Liha töötlemine
2004) have found that organic acids at
1.6 and 2.4 log10 CFU/cm2, respectively 2% and 5% suppressed growth of the same
(Castillo et al. 2001b). Spraying of carcass pathogens at 12°C, and of L. monocytogenes
tissue with 5% Tween 20 (a nonionic surfac- and Y. enterocolitica during aerobic storage
tant) 15 minutes before acid treatment was or storage in vacuum sealed packages at 4 to
found to loosen or prevent bacterial attach- 10°C. However, Uyttendaele et al. (2001)
ment, thereby facilitating the subsequent found that treatment of beef tissues with 1%
decontamination by lactic acid spraying or 2% lactic acid/sodium lactate buffer solu-
(Calicioglu et al. 2002). Such methods would tion did not affect survival of E. coli O157:H7
probably be more effective on fat-covered on beef stored (4°C) aerobically. Organic
surfaces, such as briskets and ribs or poultry acid applications may also extend the shelf-
annaabi.ee 
