Behaviour of B. sporothermodurans LTIS27 spores (4 104 spores/ml) and vegetative cells (2 104 cfu/ml), in milk at 37 C for 5 days, without inhibitors (A), in presence of
nisin (50 UI/ml) (B) or potassium sorbate (2%) (C). Values given are means (error bars represent standard deviations) of three independent experiments.