Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
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Characteristics of Growth and Salting of Chinese Cabbage after Spring Culture Analyzed by Cultivar and Cultivation Method

봄배추 재배방법 및 품종에 따른 생육 및 절임 특성

  • Published : 2008.02.28
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Abstract

This experiment investigated the characteristics of salted and fresh Chinese cabbages of different cultivars and using various cultivation methods. We measured the numbers of leaves, sizes, thicknesses, moisture contents, and firmness qualities of fresh Chinese cabbage grown in a plastic house, and outdoors. 'The bulb sizes, leaf thicknesses, and moisture contents of leaves were higher after plastic house cultivation than after growth in the field. Plastic house culture increased the growth rate of Chinese cabbage. Firmness and osmolarity showed better values after outdoor cultivation, however. The growth rates and the levels of chemical components were affected by interactions between cultivation methods and cultivars of Chinese cabbage. The salt levels of salted Chinese cabbage were 1.21.7% (w/w) after cabbages cultivated outdoors were preserved, and 0.91.2 % (w/w) after vegetables grown in a plastic house were treated. The quality properties of postharvest Chinese cabbages after salting varied with cultivation method even when the same cultivars of Chinese cabbage were used. The salt contents of salted Chinese cabbage thus varied with different cultivation methods. The results indicate that the properties of Chinese cabbage vary with the culture systems adapted.

김치는 절임 발효 식품으로서 염장이 품질에 영향을 미치는 중요한 요인이다. 이러한 영향에 대해 주재료인 배추의 품종 및 재배 방법의 차이를 구명하고자하였다. 배추의 재배방법(노지, 하우스재배) 및 품종(쌈노랭이, 매력, 춘황, 춘광, 고령지 여름, 옥황씨알)에 따른 수확전 요인(생육 특성)과 수확후에 나타나는 절임특성을 조사하고자 구중, 결구지수(크기), 엽수, 엽두께, 삼투몰 농도, 염함량, 탈염률, 경도를 측정하였다. 수확후 생육면에서는 시설내의 하우스에서 재배한 배추가 구중 및 결구크기, 엽두께, 함수량 등 면에서 높은 경향을 보였으며, 품종에 차이는 보이나 전반적으로 노지에서 재배한 배추의 경도, 삼투몰 농도가 높은 경향을 보였다. 배추를 절임시 염함량은 재배방법과 그에 따른 품종에 의해서도 차이가 나타났는데, 탐염률이 낮은 것들에서 염함량이 다소 높은 경향을 보였으며, 삼투몰 농도에서도 비슷한 경향을 보였다. 본 실험의 결과 동일한 품종이라도 재배 방법의 차이에 따라 배추를 절였을 경우 나타나는 특성이 달라질 수 있음을 확인하였다. 배추는 주년 생산작물이므로 봄철뿐만 아니라 앞으로 다른 생산시기도 확인이 필요 할 것으로 생각되며 이러한 재료의 차이에 따라 김치를 담갔을 때 대한 나타나는 고찰이 보다 필요 할 것이다.

Keywords

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