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KMID : 1011620080240050713
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Korean Journal of Food and Cookey Science
2008 Volume.24 No. 5 p.713 ~ p.721
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Evaluation of the Microbiological Quality of Glazed Spanish Mackerel in Teriyaki Sauce by Adding Lemon Juice Using Sous Vide Cook-chill Method
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김혜영:Kim Heh-Young
고성희:Ko Sung-Hee/이경연:Lee Kyung-Yeoun
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Abstract
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The principal objective of this study was to evaluate the microbiological quality of Glazed Spanish Mackerel in Teriyaki sauce by adding Lemon juice, using a Sous vide Cook-chill method. The control was prepared by mixing 100 g of cut Spanish Mackerel and 15 mL of Teriyaki sauce. 1.5 mL lemon juice was added to 15 mL of Teriyaki sauce. The product was stored at below 3°C, and its microbiological quality was assessed over varying storage periods (0, 5, 10，15 days). Total Plate Counts at product flow showed no significant difference between the control and the lemon juice-added sample. However, the coliform counts at the end of mixing each sauce were detected at low levels of 1.65 Log CFU/g in the lemon juice-added sample, as opposed to 2.63 Log CFU/g in the controls (p<0.05). The microbiological quality by storage day was relatively high in the lemon juice-added samples. After reheating, the Total Plate Counts and Coliform counts of the lemon juice-added samples satisfied the standard applied in the processed food (5.0 and 2.0 Log CFU/g, respectively). It can be concluded that the addition of Lemon juice was more effective in ensuring the safety and extending the shelflife of Sous vide Glazed Spanish Mackerel in Teriyaki sauce.
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KEYWORD
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sous vide, microbiological quality, spanish mackerel, lemon juice, storage days
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