窖泥糟醅发酵过程微生物多态性特征

Microbial Polymorphism in the Pit Mud and Fermented Grains during Fermentation

窖泥糟醅是发酵过程微生物栖息的生态环境,其中微生物种群随发酵过程的进行而不停地演替和代谢,具有明显的多态性。其微生物种群的多态性主要表现为厌氧异氧菌、甲烷菌、己酸菌、乳酸菌、硫酸盐还原菌、硝酸盐还原菌等。由微生物种群的多态性必然引起微生物种群作用特征的多态性、发酵代谢产物的多态性,必然也引起产酒质量的多态性。

The pit mud and the fermented grains are the habitat for microbes in the fermentation. The metabolism and succession of microbial population took place ceaselessly during the fermentation and led to microbial polymorphism which mainly presented as anaerobe, methane bacteria, caproic acid bacteria, lactic acid bacteria, sulfate reducing bacteria, and nitrate reducing bacteria etc. Then microbial polymorphism would undoubtedly result in the polymorphism of microbial population functions, the polymorphism ofmetabolites, and the polymorphism of liquor quality.