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Effect of Particle Size and Mixing Ratio on Quality of Fluidized Coated Vitamin C  

Park, Su-Jung (Department of Food Science and Technology, Catholic University of Daegu)
Hwang, Sung-Hee (Department of Food Science and Technology, Catholic University of Daegu)
Chung, Hun-Sik (Food and Bio-industry Institute, Kyungpook National University)
Youn, Kwang-Sup (Department of Food Science and Technology, Catholic University of Daegu)
Publication Information
Food Science and Preservation / v.14, no.4, 2007 , pp. 364-368 More about this Journal
Abstract
The purpose of this study was to improve the stability and the processing property of vitamin C. Vitamin C was coated according to particle size(80-100 mesh, 100-140 mesh) and mixing ratio(1:1.6, 1:2.5, 1:3(w/w)) with coating solution(8% Zein-DP, 6% HPMC-FCC), and then the quality characteristics of fluidized bed micro coated vitamin C were investigated. The coating efficiency and the thickness of coating film were higher in $80{\sim}100$ mesh particle than in $100{\sim}140$ mesh particles, and coating efficiency was decreased as the coating material was increased. The distribution range of particle was more narrow in mixing ratio of 1:3(w/w) than in the other. DPPH radical scavenging activity was not affected by the particle size and the mixing ratio. There was no difference between the coating materials in terms of the quality characteristics. The optimum coating condition for fluidized bed micro-coating of vitamin C powder was selected as the particle size of $80{\sim}100$ mesh and the mixing ratio with coating solution of 1:3(w/w).
Keywords
vitamin C; fluidized bed coating; particle size; radical scavenging activity;
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Times Cited By KSCI : 5  (Citation Analysis)
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