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Abstract The effect of temperature on the growth dynamics of Lactobacillus plantarum in the model environment of UHT milk was investigated. Based on the experiments between temperatures ranged from 8 to 40 °C, growth dynamics of the studied isolate was positively determined by the cultivation temperature that led to increasing intensity of growth in the exponential phase (except for temperatures 38 and 40 °C). Final counts in stationary phase have reached concentrations about 10 7 CFU · ml −1 from initial 10 3 CFU · ml −1 , except for marginal 8 and 40 °C. Experimentally, it was found, that optimal temperature was close to 37 °C, where the fastest specific growth rate in an exponential phase was recorded (μ = 0.7683 h −1 , t d = 54 min) and the stationary phase was reached after 24 h of incubation. During the growth and multiplication of Lb. plantarum , no significant decrease of pH values in comparison to initial ones in dependence on temperature were determined (0.00—0.24 units).
Matejčeková et al. (Sat,) studied this question.