Cat.No.
Mic-0077M
Product Name
Universal Beer Agar
Product Details
Universal Beer Agar was formulated by Kozulis and Page to isolate and enumerate a wide variety of bacteria and yeast which are encountered in the brewing industry. The selectivity of this agar allows only the growth of these organisms in the presence of hops constituents and alcohol. The addition of beer to the formulation inhibits the growth of transient airborne microorganisms. Tomato Juice Extract is a source of carbon, nitrogenous compounds, and other nutrients. Yeast Extract provides B-complex vitamins, amino acids, and electrolytes. Dextrose and Lactose (contained in Peptonized Milk) are the main fermentable carbohydrates. Di- and Monopotassium Phosphates act as pH buffers. Magnesium, Ferrous and Manganese Sulfates supply essential ions to stimulate metabolism. Sodium Chloride maintains osmotic equilibrium. Agar is the gelifying agent.
Product Ingredients
Tomato Juice Solids (12.2 g/L), Sodium Chloride (0.006 g/L), Yeast Extract (6.1 g/L), Dipotassium Phosphate (0.31 g/L), Monopotassium Phosphate (0.31 g/L), Ferrous Sulfate (0.006 g/L), Magnesium Sulfate (0.12 g/L), Peptonized Milk (15.0 g/L), Manganese Sulfate (0.006 g/L), Agar (12.0 g/L), Dextrose (16.1 g/L). Final pH: 7.0 ± 0.2 at 25 °C. Grams per liter may be adjusted or formula supplemented to obtain desired performance.
size
500g, 2kg, 10kg
Usage Method
Mix 62 grams of the medium in 750 mL of purified water and heat to a boil with repeated stirring to dissolve completely. While the medium is hot, add and mix 250 mL of beer without degassing. Distribute and autoclave at 121°C for 10 minutes.
Application
Brewing industry
Storage
Store the sealed bottle containing the dehydrated medium at 2 to 30°C. Once opened and recapped, place the container in a low humidity environment at the same storage temperature. Protect it from moisture and light. The dehydrated medium should be discarded if it is not free flowing or if the color has changed from the original color.
Data Sheet
