Orphaned as a baby, Robinson began performing in local beer gardens at age six.Within two years, this young "hoofer," or song-and-dance man, was entertaining audiences far from home.
The article briefly introduces the production of biacetyl and the relations of fermentation technology and biacetyl.The ways of how to manage the content of biacetyl during beer brewing are discussed.
The usaul contaminate in beer are bacterium,fungus and wild yeast, most of them are anaerobion causing the muddy, flavor chaging and turning sour, Beer anaerobic culture medium should be found out.