Antibiotic Assay Medium No. 4is supplied by the company, HIMEDIA.

This is an Antibiotic Assay Medium No. 4ideally used for detection of Penicillin in milk samples and in microbiological assay of different antibiotics. Antibiotic Assay Medium No. 4has specifications in accordance with United States Pharmacopoeia.

Product specifications:

• Catalog number:MU140-500G
• Brand: HIMEDIA
• Quantity/unit: Pack of 500g

Product composition:gm/L

• Peptone: 6.000
• Yeast extract: 3.000
• Beef extract: 1.500
• Dextrose :1.000
• Agar: 15.000
• pH after sterilization ( at 25C): 6.60.1

Product features:

• Appearance:Cream to yellow coloured homogeneous free flowing powder
• Gelling: Firm,comparable with 1.5% Agar gel
• Colour and Clarity of prepared medium: Yellow coloured clear to slightly opalescent gel forms in Petri plates.
• Reaction:Reaction of 2.65% w/v aqueous solution (after sterilization). pH : 6.60.1
• pH:6.50-6.70
• Cultural Response:MU140: Growth Promotion is carried out in accordance with USP.Cultural characteristics observed after an incubation at 32-35C for 18-24 hours. Recovery rate is considered as 100% for bacteria growth on Soyabean Casein Digest Agar and fungal growth on Sabouraud Dextrose Agar