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Quality Characteristics of Sliced Raw-fish Washed by Different Methods during Storage  

Oh, Seung-Hee (Department of Diet and Culinary Art, Pohang College)
Jung, Yoo-Kyung (Department of Food Science and Technology, Faculty of Food Industrial Technology, Catholic University of Daegu)
Kim, Su-Hyun (Department of Food Science and Technology, Faculty of Food Industrial Technology, Catholic University of Daegu)
Kim, Soon-Dong (Department of Food Science and Technology, Faculty of Food Industrial Technology, Catholic University of Daegu)
Publication Information
Food Science and Preservation / v.14, no.6, 2007 , pp. 571-577 More about this Journal
Abstract
Storage characteristics of fresh and thawed sliced raw fish (flounder and rockfish) washed in different solutions (tap water, A; jade water, B; 0.2% chitosan-ascorbate (CA), C; 0.03 ppm ozone water, D; 1.5% vinegar containing jade water, E; 1.5% vinegar and 0.2% CA containing jade water, F) at $10^{\circ}C$ were investigated. Changes in pH and acidity of thawed sliced raw fish (TS) during storage were lower than for fresh sliced raw fish (DS). The total microbial content (log cfu/g) of A stored for 3 days in DS was 6.7 (which represented an increase of 1 log cycle compared with day zero), but was 5.50 in B, 3.23 in C, 4.90 in D, 2.40 in E and 1.77 in F, the latter similar to counts at day zero. The degree of microbial contamination of DS and TS followed the order F > E > D > C > B > A in flounder, and F > E > C > D > B > A in rockfish. In general the hardness and chewiness of TS was less than for DS. While the effect of CA on TS texture was not significant in flounder, the effect showed in rockfish. For DS, the appearance in B, C and D was relatively good, as was freshness. Fishiness of flavor was in the order A > B > F > E > D > C. Overall acceptability of flounder and rockfish treated with C was better than treatment with the other washing agents. For TS the appearance of flounder and rockfish were good in B and C. The freshness of flounder and rockfish were in the order of D > C > B > A > E > F and D > C > B > A > E > F, respectively. Fishiness of the flavor of sliced raw fish was lowest in D, which also provided the best overall acceptability.
Keywords
storage characteristics; raw-fish; flounder; rockfish; minimal processing;
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Times Cited By KSCI : 7  (Citation Analysis)
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