摘要
以珍珠油杏杏仁为原料制备蛋白饮料,采用单因素实验和响应面试验优化杏仁蛋白饮料的喷雾干燥工艺。喷雾干燥时选用的助干剂为麦芽糊精,杏仁蛋白饮料喷雾干燥最佳浓度为20%,杏仁蛋白饮料喷雾干燥最佳工艺条件为:进风压力为23KPa,进风温度为120℃,进料速度为6mL/min,助干剂用量为4%,得粉率达到29.51%。此工艺条件下制得的杏仁粉末细腻均匀、无结块现象;杏仁粉末颗粒的溶解速度为15s,溶解性较佳。
Protein beverage was prepared from Pearl oil apricot kernel,and single factor test and response surface test were used to optimize the spray drying technology of almond protein beverage. The optimum concentration of spray drying for spray drying is malt dextrin. The optimum concentration of spray drying for apricot protein drinks is 20%. The optimum technological conditions for spray drying of almond protein beverage are as follows: the air inlet pressure is 23 KPa,the air inlet temperature is 120℃,the feeding speed is 6mL/min,the dosage of the auxiliary agent is 4%,and the powder rate reaches 29.51%. The dissolution rate of almond powder prepared under this technological condition is15 s,the powder is fine and homogeneous without caking phenomenon and it is of good solubility.
引文
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