Tryptic Soy Broth, Modified with 20 mg Novobiocin & Acid Digest of Casein is used for the selective enrichment of enterohemorrhagic E. coli in foods. Conforms to USDA formulation with Novobiocin supplementation in a laboratory setting. Tryptic Soy Broth, Modified with 20 mg Novobiocin & Acid Digest of Casein is not intended for use in the diagnosis of disease or other conditions in humans.
The first major outbreak of E. coli O157:H7 was in 1982, and traced to contaminated hamburgers. Other known sources of infection include sprouts, lettuce, salami, unpasteurized milk, juice and/or swimming in or drinking contaminated water. Tryptic Soy Broth, Modified with 20 mg Novobiocin & Acid Digest of Casein is used to enrich food samples suspected of having low levels of EHEC during pathogen testing.
|Enzymatic Digest of Casein||17 g|
|Acid Digest of Casein||10 g|
|Sodium Chloride||5 g|
|Dipotassium Phosphate||4 g|
|Enzymatic Digest of Soybean Meal||3 g|
|Bile Salts No. 3||1.5 g|
Final pH: 7.3 ± 0.2 at 25°C
Formula may be adjusted and/or supplemented as required to meet performance specifications.
|Product #||Product Description|
|7731A||Tryptic Soy Broth, Modified with 20 mg Novobiocin & Acid Digest of Casein, 500 g|