Chocolate Agar Base

ARTICLE NO. OLFC-500
HSN NO. 38210000


Pack Size

Size
100 GM
500 GM

Application

For the isolation and cultivation of fastidious microorganisms like Neisseria gonorrhoeae.


Specifications

PHYSICAL PARAMETERS
Description A fine, free flowing, hygroscopic powder
Color Beige colored powder.
Solubility Soluble in Distilled/de-ionized water at 50°C
Color Light amber colored opalescent
pH 7.2 ±0.2 at 25˚C (45.50 g/ l)
Solidification 40 ˚C
Color Chocolate brown colored opaque gel (with haemoglobin solution)

Contents

Ingredients Gram/Litre
Protease Peptone20.00
Dextrose0.50
Sodium Chloride5.00
Disodium hydrogen Phosphate5.00
Agar15.00
pH at 25˚C7.2 ±0.2


Directions

Dissolve 45.50 grams in 495 ml distilled water. Boil to dissolve the medium completely and sterilize by autoclaving at 15 lbs pressure (121 °C) for 15 min, cool it to 42-45 °C. Add 500 ml of sterile hemoglobin solution and mix thoroughly and distribute aseptically in petri plates. Ensure complete solidification and inoculate test sample aseptically. Sterile 2% hemoglobin solution: Add 10 ml of hemoglobin to distilled water and bring volume to 500 ml. Mix thoroughly and autoclave for 15 min at 15lbs pressure at 21°C. Cool at 45°C -50°C. The media can also be enriched with yeast autolysate supplement or vitamin growth supplement reconstituted. Mix well before pouring.