Processing of Functional Mackerel Fillet and Quality Changes during Storage

기능성 고등어 Fillet제조 및 저장 중 품질 변화

  • Published : 2004.03.01

Abstract

In order to endow mackerel fillet with antioxidant effect, functionality and remove fishy smell, chitosan, oligosaccaride, extracts of green tea, dill weed and ginger was used as soaking solution additives. Quality characteristics of soaked mackerel fillet(SMF) was investigated during storage temperature and time after vacuum packing with polyvinyl chloride film. From the results of VBN measurement, initial spoilage was showed within 2 or 3 weeks in SMF soaked with brine including extracts of green tea, herb and ginger at 5$^{\circ}C$. In case of adding chitosan and oligosaccarides to the solution mentioned above, initial spoilage was found from 4 to 7 weeks, oxidation was reduced remarkably and SMF stored at -20$^{\circ}C$ maintained the freshness during 80 days. Viable cell counts were reached to 108 for 3 weeks storage at 5 and 0$^{\circ}C$. But no change of viable cell counts was founded at -20$^{\circ}C$. The shelf-lifes of SMF according to 5, 0 and -20$^{\circ}C$storage temperatures were 2 to 3, 4 to 7 weeks and about 3 months, respectively.

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