Deoxycholate Lactose Agar is a differential and slightly selective medium used for isolating and differentiating Gram-negative enteric bacilli and for enumerating coliforms in water, wastewater, milk and dairy products.
Composition*
Ingredients
| g/L
|
Proteose Peptone
| 10.0
|
Lactose
| 10.0
|
Sodium Deoxycholate
| 0.5
|
Sodium Chloride
| 5.0
|
Sodium Citrate
| 2.0
|
Agar
| 15.0
|
Neutral Red
| 0.03
|
*Adjusted to suit performance parameters.
Final pH (at 25°C): 7.1 ± 0.2
g/L: Suspend 42.53 g of the powder in 1000mL purified / distilled water. Mix thoroughly.