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초록·키워드 목차

Alaska Pollack (Theragramma), Mackerel (Socomber japonicus), yellow corvenia (Pseudosc iance manchurica) were dressed, and then meat was separated from the other parts through a fish meat separator. After dehydration, the meat was ground with a silent cutter, packaged in polyethylene bags, and stored at -15。C for days. Samples were taken at regular intervals throughout the storage period and investigated for changes in puality characteristics such as the amounts of nitrogenous compounds, degree of lipid oxidation, fatty acid composition, and organoleptic factors. The resrlts obtained in this study were as follows; 1. The volatile basic nitrogen[VBN] contents of Alaska pollack, and yellow corvenia meat pastes increased from 14.4, 11.2 and 10.8mg% to 41.6, 38.3 and 40.6mg%, respectively during a 120 day storage period, whereas the trimethylamine oxide nitrogen [TMAO-N] contents decreased from 117.2, 12.8 and 17.2mg% to 40.3, 2.6 and 7.1mg% during the same period. 2. The TBA value of the mackerel meat paste showed a maximum peak after 60 days, and then decreased gradually, whereas the TBAvalues of the alaska pollack and yellow corvenia meat pastes increased steadily during the same period. The acid values of the meat pastes increased during the storage period, while the iodine values decreased. 3. The fatty acid composition of the total lipid of the meat pastes changed considerably during ghe 120 days storage period : saturated fatty acids in the total lipid such as myristic, palmitic, and stearic acid increased, while unsaturated fatty acids such as linoleic, gadoleic, eicosapentaenoic, erucic and docosahexaenoic acid decreased steadily. The initial percentage contents of the unsaturated fatty acids in the total lipid of the Alaska pollack, mackerel, and yellow corvenia meat pastes were 87.2%, 63.9%, and 75.9% respectively. However, the contents decreased to 46.0%, 42.5% and 51.3% after the 120day storage period. 4. The color of the meat pastes changde gradually into dark brown. L values of the meat paste measured with a thistimulus colorimeter decreased steadily during the storage period, while a and b values increased during same period. 5. Judging from the results of organoleptic evaluation on the fish odor, color and overall acceptability, significant difference were found between the odor and color of the mackerel and those of the yellow corvenia meat pastes. Overall acceptability score of yellow corvenia was higher than that of Alaska pollack or mackerel meat pastes.

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저자의 논문

    • 이성갑 (한국기술사회, 한국기술사회 식품분회, 호서대/강원대 식품공학과, 한국과학기술정보연구원)
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