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      • 진공포장한 소 등심육의 저장성에 관한 연구

        손태문,김미숙,문윤희 慶星大學校 1997 論文集 Vol.18 No.2

        This study was investigated storage stability period as a result of physico-chemical properties, total plate count and sensory evaluation on storage stability. The vacuum packaged beef loin stored at 2, 10, 20 and 30℃. The result of evaluated quality change was used, and the shelf-life predicted according to change of storage temperature. A judgement of the early stage of decomposition was by criterion according to aroma, color and appearance of slime in sensory evaluation of vacuum packaged beef loin. The early stage of decomposition by storage period were 11 days at 10℃ and 2 days at 20℃, but the stage at 30℃ was decomposed in the first day. The pH, VBN, TBA and total plate counts of the early stage of decomposition were above 6.05, 26.29mg%, 0.987mg malonaldehyde/kg and 10? CFU/cm², respectively. And the storage during 43 days at 2℃ was not decomposed. The appearance of gas during stored by vacuum package not showed in the early stage of decomposition, but showed during the advance of decomposition. The Q? value 5.5 gained as a result of this studies, the storage stability period in different temperature predicted. The 72 days at -1℃ , 61 days at 0℃, 26 days at 5℃, 9 days at 11℃ and 5 days at 15℃ predicted by storage stability period.

      • P3-F계 세제의 살균력 측정

        정명주,손태문,박형숙 慶星大學校 1998 論文集 Vol.19 No.2

        The microbial activity of P3-luboklar FC,FC-A,FC-A(XT)DX and DXB was compared by DGHM Germ Carrier Test method. The following results were obtained. 1. FC,KB and KC has shown to be effective against all strains within 10 minutes. 2. FC-A was effective against E. coli, immediately, and kill could be achieved against Pseudomonas aeruginosa and Staphylococcus aureus within 4 minutes and 16 minutes, respectively. 3. DXB was effective against all strains within 10 minutes with the exeption of B. subtilis. 4. FC-A(XT) was the most effective against B. subtilis.

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