Korean journal of food and cookery science (한국식품조리과학회지)

Korean Society of Food and Cookery Science (한국식품조리과학회)
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Effect of xylitol on the taste and fermentation of Dongchimi

자일리톨 첨가가 동치미의 맛과 발효숙성에 미치는 영향

  • 문성원 (영동대학교 호텔외식조리학과) ;
  • 장명숙 (단국대학교 식품영양학과)
  • Published : 2004.02.01
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Abstract

The effect of xylitol on the Dongchimi fermentation was investigated by measuring the sensory, physicochemical and microbiological properties during fermentation of up to 30 days. Dongchimi with 0, 1, 2, 3 and 4％ w/v xylitol was fermented at 10$^{\circ}C$. The addition of 1％ xylitol gave the highest scores in terms of the overall acceptability, texture, ripeness, sweet taste and smell. During the fermentation, the total acidity increased, while the pH gradually decreased. The reducing sugars showed the highest content with the addition of 1％ xylitol. The vitamin C was increased in the early stage of fermentation, but reduced gradually after 5 days. The vitamin C content of the Dongchimi with 2％ xylitol addition was shown to be the highest. The total viable cells and lactic acid bacteria increased between 2 and 5 days of fermentation, but were gradually reduced thereafter. The numbers of lactic acid bacteria with 1％ xylitol addition were more numerous than with the other percentage additions. The current study showed that the application of 1％ xylitol to the fermentation of Dongchimi enhanced the sensory values of the fermented product.

천연소재 감미료인 당알코올류의 자일리톨을 동치미에 첨가하였을 때 동치미의 맛과 발효숙성에 자일리톨이 미치는 영향을 보기 위하여 동치미 국물에 대한 자일리톨 첨가량을 0, 1, 2, 3, 4%(w/v)로 하였고, 1$0^{\circ}C$에서 30일 동안 발효시키면서 관능적, 이화학적 및 미생물학적 특성을 보았다. 관능적 평가 결과 냄새, 단맛, 숙성도, 조직감과 전반적인 기호도에서 자일리톨 1% 첨가구가 높은 점수를 받아 가장 선호하였고, 그 다음으로는 자일리톨 2% 첨가구를 좋아하는 것으로 보였다. 발효숙성이 진행됨에 따라 pH는 점차로 낮아졌고, 총산함량은 모든 첨가구에서 증가하는 것으로 나타났다. 자일리톨 첨가량이 증가할수록 pH는 낮게 총산함량은 많은 것으로 나타났다. 환원당은 발효기간 동안 자일리톨 1% 첨가구가 다른 첨가구에 비해 비교적 많은 함량을 유지하였다 총 비타민 C는 발효초기에 증가하였다가 감소하는 결과를 보였고, 자일리톨 2% 첨가구가 많은 총 비타민 C함량을 보였고, 그 다음으로 1% 첨가구였다. 총균수와 젖산균수는 발효 2일과 5일에 모든 첨가구에서 크게 증가하였다가 그 이후로 서서히 감소하였고, 자일리톨 1% 첨가구의 총균수와 젖산균수가 많은 균수를 유지하였다. 이상의 결과로 대조구에 비해 자일리톨 1% 첨가 동치미가 맛과 조직감을 향상시켜 전반적인 기호도를 좋게 하는 것으로 나타났다.

Keywords

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