Lauryl Sulfate Broth (Powder)

Cat# L1400-500g

Size : 500g

Brand : US Biological

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Phone : +1 850 650 7790


L1400 Lauryl Sulfate Broth (Powder)

Grade
Microbiological Grade
Shipping Temp
RT
Storage Temp
RT

Standard methods medium for growth of coliform bacteria in water and food.

Lauryl Sulfate Broth was formulated by Malimann and Darby (1) for detection of coliform bacteria in water. This is a selective medium because it contains sodium lauryl sulfate which inhibits Gram positive microorganisms. Lactose is added to detect rapid lactose fermentation by coliforms.

Quality Control Summary:
Expected cultural response after 18-24 hours at 35.0°C..

Organism Result
Enterobacter aerogenes ATCC 1304 Growth, Gas +
8 Escherichia coli ATCC 25922 Growth, Gas +
Proteus mirabilis ATCC 12453 Growth, Gas -
Salmonella typhimurium ATCC 14028 Growth, Gas -
Staphylococcus aureus ATCC 25923 No Growth

Appearance: White to off-white crystalline powder
Solubility: Clear, light amber and complete
pH: 6.8± 0.2

Applications
Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
References
1. Mallmann, W. L., and C. W. Darby. 1941. Uses of a lauryl sulphate tryptose broth for the detection of coliform organsisms. Am J. Public Health. 31:127.