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  1. Laboratory Methods (Food)

BAM Media M199: Middlebrook 7H10 Agar

Media Index for BAM

October 2023

Middlebrook 7H10 Agar base *

19.47 g

Middlebrook OADC Enrichment **

100 ml

Glycerol

5 ml

Distilled water

900 ml

Middlebrook 7H10 Agar base *

19.47 g

Ammonium sulfate

0.50 g

Monopotassium phosphate

1.50 g

Disodium phosphate

1.50 g

Sodium citrate

0.40 g

Magnesium sulfate

0.025 g

Calcium chloride

0.0005 g

Zinc sulfate

0.001 g

Copper sulfate

0.001 g

L-Glutamic acid

0.50 g

Ferric ammonium citrate

0.04 g

Pyridoxine hydrochloride

0.001 g

Biotin

0.0005 g

Malachite green

0.00025 g

Agar

15.00 g

Middlebrook OADC Enrichment **

100 ml

Bovine Albumin Fraction V

5.00 g

Dextrose

2.00 g

Catalase

0.004 g

Oleic acid

0.05 g

Sodium chloride

0.85 g

Distilled water

100 ml

* Middlebrook 7H10 Agar base are available from Fisher Scientific (Catalog No. DF0627-17-4), MilliporeSigma (SKU M0303), and other vendors with equivalent formulations.

** Middlebrook OADC Enrichment are available from Fisher Scientific (Catalog No. R450605), MilliporeSigma (SKU M0678), and other vendors with equivalent formulations.

Suspend 19.47 g of Middlebrook 7H10 Agar base in 900 ml of Distilled water containing 5 ml of Glycerol. Heat with agitation and boil for 1 minute to completely dissolve. Autoclave at 121oC for 10 minutes. Cool to 50-55oC and aseptically add 100 ml of Middlebrook OADC Enrichment. Mix and dispense. Final pH 6.6 +/- 0.2 at 25oC. Store the plates at 2-8oC with expiration in 90 days.

 
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