고체 이산화탄소를 이용한 고농도 이산화탄소와 예냉 처리가 싹채소의 저장성에 미치는 영향

Effect of High Concentration Carbon Dioxide and Pre-Cooling Treated with Solid Carbon Dioxide on the Storability of Radish Sprout in MA Storage

  • 강호민 (강원대학교 원예학과) ;
  • 최인이 (강원대학교 원예학과) ;
  • 김일섭 (강원대학교 원예학과) ;
  • 박권우 (고려대학교 생명과학대학 생명공학부)
  • Kang, Ho-Min (Department of Horticulture, Kangwon National University) ;
  • Choi, In-Lee (Department of Horticulture, Kangwon National University) ;
  • Kim, Il-Seop (Department of Horticulture, Kangwon National University) ;
  • Park, Keun-Woo (Division of Biotechnology, College of Life Sciences and Biotechnology, Korea University)
  • 발행 : 2009.09.30

초록

유통기한이 7일 밖에 되지 않는 무싹의 저장성 향상을 위해서 고체 이산화탄소를 처리하였다. 이를 위해 고체 이산화탄소의 승화시 발생하는 이산화탄소가스와 극저온의 온도로 농산물에 고이산화탄소 처리와 예냉처리를 동시에 할 수 있는 처리 장치를 개발하였는데 개발된 장치는 처리 대상 작물 주위를 10분만 $5^{\circ}C$와 80% 이산화탄소로 조성하였다. 개발된 고이산화탄소 처리 장치를 이용하여 저장 전과 저장 중의 고체 이산화탄소 처리와 저장 전과 저장 중을 모두 한 처리, 그리고 무처리구를 두어 무싹의 저장성을 비교하였다. 고이산화탄소를 처리한 무싹은 $25{\mu}m$ ceramic film 포장하여서 $8^{\circ}C$에 저장하였다. 무순의 고이산화탄소 처리는 생체중 감소에는 영향을 주지 못하였고 저장 1일 째 포장내 이산화탄소와 산소 농도는 저장 중 처리구에서 40%와 10%로 고이산화탄소 농도를 보였으나 저장 7일째에는 모든 처리구의 이산화탄소 농도는 5% 미만으로 감소하였다. 고농도 이산화탄소 처리는 저장 15일째 에틸렌 농도를 낮추는 효과를 보였으나. 외관상 품질과 이취에서는 효과를 보이지 않았다.

The solid carbon dioxide used for prolongation shelf life of radish sprout that was just 7days. The developed equipment for treated carbon dioxide consisted of solid carbon dioxide evaporated part and high carbon dioxide and low temperature treated part that can hold products. The inner temperature of equipment decreased temperature to below $5^{\circ}C$ from room temperature for 10minutes and carbon dioxide concentration increased to 80%. The radish sprouts treated 4 different conditions that was nontreated condition (control), solid carbon dioxide put into package (CO2-1), solid carbon dioxide treated before storage using the developed equipment (CO2-2), solid carbon dioxide treated before storage and during storage, and sprout packaged with solid carbon dioxide (CO2-3). These radish sprout packaged with $25{\mu}m$ ceramic film stored at $8^{\circ}C$. The high carbon dioxide treatment did not affect the fresh weight loss. The carbon dioxide and oxygen content in package changed 40% and 10%, respectively in CO2-1 and CO2-2 at 1day after treatments. But carbon dioxide content of all treatments was decreased to 5% and stabilized. The high carbon dioxide showed the effect of reduction ethylene production, but did not affect to visual quality and offodor.

키워드

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