Product Code | Description | Product Size | Quantity |
CM0163B | DESOXYCHOLATE AGAR 500g | – | 500g |
Desoxycholate Agar 500g
Brand:
Thermo ScientificTM OxoidTM
Isolate, enumerate and differentiate coliforms in dairy products with differential Thermo Scientific™ Oxoid™ Desoxycholate Agar (Dehydrated). The medium is also used for the isolation of enteric pathogens from rectal swabs, feces or other specimens. Differentiation of coliforms is based on the fermentation of lactose. Lactose fermenting bacteria form pink colored colonies while non-lactose fermenters form straw colored colonies.
Desoxycholate Agar, Oxoid Composition
Typical Formula* | gm/litre |
Peptone | 10.0 |
Lactose | 10.0 |
Sodium desoxycholate | 1.0 |
Sodium chloride | 5.0 |
Dipotassium hydrogen phosphate | 2.0 |
Ferric citrate | 1.0 |
Sodium citrate | 1.0 |
Neutral red | 0.03 |
Agar | 15.0 |
pH 7.1 ± 0.2 @ 25°C |
Desoxycholate Agar, Oxoid Preparation:
Suspend 45g in 1 litre of distilled water. Bring to the boil over gauze and flame to dissolve the medium completely. Agitate to prevent charring.
THIS MEDIUM IS HEAT SENSITIVE. AVOID EXCESSIVE OR PROLONGED HEATING DURING RECONSTITUTION. DO NOT AUTOCLAVE OR REMELT.
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 agar plates at 2-8°C.
Dimensions | 10 cm |
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Brand | Oxoid |
Estimated Delivery Time | 1-2 weeks |