Liha töötlemine
and restore their acid resistance during sub- decontamination chemical agents may induce
sequent exposure to fresh meat decontamina- tolerance to lethal levels of the same bio-
tion run-off fluids (Skandamis et al. 2009). cides, as well as to other (heterologous)
However, the role of acid adaptation on stresses (cross-resistance or protection).
microbial resistance to decontamination Specifically, Sampathkumar et al. (2004)
treatments possibly depends on the microor- found that pre-treatment of S. enterica
ganism and product storage conditions, since serovar Enteritidis with sublethal levels of
acid adaptation of L. monocytogenes did not TSP (i.e., 1.5%) increased tolerance to higher
seem to affect the survival and proliferation TSP concentrations, and conferred cross-
of the organism during storage at 10°C of tolerance to heat (55°C) and alkaline pH
annaabi.ee 
