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Selection of Quality Indicator to Determine the Freshness of Muskmelon (Cucumis melo L.) during Distribution

머스크멜론의 유통 중 신선도 판정을 위한 품질 지표 선정

  • Received : 2011.06.21
  • Accepted : 2011.11.18
  • Published : 2011.12.30

Abstract

This study was conducted to identify quality indicators to determine freshness of muskmelon during distribution. The correlation between each quality characteristic and organoleptic preference was analyzed after examining weight loss, firmness, soluble solid content, chromaticity, and respiration rate of and changes in the organoleptic characteristics during storage at 0, 10, 20 and $30^{\circ}C$ after harvesting. The correlation between weight loss and preference according to the storage temperature was shown to be significant (p<0.01). The correlation between firmness and preference was shown to be highly significant (R=0.74, 0.78, 0.88, and 0.83 at 0, 10, 20, and $30^{\circ}C$) under all temperature conditions, and was shown to be especially highly significant (p<0.01) when the temperature was high. In the case of storage at 20 and $30^{\circ}C$, a significant correlation between soluble-solid content and preference was shown. Therefore, it is right to apply the change in weight loss and firmness that indicated a high correlation with organoleptic preference as a quality indicator at all storage temperatures.

본 연구는 국내에서 유통되고 있는 머스크멜론의 유통 중 신선도를 판정하기 위하여 적정 품질지표를 규명하고자 수행되었다. 수확 직후 0, 10, 20 및 $30^{\circ}C$에서 저장하면서 중량감모율, 경도, 당도, 색도, 호흡속도 및 관능특성 변화를 조사한 후 각 품질특성과 관능적 기호도와의 상관관계를 분석하였다. 저장온도에 따른 중량감모율과 기호도와의 상관관계는 모든 온도 조건에서 유의적인 상관관계를 나타내었다(p<0.01). 경도에 대한 상관관계는 0, 10, 20 및 $30^{\circ}C$에서 각각 R=0.74, R=0.78, R=0.88 및 R=0.83으로 모든 온도 조건에서 유의적으로 높은 상관관계를 나타내었으며 온도가 높을수록 높은 상관계수를 보였다(p<0.01). 멜론을 $20^{\circ}C$에서 저장한 경우에는 당도 및 적색도와도 유의적인 상관관계를 보였으며, $30^{\circ}C$에서도 적색도와 유의적인 상관관계를 나타내었다. 따라서 모든 저장온도에서 관능적 기호도와 높은 상관관계를 나타낸 중량감모와 경도의 변화를 멜론의 유통 중 신선도 판정에 적용되는 품질지표로 선정하여 적용하는 것이 적절한 것으로 판단되었다.

Keywords

References

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