以盐析法制备的低嘌呤豆浆为原材料,在单因素试验的基础上,通过L9(34)正交试验设计优化喷雾干燥工艺条件,制得低嘌呤豆浆速溶粉,并对其进行品质评价。结果表明,最佳喷雾干燥条件为进口温度185℃,进料流量16 m L/min,固形物含量为10%,平均干粉得率为66.13%;低嘌呤豆浆速溶粉平均总嘌呤含量为100.34 mg/100 g,总嘌呤含量降低了48.80%;感官指标、理化指标和微生物指标均符合相关标准要求。
【英文摘要】
Instant soybean milk powder was prepared by using soybean as raw material to prepare low purine instant soy milk and spaying dry method. The process was optimized by L_9(3~4) design. The quality of the prepared soy milk powder was also evaluated. The best inlet temperature was 185 ℃,the feed rate was 16 m L/min,the solid content was 10%,the dry powder rate was 66. 18%,the total purine content was 100. 34 mg/100 g,reduced by48. 80%. Meanwhile the sensory,physicochemical and microbiological indexes all meet t...
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