Quality Chatacteristics of Vinegar using Wasabi japonica Matsum Leaves

고추냉이 잎으로 제조한 식초의 품질 특성 연구

  • Shin, Eon Hwan (Dept. of Hotel Service & Culinary Arts, Ulsan College)
  • 신언환 (울산과학대학교 호텔외식조리과)
  • Received : 2015.09.25
  • Accepted : 2015.12.03
  • Published : 2015.12.31

Abstract

This study was conducted to test the fermenting of high quality vinegar using Wasabi japonica Matsum leaves. Alcohol fermentation with Wasabi japonica Matsum leaves resulted in the reduction of sugar and sugar alcohol content during fermentation, which decreased sharply over 3 days. The alcohol content was maximized (15.4%) after 8-days of alcohol fermentation at $27^{\circ}C$ by adjusting the initial sugar concentration to $27^{\circ}Brix$, and vinegar with an acidity of 5.1% was obtained after 21-days of acetic acid fermentation at $30^{\circ}C$. The pH was shown to be 3.5 after 21-days of acetic acid fermentation at $30^{\circ}C$. Regarding the color of Wasabi japonica Matsum leaves vinegar, the L and b values increased according to fermentation time, whereas a color values decreased. In conclusion, based on the above results, it is determined that the use of Wasabi japonica Matsum leaves allows for the production of high-quality vinegar.

본 연구에서는 고추냉이 잎을 이용하여 발효식초를 제조 및 품질 특성에 대해 알아보고자 연구를 수행하였다. 고추냉이 잎을 알코올 발효시키면서 발효 과정중 당도와 알코올 함량의 변화를 측정한 결과, 환원당은 3일 이후로 급격히 감소하였으며, 알코올 함량은 3일 이후 급격히 증가하여 8일 후에 고추냉이 잎 알코올 발효액이 생성되었다. 알코올 발효 후 초산 발효가 진행됨에 따라 초산발효가 진행되면서 pH는 감소하며 총산은 증가하는 것으로 나타났다. 초산 발효 기간 중 알코올 함량의 변화는 고추냉이 잎의 초산 발효가 진행됨에 따라 알코올 함량은 감소하여, 최종 21일째에는 알코올 함량을 나타내지 않았다. 알코올 발효 후 시료의 초기 당도와 초산 발효가 진행되는 과정 중의 당도 변화는 없었다. 고추냉이 잎 식초의 초산 발효 중 색도 측정 결과 L값은 발효가 진행됨에 따라 증가하였고, 적색도를 나타내는 a값은 거의 변화가 없었으며, 황색도를 나타내는 b값은 증가하였다. 고추냉이 잎 식초는 발효가 진행됨에 맑아짐을 나타내는데, 이는 L값이 증가되어 나타나는 현상으로 판단된다. 이상의 결과로 쌈용 및 장아찌용으로 사용되어 오던 고추냉이 잎을 이용하여 고품질의 식초를 제조할 수 있는 것으로 판단되며, 농가의 새로운 소득작물로 새로운 소득증대와 소비자들에게 건강한 먹거리를 제공할수 있는 것으로 판단된다.

Keywords

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