Technical Data
Media
Antibiotic Medium #9 (Powder)
A2297-33
Microbiological Grade
Storage RT/4C    Shipping RT
Components shown as g/liter
Agar20
Dextrose2.5
Potassium Phosphate, Dibasic2.5
Sodium Chloride5
Papaic Digest of Soybean Meal3
Pancreatic Digest of Casein17
Total per Liter:50.0g
Dehydrated culture media suitable for the microbial assay and detection of antibiotics in milk and plate counts in pharmaceutical products. The activity of an antibiotic can be demonstrated under suitable conditions by its inhibitory effect on organisms.

Components shown as g/liter:
Agar 20
Dextrose 2.5
Potassium Phosphate, Dibasic 2.5
Sodium Chloride 5.0
Papaic Digest of Soybean Meal 3.0
Pancreatic Digest of Casein 17.0
Total: 50.0g/liter

Directions per Liter:
Dissolve 50 grams per liter of ddH2O. Heat with stirring until dissolved. Dispense into appropriate containers, loosen caps and autoclave (15psi) for 15 minutes at 121C.

Storage and Stability:
Store powdered media at RT. Opened bottles should be capped tightly and kept in a dark, low humidity environment. Prepared media should be kept refrigerated and used within a short period of time.


Directions per Liter: Dissolve 50 grams per liter of ddH2O. Heat with stirring until dissolved. Dispense into appropriate containers, loosen caps and autoclave (15psi) for 15 minutes at 121C.

Storage and Stability: Store powdered media at RT. Opened bottles should be capped tightly and kept in a dark, low humidity environment. Prepared media should be kept refrigerated and used within a short period of time.

Appearance: Light tan, homogeneous, free flowing powder

Solubility: Light to medium amber, clear complete, after autoclaving

pH: As Reported


Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.

1. CRF:21, 300.50 2. Bacteriological Analytical Manual, Sixth Ed. (1984) 3. Assay Methods of Antibiotics, Grove, D.C. and Randall, W.A., Medical Encyclopedia Inc., N.Y. (1955) 4. USP XXI, Rockville, MD (1985)