Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
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Effect of 1-Methylcyclopropene Treatment on the Fruit Quality of Pear c.v. "Hwasan" during the Storage at Ambient Temperature

1-MCP 처리가 '화산' 배의 상온 저장 중 품질에 미치는 영향

  • Received : 2010.04.27
  • Accepted : 2010.09.10
  • Published : 2010.10.30
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Abstract

We investigated the effects of 1-methylcyclopropene (1-MCP) treatment (0, 0.5, and 1.5 ppm) for 16 hours, followed by storage at ambient temperature, on the qualities of pears (Pyrus pyrifolia c.v. "Hwasan"). Color differences, as measured using the Hunter L, a, and b values, showed the greatest decreases before storage, and 8 weeks after storage, when fruit was exposed to 1.5 ppm 1-MCP. The sensory qualities of c.v. "Hwasan" pears were good until 4 weeks of storage after treatment with 0 ppm 1-MCP, until 6 weeks when 0.5 ppm 1-MCP was employed, and until 7 weeks when 1.5 ppm 1-MCP treatment was performed. Fruit and storage quality in terms of all of hardness, sugar content, PPO activity, respiration amount, and ethylene production increased in the 8 weeks after application of 1.5 ppm 1-MCP. Consequently, it seems that 1-MCP treatment, especially at 1.5 ppm, before storage of pears at ambient temperature, effectively improves the quality of pears of c.v. "Hwasan".

배의 저장성 향상 방법 구명 측면에서 수확한 화산 배에 16시간 동안 1-MCP 처리(0, 0.5, 1.5 ppm) 후 상온($20^{\circ}C$) 저장기간에 따른 품질 특성을 조사하였다. 저장전과 저장 8주 후의 과피 색도는 Hunter L, a 및 b값 모두 1-MCP 1.5 ppm 처리구에서 변화가 가장 적었다. 관능평가 값은 1-MCP 0 ppm 처리구는 4주째까지, 0.5 ppm 처리구는 6주째 까지, 1.5 ppm 처리구는 7주째까지 좋다 이상의 수준으로 평가되었다. 1-MCP 1.5 ppm 처리구는 저장 8주째까지 경도, 당 함량, Polyphenol oxidase 활성, 호흡량 및 에틸렌 발생량이 가장 낮아 저장성이 향상 되었다. 따라서 화산 배의 상온 저장전의 1-MCP 처리는 저장성 향상에 효과적인 것으로 나타났으며, 특히 1.5ppm 농도 처리에서 좋았다.

Keywords

References

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