Technical Data
Standard Methods Agar (Powder)
Microbiological Grade
Storage RT/4C    Shipping RT
Components shown as g/Liter
Casein Digest Peptone 5.0
Glucose 1.0
Yeast Extract 2.5
Total: 23.5g/Liter
A standard methods medium used in water, dairy products and food analysis.

Appearance: Light beige to tan, homogeneous, free-flowing powder

Solubility: Light beige to amber, clear to slightly hazy, complete after autoclaving

Final pH: 7.0 0.2 at 25C

Expected Cultural Response (18-24h at 35C):
Lactobacillus acidophilus ATCC 11506: Good growth
Staphylococcus aureus ATCC 25923: Good growth

Directions per Liter: Suspend 23.5g of the powder in 1L of distilled water. Mix until evenly dispersed. Heat with repeated stirring and boil for 1 minute to dissolve completely. Dispense into appropriate containers, loosen caps and autoclave for 15 minutes at 121C (15psi). Sterile solidified medium can only be remelted once; do not heat medium longer than 3 hours at 45-50C .

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 at 4C and used within a short period of time.

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.