Lauryl Sulfate Broth (Powder)

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