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.
啤酒中污染的常见有细
、霉
、
酵母
,但
要存在危
大的
是细
中的大部分厌氧
,会使啤酒产
浑浊、变味、变酸等。