Compound enzyme preparation for improving and stabilizing beer fermentation degree, and application thereof

The invention provides a compound enzyme preparation for improving and stabilizing the beer fermentation degree. The compound enzyme preparation comprises a compound enzyme and auxiliary materials, and the compound enzyme comprises the following single enzyme components: medium temperature alpha-amylase, glucoamylase, pullulanase, neutral protease, aminopeptidase, hemicellulase and beta-glucanase.The invention also provides a method for applying the compound enzyme preparation in beer fermentation. Different amylases and proteases are compounded with glucanase and hemicellulase, starch and non-starch polysaccharides in malt and ingredients of beer raw materials are effectively hydrolyzed, fermentable sugar in wort is increased, the purpose of stabilizing the content of fermentable sugar and alpha-N in wort is achieved, the fermentation degree and stability of wort are improved at low cost, and the problem that fermentation of malt beer of different batches is unstable is solved. 本发明提供了一种用于提高和稳定啤酒发酵度的复合酶制剂，包括复