Liha töötlemine
44 Chapter 3
carcasses for E. coli for verification of the sure, sonication and pulsed light, or pulsed
effectiveness of control measures against electric fields (Cutter and Siragusa 1994a;
fecal contamination; and (iii) establishment Reagan et al. 1996; Naidu and Bidlack 1998;
of microbiological performance standards for Sofos and Smith 1998; Huffman 2002;
Salmonella prevalence as a means of tracking Castillo et al. 2003; Sofos 2005; Aymerich et
pathogen reduction (USDA-FSIS 1996c; al. 2008; Kalchayanand et al. 2008). However,
Sofos et al. 1999a, b, c, d; Rose et al. 2002). most of these alternatives are still under
The need for compliance with zero tolerance investigation and have not been applied in
and microbiological criteria imposed by reg- practice yet. The main focus of the following
ulatory authorities or the industry, as well as paragraphs is to discuss commercially applied
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