Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
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Effect of Added Doenjang (Soybean Paste) on the Kimchi (Fermented Korean Cabbage) Fermentation

된장 첨가가 김치 발효에 미치는 영향

  • Lim, Yong-Suk (Faculty of Biotechnology, Daegu University of Foreign Studies)
  • 임용숙 (대구외국어대학교 생명과학부)
  • Published : 2008.02.28
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Abstract

The potential use of Doenjang in place of salted-fish juice as an ingredient in Kimchi fermentation was examined, to improve Kimchi qualities such as flavor and taste. Quality characteristics were monitored during progressive fermentation of Kimchi with Doenjang (KD) at 7 d intervals for 28d at constant temperature $(10^{\circ}C)$. The data showed that the pH of KD was somewhat lower than that of the control as fermentation progressed. The titratable acidity in KD was linearly proportional to the pH change. Both the growth of lactic acid bacilli and total bacteria in Kimchi were inhibited in KD compared to control. In terms of color, the L, a, and b values of KD were all lower than those of control. In sensory evaluation, the taste, flavor, color, and overall acceptability of the new form of Kimchi were increased significantly by addition of 5 % (w/w) Doenjang (p<0.05). All data indicated that the color and taste properties of KD were improved by addition of Doenjang during fermentation.

김치의 맛을 증진시키기 위하여 젓갈 대신에 된장을 첨가하여 김치의 품질 특성을 개선하고자 하였다. 김치 제조원료에 된장을 첨가하여 김치를 제조한 후 28일간 $10^{\circ}C$에서 숙성시키면서 김치의 이화학적, 미생물학적 변화 그리고 기호성을 검사하였다. 된장 첨가량의 증가에 따른 pH 변화는 전 발효 기간 동안 된장 첨가구는 대조구에 비해 다소 낮은 경향을 나타내었다. 산도의 변화는 발효 초기 유사하였으며, 발효가 진행될수록 대조구에 비해 된장 첨가 김치의 산도의 변화가 완만한 증가 현상을 나타내 pH 변화와 유사하였다. 유산균수와 총균수는 대조구, 첨가구 모두 대조구에 비해 성장이 억제되었다. 색도는 대조구에 비해 된장 첨가구 모두 백색두 적색도, 황색도가 감소하였다. 관능적 특성은 대조구에 비해 된장 5% 첨가 김치가 맛은 물론, 풍미, 색상, 종합적 기호도가 유의적으로 높게 나타났다. 이상의 결과로 미루어보아 된장을 첨가 김치 제조가 가능할 것으로 판단되었다.

Keywords

References

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