Desoxycholate Agar 1020 Condalab
Desoxycholate Agar is a selective and differential medium for the isolation and differentiation of Gram-negative enteric bacilli. Leifson demonstrated improved recovery of intestinal pathogens from specimens containing normal intestinal flora. The Desoxycholate and Citrate salts inhibit the development of the Gram-positive organisms. The Peptone mixture provides nitrogen, vitamins, minerals, and amino acids essential for growth. Lactose is the fermentable carbohydrate providing carbon and energy. Dipotassium phosphate acts as a buffer system. Sodium chloride supplies essential electrolytes for transport and osmotic balance. Neutral red is a pH indicator. Bacteriological agar is the solidifying agent.
Formula | g/L |
Bacteriological Agar | 16 |
Ferric ammonium citrate | 1 |
Neutral Red | 0.033 |
Sodium Chloride | 5 |
Sodium deoxycholate | 1 |
Dipotassium phosphate | 2 |
Lactose | 10 |
Peptone Mixture | 10 |
Sodium Citrate | 1 |