Korean journal of food and cookery science (한국식품조리과학회지)

Korean Society of Food and Cookery Science (한국식품조리과학회)
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Changes in the Microbial Qualites and Sensory Characteristics of Boiled Potatoes and Imitation Crab Sticks in Soy Sauce as Prepared by the Cook-Chill System and Sous Vide Cook-Chill System

Cook-chill System과 Sous vide Cook-chill System으로 생산된 감자게맛살 조림의 저장기간에 따른 미생물학적 품질과 관능특성의 변화(1)

  • Kim, Heh-Young (Dept. of Food & Nutrition, Sungshin Women's University) ;
  • Song, Sun-Mi (Dept. of Food & Nutrition, Sungshin Women's University)
  • 김혜영 (성신여자대학교 식품영양학과) ;
  • 송선미 (성신여자대학교 식품영양학과)
  • Published : 2007.04.30
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Abstract

This study was performed to provide basic data for the operation of the sous vide cook-chill system(SVCC) by comparing and evaluating the quality of SVCC prepared foods to those prepared using the cook-chill system(CC). Foremost, the microbial risk was less and the food quality excellent when SVCC was used compared to CC, where changes in pH, Aw and moisture loss were less with SVCC. The CC and SVCC Aw value were 0.93 and 0.92 and 0.92 and 0.95 at 0 days and 15 days, respectively. Secondly, the microbial quality by storage days was relatively high with SVCC. The CC and SVCC viable cell and coliform counts were 4.43 and 4.37 LogCFU/g, and 4.53 and 3.60 LogCFU/g, respectively, by 15 days. Also, after reheating, the viable cell and coliform counts satisfide the standards applied in processed food(5.0 and 2.0 LogCFU/g respectively). Lastly, the sensory scores for SVCC were higher than those for CC. Thus, microbial and sensory qualities by days of storage were acceptable and overall quality satisfaction was better for SVCC than CC.

Keywords

References

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