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Effect of 1-Methylcyclopropene(1-MCP) on the Postharvest Life and Fruit Quality of Cucumber

1-Methylcyclopropene(1-MCP) 처리가 오이의 신선도 유지에 미치는 영향

  • 양용준 (상명대학교 식물산업공학과)
  • Published : 2008.12.31

Abstract

Effects of 1-MCP(1-methylcyclopropene) on the postharvest life and fruit quality of cucumber 'Baekdadaki' were investigated. Cucumber were held at room and cold chamber($10^{\circ}C$) treated with several concentrations of 1-MCP. Physico-chemical characteristics such as fresh weight and firmness were greatly varied during storage, and the treatment with I-MCP(500ppb) showed the minimal loss of the values at harvest. The peel b value representing a senescence process was higher investigated in 1-MCP(250 and 1,000ppb treatment, and led to the apparent yellowing and softening after cold storage for 15 days. 1-MCP(500ppb) showed lower decay rate and better marketability of cucumber than other treatments after cold storage for 15 days. The respiration rate was higher found in cucumber treated with 1-MCP(250ppb) than in other treatment. Ethylene evolution was most detected in cucumber treated with 1-MCP(1000ppb) after room storage for 6 days. 1-MCP did not affect the production of ethylene in cucumber during room and cold storage.

1-MCP(1-methylcyclopropene) 처리에 의한 오이 'Baekdadaki'의 수확 후 품질에 관한 연구를 수행하였다. 1-MCP의 농도별 250ppb, 500ppb, 1,000ppb 처리 후 상온과 저온($10^{\circ}C$)으로 나누어 저장하면서 생리적 특성변화 및 호흡율, 에틸렌 발생율을 조사하였다. 물리화학적 특성변화로 생체중과 경도는 상온, 저온 모두 저장 중 감소하였고 1-MCP 처리중에는 저온의 500ppb 에서 가장 적은 감소율을 보였다. 노화의 지표인 과피 b값은 상온괴 저온 모두 1-MCP 250, 1,000ppb에서 가장 높은 증가율을 보였고 저온저장 15일째에 황화와 함께 과실 무름 현상이 나타났다. 오이의 저온저장 15일 동안 1-MCP 500ppb 처리에서 가장 낮은 부패율을 나타내어 상품성을 상대적으로 높게 유지하였다. 호흡율은 1-MCP 250ppb 처리에서 높은 증가율을 보였고, 에틸렌 발생량은 상온 저장된 1,000ppb 에서 저장 6일 동안 가장 높은 증가율을 보였다. 오이 'Baekdadaki' 품종의 수확 후 품질은 1-MCP 500ppb 농도에서 가장 좋은 품질을 유지하였고 여러 농도의 1-MCP 처리에서 에틸렌 생성이 억제되지는 않았다.

Keywords

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