北方人工老窖窖泥衰退的原因及预防措施

The Degradation Cause of Manmade Aged Pit Mud in Northern China & the Related Prevention Measures

发酵窖池和窖泥质量直接影响着浓香型白酒的质量,窖泥老化衰退会影响酒的质量和发酵糟醅的出酒率。引起窖泥老化的原因有:自然环境的影响、生产条件的影响、微生物代谢的影响、生物化学反应造成的影响、己酸菌种选育造成的影响等。可采取选用合适的菌种培养窖泥、养护好窖池、合理的工艺条件等预防措施,延缓窖泥的衰退、老化。

The fermentation pits and pit mud quality has direct effects on the quality of Luzhou-flavor liquor. The aging and degradation of pit mud would influence liquor quality and liquor yield. The aging cause of pit mud covers natural environment, production conditions, microbial metabolism, biochemical reaction, and the breeding of caproic acid bateria etc. In order to prevent and prolong pit mud aging and degradation, the following measures were adopted： selection of proper bacterial species for pit mud culture, careful maintenance of pits, and appropriate technical conditions. （Tran. by YUE Yang）