Russell Double Sugar Agar (Double Sugar Agar, Russell) (DM088) is recommended for differentiation of gram-negative enteric bacilli on the basis of their ability to ferment dextrose and lactose with or without gas formation.
| Ingredients | Gms / Liter |
| Peptic digest of animal tissue | 2.50 |
| Casein enzymic hydrolysate | 7.50 |
| Beef extract | 3.00 |
| Lactose | 10.00 |
| Dextrose | 1.00 |
| Sodium chloride | 5.00 |
| Phenol red | 0.025 |
| Agar | 15.00 |
| Final pH: 7.3 ± 0.2 at 25°C | |
| Formula may be adjusted and/or supplemented as required to meet performance specifications | |
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