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공과대학
식품생명공학과
Journal papers
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The study of heat penetration of Kimchi soup on stationary and rotary retorts
Title
The study of heat penetration of Kimchi soup on stationary and rotary retorts
Authors
Cho W.-I.
;
Park E.-J.
;
Cheon H.S.
;
Chung M.-S.
Ewha Authors
정명수
SCOPUS Author ID
정명수
Issue Date
2015
Journal Title
Preventive Nutrition and Food Science
ISSN
2287-1098
Citation
Preventive Nutrition and Food Science vol. 20, no. 1, pp. 60 - 66
Keywords
F<inf>0</inf>
;
value
;
Mathematical models
;
Retorted Kimchi soup
;
Stationary and rotary retorts
Publisher
Korean Society of Food Science and Nutrition
Indexed
SCOPUS; KCI
Document Type
Article
Abstract
The aim of this study was to determine the heat-penetration characteristics using stationary and rotary retorts to manufacture Kimchi soup. Both heat-penetration tests and computer simulation based on mathematical modeling were performed. The sterility was measured at five different positions in the pouch. The results revealed only a small deviation of F<inf>0</inf> among the different positions, and the rate of heat transfer was increased by rotation of the retort. The thermal processing of retort-pouched Kimchi soup was analyzed mathematically using a finite-element model, and optimum models for predicting the time course of the temperature and F0 were developed. The mathematical models could accurately predict the actual heat penetration of retort-pouched Kimchi soup. The average deviation of the temperature between the experimental and mathematical predicted model was 2.46% (R2=0.975). The changes in nodal temperature and F<inf>0</inf> caused by microbial inactivation in the finite-element model predicted using the NISA program were very similar to that of the experimental data of for the retorted Kimchi soup during sterilization with rotary retorts. The correlation coefficient between the simulation using the NISA program and the experimental data was very high, at 99%. Copyright © 2015 by The Korean Society of Food Science and Nutrition. All rights Reserved.
DOI
10.3746/pnf.2015.20.1.60
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