Egg Yolk Tellurite

Used with Baird-Parker Agar Base for the isolation of S. aureus. The enrichment consists of 30% egg yolk suspension with 0.15% potassium tellurite., 6x100 ml.

for microbiology Storage: 2-8°C

Dehydrated culture media Refrigerate, store at 2° to 8°C

CRITERION™ Baird-Parker Agar Base is used with Egg Yolk Tellurite Enrichment as a selective medium for the detection and enumeration of coagulase-positive staphylococci from food samples. Egg Yolk Tellurite Emulsion, Cat. no. R450330, is required for this meduim.

…of Egg Yolk Tellurite Emulsion (FD046) yellow colored, opaque gel forms in petri plates Reaction of 6.3% w/v aqueous solution of basal medium is pH 7.0 ± 0.2 at 25°C Cultural characteristics observed after an incubation at 35 - 37°C for 24 - 48 hours, with added Egg Yolk Tellurite Emulsion…

…aureus . The tellurite additive is toxic to egg yolk-clearing strains other than S. aureus and imparts a black color to the colonies. Glycine, pyruvate enhances growth of Staphylococcus . With the addition of egg yolk, the medium becomes yellow, opaque. The egg yolk additive, in addition…

…aureus . The tellurite additive is toxic to egg yolk-clearing strains other than S. aureus and imparts a black colour to the colonies. Glycine, pyruvate enhances growth of Staphylococcus . With the addition of egg yolk, the medium becomes yellow, opaque. The egg yolk additive, in addition…

…and potassium tellurite inhibit most of the contaminating microflora except Staphylococcus aureus . Glycine, pyruvate enhances growth of Staphylococcus. With the addition of egg yolk, the medium becomes yellow, opaque. Proteolytic bacteria produce a clear zone around colony in egg yolk containing…

…chloride and potassium tellurite inhibit most of contaminating microflora except Staphylococcus aureus . Glycine, pyruvate enhances growth of Staphylococcus . With the addition of egg yolk the medium becomes yellow and opaque. Glycine neutralizes aldehyde, while egg yolk neutralizes phenolic…