"decontam" - 1 õppematerjal

Liha töötlemine

1998). effectiveness of acid treatment by minimiz- Furthermore, the combination of steam-vac- ing the dilution of acid concentration by the uuming with hot (72 or 95°C at 24 bar for residual surface moisture (Gill and Landers 5 s) and then cold (30°C) water, and/or 2% 2003b). lactic acid (55°C, 11 s) increased log-reduc- Stopforth et al. (2005) performed a study tions of aerobic bacteria, indicator organ- simulating application of multiple decontam- isms, and pathogens up to 4.3–5.3 log10 CFU/ ination treatments (each one for 30 s), includ- cm2, as compared with 1–3 log10 CFU/cm2 ing lactic acid, ammonium hydroxide, SM, reductions obtained by application of single and acidified or basic electrolyzed oxidized treatments (Dorsa et al. 1996b; Castillo et al. water, in order to reduce initial E. coli 1999a; Phebus et al. 1997). Likewise, appli- O157:H7 and S. Typhimurium contamination