|OXYTETRACYCLIN GLUC YEAST EXT 500g
Oxytetracyclin Glucose Yeast Extract 500g
Thermo ScientificTM OxoidTM
Selectively enumerate yeasts and molds from foodstuffs with Thermo Scientific™ Oxoid™ Oxytetracycline Glucose Yeast Extract Agar Base (Dehydrated). The medium is based upon the formulation described by Mossel et al. which utilizes oxytetracycline selectivity to provide increased counts of yeasts and molds compared to other media that utilize a low pH as a selective agent. Improve the recovery of physically stressed yeast cells on this neutral pH medium.
Oxytetracycline Glucose Yeast Extract Agar Base (Dehydrated), Oxoid Composition
|pH 7.6 ± 0.2 @ 25°C
Oxytetracycline Glucose Yeast Extract Agar, Oxoid Preparation:
Suspend 18.5g in 500ml of distilled water and bring gently to the boil to dissolve completely. Sterilise by autoclaving at 115°C for 10 minutes. Allow the medium to cool to 50°C and aseptically add the contents of one vial of Oxytetracycline GYE Selective Supplement (SR0073) reconstituted as directed. Mix thoroughly and pour into sterile Petri dishes. The pH of this medium should be 7.0±0.2 @ 25°C.
Storage conditions and Shelf life
Store the dehydrated medium at 10-30°C and use before the expiry date on the label.
Store the prepared medium at 2-8°C.
The lactic-acid bacteria are inhibited on this medium.