|CM0671B||Tetrathionate Broth (USA) 500g||500g|
Tetrathionate Broth (USA) 500g
Thermo ScientificTM OxoidTM
Oxoid Tetrathionate Broth is used for the selective enrichment of Salmonella spp.
Tetrathionate Broth, Oxoid Composition
Tetrathionate Broth, Oxoid Preparation:
Suspend 46g in 1 litre of distilled water and bring to the boil. Cool to below 45°C and add 20ml of iodine-iodide solution immediately before use. Mix continuously whilst dispensing 10ml volumes into sterile tubes. Use the complete medium (with added iodine) on the day of preparation.
The base may be prepared beforehand and kept for several weeks at 4°C. Iodine-iodide solution can then be added at the time of use to the quantity of medium needed.
Storage conditions and Shelf life
Store the dehydrated medium at 10-30°C and use before the expiry date on the label.
Store the base broth at 2-8°C. Use the medium immediately after adding the iodine solution.