Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
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Effects of loading method to Improve Storage Quality under Room Temperature in Onion(Allium cepa. L)

양파 간이 저장시 적재방법이 저장성에 미치는 영향

  • Published : 2002.09.01
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Abstract

This study was conducted to improve the storability of onion bulbs by loading method under room temperature and to reduce the rot caused by field open storage. Allium cepa cv. Changnyungdeago, late strain, was used for the test at the storage condition of 1-row-6-stairs, 2-rows-6-stairs, 4-rows-6-stairs, 1-rows-8-stairs, 2-rows-8-stairs, and 4-rows-8-stairs. The results obtained art as follows: The mean temperature was maintained lowly 1.6∼3.2$\^{C}$ in 1-row-6-stairs and 1.3∼2.6$\^{C}$ in 2-rows-6-stairs in contrast to 4-rows-8-stairs and the relative humidity was high when loading rows increased. The rotting rates in 1-row-6-stairs, 2-rows-6-stairs, 4-rows-6-stairs, 1-rows-8-stairs, 2-rows-8-stairs, and 4-rows-8-stairs were 11.4%, 11.6%, 12.4%, 14.6%, 13.9% and 16.6%, respectively, and became higher with increased rows and stairs of loading. Total weight loss of onion bulbs were l2.2%, 12.7%, 13.8%, 15.5%, 15.2% and 18.0% in 1-row-6-stairs, 2-rows-6-stairs, 4-rows-6-stairs, 1-row-8-stairs, 2-rows-8-stairs, and 4-rows-8-stairs, respectively. The rot of onion bulbs was caused mainly by Fusarium sp., Aspergilus sp., Botrytis sp., and bacteria.

양파 간이저장시 무분별한 야적에 의해 발생하는 부패를 감소시켜 양파의 상품성 향상 및 안전저장을 목적으로 적재 방법에 따른 저장성을 조사한 결과는 다음과 같다. 평균기온은 4열 8단에 비해 1열 6단은 1.6~3.2$^{\circ}C$, 1열 8단은 0.5~3.5$^{\circ}C$, 2열 6단은 1.3~.6$^{\circ}C$, 2열 8단은 0.1~2.4$^{\circ}C$, 4열 6단은 0.1~1.8$^{\circ}C$가 낮았고 상대습도는 열수가 많을수록 높았다. 부패율은 4열 8단 16.6%에 비해 1열 6단 11.4%, 2열 6단 11.6%, 4열 6단 12.4%, 1열 8단 14.6%, 2열 8단 13.9%로 열수 및 단수가 많을수록 부패는 많았고 중량감모도 열수 및 단수가 많을수록 높았다. 저장중 발생하는 부패원인균의 경우 Fusarium sp.은 7월 중순과 8월 상순, Aspergillus sp.은 7월 하순에서 8월 중순까지, Bacteria는 7월 중순과 9월 상순에 발생이 많았다.

Keywords

References

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