The Korean Journal of Food And Nutrition (한국식품영양학회지)

The Korean Society of Food and Nutrition (한국식품영양학회)
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Quality Changes of Strawberry by Slow-released ClO2 Gas Gel-pack during Storage

서방형 이산화염소 가스 젤팩을 이용한 딸기의 저장 중 품질 변화

  • Lee, Kyung-Haeng (Major in Food & Nutrition, Korea National University of Transportation) ;
  • Bong, So-Jung (Major in Food & Nutrition, Korea National University of Transportation) ;
  • Yoon, Ye-Ji (Major in Food & Nutrition, Korea National University of Transportation) ;
  • Lee, Bom (Major in Food & Nutrition, Korea National University of Transportation) ;
  • Kwak, Il-Hwan (Sejin E & P Co. Ltd.) ;
  • Min, Kyung-Hoon (Sejin E & P Co. Ltd.) ;
  • Kim, Hong-Gil (Sejin E & P Co. Ltd.)
  • 이경행 (한국교통대학교 식품영양학전공) ;
  • 봉소정 (한국교통대학교 식품영양학전공) ;
  • 윤예지 (한국교통대학교 식품영양학전공) ;
  • 이봄 (한국교통대학교 식품영양학전공) ;
  • 곽일환 (세진이엔피(주)) ;
  • 민경훈 (세진이엔피(주)) ;
  • 김홍길 (세진이엔피(주))
  • Received : 2017.03.08
  • Accepted : 2017.06.02
  • Published : 2017.06.30
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Abstract

To prolong the shelf-life of strawberry, samples were treated with gel packs containing slow-released chlorine dioxide($ClO_2$) gas at 3~7 ppm for 6 days at room temperature. The weight loss and decay ratio as well as changes in pH, color and texture properties of the treated samples were investigated. The weight of the control and $ClO_2$ gas treated samples decreased slightly, but the weight of the control changed faster than those of the $ClO_2$ gas treated samples during the storage period. The decay ratio of control was higher than those of the $ClO_2$ gas treatments since 4 days of storage. The pH and acidity in the control and in the $ClO_2$ gas treated samples were no differences during storage period. The lightness of strawberry decreased during storage, but there was no difference in lightness among the treatments even when storage time was extended. The redness and yellowness of the control showed higher change than those of the $ClO_2$ gas treatments during 6 days. The firmness of the control changed more rapidly than those of the $ClO_2$ gas treatments during 6 days. Especially, the samples treated 3 and 5 ppm $ClO_2$ gas were the least changed. And the scores for appearance, firmness and overall acceptance control and 7 ppm $ClO_2$ gas treatment decreased more rapidly than those of 3 and 5 ppm treatment.

Keywords

References

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