The normal and different batch, different ferment stage of solid-fermenter from Shanxi well-known Qingxu Super-Mature Vinegar factory was the research object in the experiment.

• 本试验以山西省久负盛名的清徐老陈醋厂发酵正常、不同批次、不同发酵阶段的醋醅为研究对象。