VIOLET RED BILE AGAR (VRBL)

VIOLET RED BILE AGAR (VRBL)

VIOLET RED BILE AGAR (VRBL)

0 In stock
P/N: BK152HA
OR
Application:  Violet Red Bile Agar (VRBL) is a selective medium used for the detection and enumeration of coliform and thermotolerant coliforms food products.
Microorganisms: Coliforms
Formula:

For 1 liter of media :
- Peptic digest of meat 7,0 g
- Yeast extract 3,0 g
- Lactose 10,0 g
- Bile salts 1,5 g
- Sodium chloride 5,0 g
- Neutral red 30,0 mg
- Crystal violet 2,0 mg
- Bacteriological agar 12,0 g

pH of the ready-to-use media at 25 °C : 7,4 ± 0,2

Quantity for preparation of 1 L:

38,5 g

Sterilization: Bring to boil 2 min.
Inoculation: 1 mL in a double layer
Incubation: 24 ± 2 h at 30 or 44 °C 
Packing:      500 g