B1132 

LISTERIA IDENTIFICATION AGAR BASE, MODIFIED (PALCAM)

Formula

Ingredients 

gms/lit.

Peptone

Yeast extract

Sodium Chloride

Starch

D (-) Mannitol

Ammonium ferric citrate

Esculin

Dextrose

Lithium chloride

Phenol red

Agar

23.00

3.00

5.00

1.00

10.00

0.50

0.80

0.50

15.00

0.08

13.00

Final pH (at 25°C) : 7.2 + 0.2

Directions 

Suspend 71.88 gms. in 1000ml. distilled water. Heat to boiling to dissolve the medium completely. Sterilize by autoclaving at 15 lbs pressure (121°C) for 15 minutes. Cool to around 50°C and aseptically add rehydrated contents 1 vial of Listeria Selective Supplement (PALCAM) (BF072). Mix well and pour into sterile petri plates.

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