A sterile, stabilized tellurite emulsion of egg yolk recommended for identification of Staphylococcus species.
Egg yolk tellurite emulsion contains egg yolk emulsion and potassium tellurite. Egg yolk particularly rich in lecithin, a substrate for the enzyme lecithinase. Production of lecithinase is a differentiating characteristic shared by a number of bacteria species including Clostridium, Bacillus and Staphylococcus. Potassium tellurite act as selective agent for Staphylococcus species.
Microxpress® Egg Yolk Tellurite Emulsion is pre-diluted selective supplement for Baird Parker Agar Base.
Composition per 100 mL vial:
Egg yolk
| 30.0 mL
|
Sterile Saline
| 64.0 mL
|
Sterile 3.5% Potassium Tellurite Solution
| 6.0 mL
|
