UNIVERSAL BEER AGAR, MODIFIED

Kozulis and Page developed Universal Beer Agar Modified, to which beer is added for detecting microbial contamination, has conditions found in typical brewery products and thus helps in growth of most variants of lactic acid bacteria. Universal Beer Agar, Modified supports the growth of Lactobacilli, Pediococci, Acetobacter , Lymomonas species and wild yeast strains which may be found infecting the pitching yeast, the cooled wort or during fermentation or storage of the finished beer. Due to the presence of beer in these media, it is selective for growth of microorganisms that have adapted themselves to the existent conditions in the brewery. The presence of hop constituents and alcohol inhibits growth of many airborne microorganisms not adapted to this environment.

for culturing microorganisms of signi?cance in the brewery industry