LACTOSE AGAR

Selective medium for Gram negative Enterobacteria in urine and feces

LACTOSE AGAR WITH BROMOTHYMOL BLUE AND CRYSTAL VIOLET (DRIGALSKI) - 500 g

Selective medium for Gram negative Enterobacteria in urine and feces

Applications

Selective isolation
ENTEROBACTERIA

Packaging

Suspend 50 grams of the medium in one liter of distilled water. Mix well and dissolve by heating with frequent agitation. Boil for one minute until complete dissolution. Sterilize in autoclave at 115 ºC for 20 minutes.Cool to 45-50ºC, mix well and dispense into plates.

Formula

Lactose 15
Casein Peptone 7.5
Meat Peptone 7.5
Beef Extract 3
Yeast Extract 3
Sodium Thiosulfate 1
Sodium Desoxycholate 1
Bromothymol Blue 0.08
Crystal Violet 0.005
Bacteriological Agar 12

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