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Detect coliform organisms in water, waste water and dairy products with selective Thermo Scientific™ Oxoid™ Lauryl Tryptose Broth (Dehydrated), while conforming to the formula detailed by American Public Health Association. Lauryl Tryptose Broth is designed to promote a rich growth and copious gas production from small inocula of coliform organisms.
| Description | Lauryl Tryptose Broth (Lauryl Sulphate Broth) |
| Form | Powder |
| Product Type | Dehydrated Culture Media |
| Quantity | 500 g |
| Yield | For 14.0L medium |
| Unit Size | Each |
| Description | Lauryl Tryptose Broth (Lauryl Sulphate Broth) |
| Form | Powder |
| Product Type | Dehydrated Culture Media |
| Quantity | 2.5 kg |
| Yield | For 70.0L medium |
| Unit Size | Each |
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| CM0451B | Each | 500 g | 申請報價 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| CM0451R | Each | 2.5 kg | 申請報價 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Use Lauryl Tryptose Broth for detection of coliform organisms in water, wastewater and dairy products for the presence of indicator groups such as coliforms. Besides safety, indicator groups provide a measure of food quality and spoilage potential. One of the most common groups of bacteria employed as indicator organisms by the food industry are the coliforms, which can be regarded as a subgroup within the Enterobacteriaceae
- Selective: sodium lauryl sulphate selects for coliform group
- Recommended by APHA1 for the Most Portable Number (MPN) presumptive test of coliforms in water, effluent or sewage.
The advantage of using Lauryl Tryptose Broth is that, in addition to giving the fermentation reaction typical of MacConkey Broth, it can also be tested for the presence of indole.
The APHA1 recommend that Lauryl Tryptose Broth should be used for the Most Probable Number (MPN) presumptive test of coliforms in waters, effluent or sewage as a confirmatory test of lactose fermentation with gas production for milk samples (APHA2) and for the detection of coliforms in foods (APHA3 ).
Not all products are available for sale in all territories. Please inquire.
Remel™ and Oxoid™ products are now part of the Thermo Scientific brand.
For Laboratory Use Only
1. American Public Health Association (1980) Standard Methods for the Examination of Water and Wastewater. 15th Edn. APHA Inc. Washington DC.
2. American Public Health Association (1978) Standard Methods for the Examination of Dairy Products. 14th Edn. APHA Inc. Washington DC.
3. American Public Health Association (1976) Compendium of Methods for the Microbiological Examination of Foods. APHA Inc. Washington DC.
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