반사 및 분산 기능을 가진 원적외선-진공 건조에 의한 건조복원식품의 품질변화
(주)코리아스칼라
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- 2016.04.01
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- 2012.09
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서지정보
ㆍ발행기관 : 한국식품영양학회
ㆍ수록지정보 : 한국식품영양학회지 / 25권 / 3호
ㆍ저자명 : 이진원, 성기석, 박장우
영어 초록
The objective of this work was to study the effect of far infrared ray-vacuum drying having reflection and dispersion functions(RD-FRVD) and hot air drying(HAD) on the quality changes of dried vegetable flakes. HAD was regarded as a control. Browning degrees, color value, titratable acidity and pH value were measured as chemical evaluations. Rehydration and electron micrographs were investigated as physical evaluation. Microbial cells were counted. The color value and browning degrees were increased in both RD-FRVE and HAD. In case of degree of those changes, RD-FRVD made less changes than HAD. Especially, green bean sprout had no differences in color value and browning degrees between raw material and dried-rehydrated material. There were no significance differences in titratable acidity and pH value between raw material and dried-rehydrated material. The total microbial counts were gradually reduced in RD-FRVD. The rehydration rates of dried vegetable flakes were typically increased in RD-FRVD. Also, these results were investigated electron micrographs evaluation. Therefore, these results showed that the quality of dried-rehydrated vegetable flakes was typically enhanced by using RD-FRVD.
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