숙도가 머스크멜론(Cucumis melo L.)의 유통 중 품질에 미치는 영향

Quality Changes of Muskmelon (Cucumis melo L.) by Maturity during Distribution

  • 투고 : 2009.07.14
  • 심사 : 2010.01.18
  • 발행 : 2010.06.30

초록

본 연구에서는 머스크멜론의 숙도를 정식일수(90, 92)에 따라 적숙과와 완숙과로 구분한 후 $10^{\circ}C$$25^{\circ}C$에서 유통시키면서 품질 변화를 측정하였다. 모든 시료에서는 저장기간이 지날수록 중량 감모율이 증가하는 경향을 보였으며 동일한 저장일 에는 적숙과가 완숙과 보다 높은 값을 나타냈다. 경도는 적숙과와 완숙과 모두 저장기간이 경과될수록 감소하는 경향을 보였으며 저장 10일까지는 저장온도가 낮을수록 높게 유지되어 $10^{\circ}C$저장이 $25^{\circ}C$저장에 비하여 경도의 감소를 지연시키는 것으로 나타났다. 수확직후 완숙과의 가용성고형분함량은 14.6%로 적숙과의 12.8%보다 높은 값을 나타내었다. 색 변화에서 밝기를 나타내는 L값은 저장 초기 완숙과가 적숙과에 비해 낮게 나타났으며 황색도를 나타내는 b값은 모든 시료에서 저장기간이 지날수록 증가한 후 다시 감소하는 경향을 나타내었다. 호흡속도는 $25^{\circ}C$에서 저장한 경우 적숙과와 완숙과 모두 저장 1일 일시적으로 증가되어 climacteric형 과실의 특징이 나타난 반면 $10^{\circ}C$에서는 그러한 특징이 관찰되지 않았다. 관능 평가에서 맛과 향은 시료간에 큰 차이가 없었지만 조직감 항목에서는 $25^{\circ}C$에서 저장한 완숙과를 제외하면 저장기간이 경과될수록 유의적으로 감소되었다($P$<0.05). 전체기호도를 조사한 결과 $10^{\circ}C$에서 저장한 경우 적숙과와 완숙과 모두 12일 까지 높게 유지된 반면 $25^{\circ}C$에서는 적숙과가 7일, 완숙과는 5일까지 높게 유지되었다($P$<0.05).

The quality change of musk melons, divided into ripened (90 days) and over-ripened (92 days) set by the formal day maturing melons, was investigated during marketing period at both 10 and $25^{\circ}C$. The rate of weight loss was increased in all samples as the storage period passed and greater in ripened melons than over-ripened melon. The hardness decreased in both well and over-ripened melon as the storage period passed. Furthermore, changes in hardness were prevented in fruit stored at $10^{\circ}C$ compared to fruit stored at $25^{\circ}C$. Immediately after harvest, the solid solubility of over-ripened melon was 14.6%, while that of ripened fruit was 12.8%. The respiration rate of both well and over-ripened melon increased temporarily when stored at $25^{\circ}C$, which is characteristic of climacteric fruits during the first day of storage; however, no change in respiration rate was observed in fruit stored at $10^{\circ}C$. When sensory evaluation was conducted, there were no differences observed in flavor and taste among samples. However, with the exception of over-ripened melon, the texture of all samples increased significantly with storage time when melon was stored at $25^{\circ}C$. The score of overall acceptability remained high for 12 days in both well and over-ripened melon, while that of ripened melon stored at $10^{\circ}C$ and over-ripened melon stored $25^{\circ}C$ remained high for 7 and 5 days, respectively (p<0.05).

키워드

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