Patent ID: 8883442

Claim:
A culture medium for selective growth of Listeria spp., comprising: between about 1 g/L and 10 g/L of enzymatically digested soybean meal; between about 1 g/L and 10 g/L tryptone; between about 1 g/L and 10 g/L beef extract; between about 1 g/L and 10 g/L yeast extract; between about 10 g/L and 45 g/L of MOPS buffer; between about 0.1 g/L and 0.5 g/L of iron (III) citrate; between about 7 g/L and 9 g/L of lithium chloride; between about 0.6 and 5 g/L of MgSO 4 ; between about 1 g/L and 5 g/L of sodium pyruvate; and a biologically effective combination of nalidixic acid, cycloheximide and acriflavine hydrochloride.