Abstract
Probiotic Lactobacillus strains have been widely used in dairy products. Recently, attention has been directed to the use of probiotics in meat products, mainly in fermented sausages. The effect of the utilization of Lactobacillus casei, L. paracasei and L. rhamnosus strains on physicalchemical, microbiological and sensory quality of fermented sausage was evaluated. The sausages were processed in four batches: one was used as the control, while the other three batches received one of the probiotic strains each. The manufacturing procedure described for Italian salami with 25 days of fermentation and ripening was followed. The presence of probiotic Lactobacillus resulted in a faster pH decrease, which affected the taste of the probiotic sausages. There was an increase in acid notes, mostly in the sausage containing L. rhamnosus. The lactobacilli strains also decreased the growth of Staphylococcus xylosus; however, they did not affect the number of Pediococcus pentosaceus and the acceptability of the sausages in the sensory evaluation. All Lactobacillus strains showed an increase in viable cell count during manufacturing and this parameter remained high until the end of ripening. The viability of the utilization of probiotic Lactobacillus, especially L. paracasei and L. casei, in fermented sausage, maintaining the quality characteristics of the product, was demonstrated.
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