Universal Beer Agar
SKU No.  700003472  | Catalog No.  NCM0171A
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Universal Beer Agar

SKU No.  700003472  |  Catalog No.  NCM0171A

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Universal Beer Agar is used for the cultivation of bacteria and yeasts encountered in the brewing industry in a laboratory setting. Universal Beer Agar is not intended for use in the diagnosis of disease or other conditions in humans.

Universal Beer Agar was developed by Kozulis and Page and used as a basal medium supplemented with beer. The developers compared this formula with other media commonly used in breweries for detecting microbial contamination. The characteristics of Universal Beer Agar are closer to natural environmental conditions found in a typical brewery. Universal Beer Agar supports the growth of more lactic acid bacteria and yields larger colonies in a shorter time than traditional brewer’s media. Supplementing this medium with beer has produced a selective environment for organisms that are adapted to existent conditions in the brewery. The presence of hop constituents and alcohol inhibits growth of many airborne microorganisms not adapted to this environment.

Universal Beer Agar supports growth of Lactobacillus, Pediococcus, Acetobacter, and yeasts that are known beer contaminants. Universal Beer Agar is abbreviated as UBA.

Specifications
BrandNeogen® Culture Media
AnalyteBacteria and Yeasts
PlatformDehydrated Culture Media
Mass500 g
Formula
FormulaLiter
Tomato Juice Solids7.0 g/L
Yeast Extract10.0 g/L
Dextrose10.0 g/L
Dipotassium Phosphate0.5 g/L
Monopotassium Phosphate0.5 g/L
Magnesium Sulfate0.125 g/L
Sodium Chloride0.01 g/L
Ferrous Sulfate0.01 g/L
Manganese Sulfate0.01 g/L
Peptonized Milk15.0 g/L
Agar12.0 g/L
Grams per Liter55.00
Liters per 500 g9.00
Plates per 500 g500.00
Preparation
  1. Suspend 55 g of the medium in 750 mL of purified water.
  2. Heat with frequent agitation and boil for one minute to completely dissolve the medium.
  3. While medium is hot, add and mix 250 mL of beer without degassing.
  4. Autoclave at 121ºC for 10 minutes.
  5. Cool to 45-50ºC.
Previous Item NumberProduct was previously known as Acumedia Product: 7574 Universal Beer Agar
Package Dimensions4.60 in x 2.90 in x 8.60 in
Package Weight1.35 lb

Documents

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Universal Beer Agar - Technical Specifications Sheet - English - US

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