Selection of Mixed Cultures for Meat Fermentation

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Abstract
Strains of Pediococcus cerevisiae, Pediococcus acidilactici, Lactobacillus plantarum, Lactobacillus casei and Micrococcus varians were studied with the aim of preparing mixed cultures of compatible strains for meat fermentations. Addition of 0.18% nitrite was slightly inhibitory while addition of 7% of a spice mix proved stimulatory. Antibiosis was observed between lactobacilli and pediococci. Micrococcus varians did not produce inhibitory substances toward other cultures and was insensitive to bacteriocins produced by the lactobacilli or the pediococci. Antibioses observed using disk assays were confirmed in mixed acidification trials, and mixes of some fast‐acidifying strains were unsuccessful.