可溶性大米蛋白水解液的干燥工艺

目的]对自制的可溶性大米蛋白水解液进行干燥。方法]采用自然干燥法、热风干燥法、真空干燥法和喷雾干燥法。结果]采用喷雾干燥法的效果最好。结论]初步确定了喷雾干燥的主要参数,即固液比为25%～30%,喷头压力为0.6～0.8MPa,进口温度控制在250～300℃,工作压力为5MPa,出口温度控制在80～85℃。

Study on Drying Technology of Rice Soluble Protein

Objective] The research aimed to dry soluble rice protein. Method] Different drying methods of natural drying,hot air drying,vacuum drying and spray dying were adopted. Result] The best method was spray drying. Conclusion] The main parameters were as follows:solid-liquid ratio of 25%-30%,spray pressure of 0.6-0.8 MPa,inlet temperature of 250-300 ℃,working pressure of 5 MPa,export temperature of 80-85 ℃.