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KMID : 1011620120280060753
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Korean Journal of Food and Cookey Science
2012 Volume.28 No. 6 p.753 ~ p.761
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A Study on the Quality Characteristics and Shelf-Life of Marinade Mackerel with Thyme Extract
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김일호:Kim Il-Ho
김지응:Kim Ji-Eung/강재희:Kang Jae-Hee
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Abstract
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Although the mackerel is an excellent food, there are disadvantages of its own smell and its shelf-life. So this study aimed to examine the quality assessment, shelf-life and acceptability of mackerel marinated with different amounts of thyme extract through the salinity, pH, texture, change of color, and sensory evaluation for reducing the smell of it and improving the shelf-life and acceptability of it with the thyme of various physiologic activities. The salinity of mackerel marinated with different amounts of thyme was a lower 2% than that of the existing salted mackerel, 5%, when producing the salted mackerel in the experimental method of this study, reducing the intake of salt. The shelf life of the existing salted mackerel was up to 4 weeks, while that of the salted mackerel marinated with thyme extract was up to 5 weeks. The change in pH during storage showed that the salted mackerel marinated with thyme extract after 5 weeks were within the initial decomposition of dark-fleshed fishes, pH 6.2-6.4, which the shelf life was extended due to the preservative effect of antioxidant content. The acceptability test showed that T 1 marinated with 1% thyme extract was ideal in all flavor, taste and general acceptability.
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KEYWORD
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thyme extract, salinity, antioxidant, shelf life
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