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《Journal of Anhui Agricultural Sciences》 2014-20
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Optimization of Spray-Drying Process Conditions for Microencapsulated Bacillus cereus

HUANG Le-tian;Guangzhou Institute of Microbiology;  
[Objective]The spray-drying conditions were optimized for increasing the viability of microencapsulated Bacillus cereus by pressure spray-drying.[Method]A experimental design was constructed with air inlet temperature,feed flow rate,nozzle diameter and solid-liquid ratio as the independent variables and total viable counts as the dependent variables.[Result]The optimum spray-drying conditions for the production of maximally viable microencapsulated Bacillus cereus were air inlet temperature 140 ℃,feed flow rate 1. 5 t /h,nozzle diameter 2. 5mm,solid-liquid ratio 1∶ 5,which the survival rate of Bacillus cereus was 81%.[Conclusion]The optimum spray-drying conditions for the production of maximally viable microencapsulated Bacillus cereus was determined.
【Fund】: 广州市民生科技重大专项(201300000067;201300000068)
【CateGory Index】: TS201.3
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