Thermo Fisher, CM0073B, Dextrose Tryptone Broth (Dehydrated)

Quantity: 500 g
Unit Size: Each
Canned foods are more often prone to flat sour spoilage due to contamination by either mesophilic or thermophilic aerobic spore formers. Dextrose Tryptone Broth is recommended by the American Public Health Association^1 and Baumgartner and Hersom^2 for the bacterial examination of low and medium acid canned foods (pH 4.5 and above). Both methods include inoculation of 10mL amounts of the broth with one or two grams of the food product. For food products in this pH range, the suggested procedure is aerobic cultivation in Dextrose Tryptone Broth in parallel with anaerobic cultivation in other media.