文献类型: 外文期刊
作者: Jiang, Ning 1 ; Liu, Chunquan 1 ; Li, Dajing 1 ;
作者机构: 1.Jiangsu Acad Agr Sci, Inst Proc Agr Prod, Nanjing, Jiangsu, Peoples R China
关键词: sweet corn;enzymolysis liquid;spray drying;glass transition temperature;response surface methodology
期刊名称:INTERNATIONAL JOURNAL OF FOOD ENGINEERING ( 影响因子:1.713; 五年影响因子:1.637 )
ISSN: 2194-5764
年卷期: 2015 年 11 卷 3 期
页码:
收录情况: SCI
摘要: The aim of this study was to optimize the spray drying process parameters for sweet corn enzymolysis liquid concentrate (SCELC). Experimental design with inlet temperature (170-190 degrees C), SCELC/maltodextrin (MD) ratio (0.25-4) and inlet feed rate (800-1000 mL h(-1)) as independent variables was studied to investigate the effects on product responses. The corresponding results showed that an increase in the inlet temperature resulted in sweet corn powder with lower moisture, bulk density, L-star value, H degrees value and higher water solubility index. Meanwhile, an increase in MD ratio brought lower moisture and higher L-star value, H degrees value, water solubility index. It was also found that an increase in the inlet feed rate caused higher moisture and lower water solubility index. The highest production yield was achieved at 42.86% with optimized inlet temperature of 177.66 degrees C, SCELC/MD ratio of 0.84 and inlet feed rate of 834.50 mL h(-1). Accordingly, the production yield, moisture content, bulk density, water solubility index, L-star and H degrees value were 42.86%, 3.57%, 0.45 g/cm(3), 96.54 g/100 g, 84.46, and 83.54, respectively.
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