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팰릿 단위 기체환경 제어 저장한 배추의 품질 변화와 품질 예측 모델

Quality Prediction and Change in Quality of Kimchi Cabbages Stored Under a Pallet Unit-Controlled Atmosphere

산업식품공학 2020년 24권 3호 p.191 ~ 199
Chun Ho-Hyun, 최은지, 이정현, 손재용, 박천완,
소속 상세정보
 ( Chun Ho-Hyun ) - World Institute of Kimchi Advanced Process Technology and Fermentation Research Group
최은지 ( Choi Eun-Ji ) - World Institute of Kimchi Advanced Process Technology and Fermentation Research Group
이정현 ( Lee Jeong-Hyeon ) - Chungnam National University Department of Food Science and Technology
손재용 ( Son Jae-Yong ) - National Institute of Agricultural Sciences Division of Postharvest Engineering
박천완 ( Park Chun-Wan ) - National Institute of Agricultural Sciences Division of Postharvest Engineering

Abstract


This study was conducted to investigate the quality of kimchi cabbages stored under a pallet unit-controlled atmosphere (PUCA), containing 2% O2 and 5% CO2, and to develop quality prediction models for cabbages stored under such conditions. Summer and winter cabbage samples were divided into PUCA-exposed groups and atmospheric airexposed control groups (in a cold storage). The control summer cabbages lost up to 8.31% of their weight, whereas the PUCA-exposed summer cabbages lost only 1.23% of their weight. Additionally, PUCA storage effectively delayed the reduction in cabbage moisture content compared with the control storage. After storage for 60 and 120 days of the summer and winter samples, respectively, the reducing sugar contents were higher in the PUCA groups than in the control groups. The linear regression analysis-derived equations for predicting the storage period, weight loss, and moisture content in the control groups, as well as those for predicting the storage period and weight loss in the PUCA groups, were appropriate according to the adjusted coefficient of determination, root mean square error, accuracy factor, and bias factor values. Therefore, this PUCA system would be useful for improving the shelf life of the postharvest summer and winter cabbages used in the commercial kimchi industry.

키워드

kimchi cabbage; storage; pallet unit-controlled atmosphere; quality; prediction

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