Liha töötlemine
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
beef treated with hot water and/or lactic acid (11.0). However, evidence for such cross-
(Ikeda et al. 2003)
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