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US 4,810,508 AGranted
Process for obtaining foods free of Listeria bacteria
AssigneeSPA-Societa Prodotti Antibiotici S.p.A.
InventorsErnani Dell'Acqua, Tiberio Bruzzese, Holger H. Van Den Heuvel
Life of this patent
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Abstract
A process for the preparation of foods of animal origin wherein efficacious quantities of lysozyme or its non-toxic salts--and optionally of synergic agents or adjuvant--are added to said foods to the purpose of obtaining foods free of Listeria bacteria.
Claims9
A process for the treatment of foods to achieve freedom from Listeria bacteria, which comprises adding in an acidic environment of pH 4.5 to 6.5 an efficacious quantity of lysozyme or its non-toxic salt to a dairy or meat product in an amount sufficient to achieve said Listeria-free foods.
Dependencies are inferred from the claim text.