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Effect of xylitol on the taste and fermentation of Dongchimi  

문성원 (영동대학교 호텔외식조리학과)
장명숙 (단국대학교 식품영양학과)
Publication Information
Korean journal of food and cookery science / v.20, no.1, 2004 , pp. 42-48 More about this Journal
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.
Keywords
xylitol; Dongchimi; fermentation; taste;
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