Preserving foods using metabolites of propionibacteria other tha

Food or edible material: processes – compositions – and products – Fermentation processes – In presence of biocide or biostat

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426 34, 426 43, 426 61, 426321, 4263302, 4263303, 4263305, 426331, 426334, 426335, 435141, 4352521, 435822, A23C 308, A23C 912, C12P 752

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050967185

ABSTRACT:
A metabolite material of propionibacteria, having a metabolite of molecular weight greater than 300, is added to a food product to inhibit the growth of gram negative psychotropic bacteria, yeast, mold, gram positive bacteria, or Listeria. The metabolite material may contain less than 0.02% propionic acid such that there is insufficient propionic acid per se to inhibit microbial growth. The metabolite material is produced by growing propionibacteria cells in a liquid growth medium to produce a mixture containing the metabolite material. The mixture can be concentrated and added to a food product as a concentrated liquid or powder. The metabolite material added to a food product may contain viable cells of propionibacteria.

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