed 1 weight of ahydrate alcohol and 4 weights of petroleum ether.更多还原