Influence of Operating Parameters on Physicochemical Properties of Fruit Juice Powders Produced by Spray Drying

Abstract:

This paper investigated the influence of operating parameters such as inlet air temperature, compressed air flow rate, concentration of carrier agent and type of carrier on the physicochemical properties of fruit juice powders produced by spray drying.The results indicated that increasing inlet air temperature resulted in the larger size particles with smoothly spherical appearance, and to lower bulk density and moisture content. The bulk density of powders also decreased with increasing carrier agent concentration, decreasing compressed air flow rate. The higher feed flow rate negatively affected process yield and positively influenced moisture content, and occurring the wall deposition easily. Additionally, the anthocyanin retention mainly depends on the inlet air temperature and type of carrier. Moreover, the novel methods and ideas to this problem in the next studies were presented.

• Periodical: Advanced Materials Research (Volumes 941-944)
• Pages: 1196-1200
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.941-944.1196
• Online since: June 2014
• Authors: Li Li Zhang*, Chuan Chuan Ma
• Keywords: Carrier Agent, Fruit Juice Powders, Physicochemical Properties, Spray Drying

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