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M3895-06 Middlebrook 7H11 Mycobacteria Agar (Powder)

Specifications
References
Grade
Microbiological Grade
EU Commodity Code
38210000
Shipping Temp
RT
Storage Temp
RT/4°C
Powder

Used as a medium for cultivation of Mycobacterium sp. when supplemented with glycerol and OADC. Modification of Middlebrook 7H10 or 7H9 formulations.

Appearance
Light blue-beige, homogeneous, free- flowing powder
Solubility
Pale to light greenish-grayish white, trace to slightly hazy
pH
6.6 ± 0.2
Expected Culture Response
3-28 days at 35°C under CO2.
Growth Analysis
Mycobacterium fortuitum Group IV ATCC 6841 Mycobacterium intracellulare Group III ATCC 13950 Mycobacterium kansasii Group I ATCC 12478 Mycobacterium scrofulaceum Group II ATCC 19981 Mycobacterium tuberculosis H37Ra ATCC 25177
Directions per Liter
Mix 19g of medium into 900ml of distilled/deionized (DDI) water and 5ml glycerol. Heat to boiling until dissolved completely. Autoclave for 10 minutes at 121ºC (15psi). Cool to 45-50°C and aseptically add 100ml of OADC enrichment.
Storage and Stability
Store powdered media at RT. Stable for 12 months after receipt. Opened bottles should be capped tightly and kept in a dark, low humidity environment. Prepared media should be kept refrigerated protected from light, and used within a short period of time.
Media Formulation
Formulation per Literg/Liter
Components
Agar13.5
Sodium Phosphate, Dibasic1.5
Potassium Phosphate, Monobasic1.5
Pancreatic Digest of Casein1.0
Ammonium Sulfate0.5
Monosodium Glutamate0.5
Sodium Citrate0.4
Ferric Ammonium Citrate0.04
Magnesium Sulfate0.05
Copper Sulfate0.001
Pyridoxine0.001
Zinc Sulfate0.001
Biotin0.0005
Calcium Chloride0.0005
Malachite Green0.00025
Total:19g/Liter
References
1. APJH, 98:844 (1968) 2. Am. Rev. Resp. Dis., 98:925 (1968).
USBio References
No references available
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