"penetra" - 1 õppematerjal

Liha töötlemine

reported reductions for pathogens such as E. improves the presentation of carcasses coli O157:H7 and Salmonella inoculated on (Kochevar et al. 1997b). However, careful carcass tissues are in the range 1.9 to 3.5 log10 selection of washing pressure needs to be CFU/cm2 (Castillo et al. 1998b, c; Hardin made, because application of high pressure et al. 1995; Cutter and Rivera-Betancourt water-washing may lead to potential penetra- 2000). tion of bacterial contamination to inner layers In addition to washing time, temperature of tissue, while low pressures may simply and pressure, the effectiveness of washing result in translocation of the microbial cells also depends on bacterial population densi- on the carcass surface (De Zuniga et al. 1991; ties, the condition (temperature of carcass Anderson et al. 1992; Ellerboek et al. 1993;