Dextrose-Tryptone-NPS
For colony count of mesophilic and detection of thermophilic spore formers in sugar and food.
„Flat-sour“ colonies (e.g. Bacillus coagulans) are greenish-yellow with a yellow halo.
Membrane filter: White with 0.45µm pore size
Recommended incubation condition: 2-3 days at 30°C or 1-2 days at 55°C