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학술저널
저자정보
황권택 (남부대학교) 진종언 (동강대학교) 오성훈 (신안산대학교) 류민정 (남부대학교) 유승진 ((주)창억)
저널정보
한국키틴키토산학회 Journal of Chitin and Chitosan Journal of Chitin and Chitosan Vol.23 No.4
발행연도
2018.1
수록면
244 - 255 (12page)

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Natural extract in liquid phase was adjusted to 0, 0.25, 0.5, 1, 2, and 4% concentration to check microbial changes and to measure 4, 8, 12 o C for refrigeration temperature. In the case of grapefruit extract, the microbial safety was maintained at all the concentrations at 4 o C storage, but the antimicrobial activity was maintained at 12 o C storage and at 8 o C and 21 days storage. In the case of grape seed extract, only the 4% of the culture at 8 o C satisfied the requirement of safety of food distribution for the last 21 days, and the safety criterion was satisfied only at 4% concentration at 12 o C for 18 days. Complex Scutellaria baicalensis extract showed the total number of microbial cells treated by concentration. It was confirmed that microbial flow safety was maintained at low temperature (4 o C). However, at 8 o C and 12 o C, Exceeded the distribution limit. When polylysine was applied to brown rice cake, it showed activity in all groups except 4 o C, but these properties were not observed at 8 o C and 12 o C. At a concentration of 0.5% or more of chitosan, the growth of the microorganism is suppressed by the 21st day very stably, and a similar tendency is observed at 8 and 12 o C, so that it may be an antimicrobial material that inhibits microorganisms. At the first day, the distribution standards for general bacterial counts were exceeded.Ethyl-pyruvate showed that microorganism safety was maintained at 4 o C and 1% concentration, and food safety was stable even at 2 or 4%. Glycine showed very good and stable distribution stability at 4 o C. However, at 8 o C and 12 o C, the shelf life of 14 days could not be maintained as with the addition of other antimicrobial active substances.

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