Food Quality Indication Based on the Headspace Gases Inside Packaged Foods
(주)코리아스칼라
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- 2023.04.05
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- 2016.10
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서지정보
ㆍ발행기관 : 한국산업식품공학회
ㆍ수록지정보 : 학술대회 및 심포지엄
ㆍ저자명 : Sanghoon Ko, Han-Seung Shin
영어 초록
Food quality indicator is a simple device to communicate information of food quality to consumers. Change of specific gas composition in the headspace of food packaging can be considered as a food quality indication. For examples, level of carbon dioxide (CO2) increases in the headspace of packaged kimchi which is fermented over time during storage. The elevated ammonia (NH3) level inside a food package is an indication of spoilage. In this study, CO2 indicators and NH3 indicators were developed to monitor food quality and their performance were evaluated. Especially, the correlation between the food quality change and the indicator change were studied during storage. Two types (chitosan-based and whey protein isolate-based) of CO2 indicators was developed to monitor the CO2 concentration in the headspace of a food package. The CO2 indicators showed a visual change depending on CO2 level in the package headspace and were installed on the packaged kimchi and the packaged makgeolli in order to notify their ripening stage. NH3 indicators were developed to monitor the headspace NH3 concentration in the packaged fishery products such as fermented skate. The NH3 indicators showed a prominent color change depending on NH3 level as the skate was fermented over time. In addition, the polylactic acid (PLA)-based package box installing NH3 indicator was developed for the fermented skate and the color change of the indicator was evaluated at different storage temperatures over time. In conclusion, the gas indicators incorporated into the package was able to simply inform food quality over time.
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