Method for producing high-protein yeast by using crystalline sugar mother liquor and application of high-protein yeast in lysine fermentation

The invention belongs to the technical field of glucose mother liquor treatment, and relates to a method for producing high-protein yeast by using crystalline sugar mother liquor, which comprises the following steps: step 1) preparing a seed culture medium, step 2) culturing seeds, step 3) preparing a fermentation culture medium, step 4) fermenting yeast, step 5) preparing yeast powder, step 6) preparing a lysine fermentation culture medium, and step 7) fermenting lysine. The crystalline sugar mother liquor is effectively utilized, and the additional value is improved. 本发明属于葡萄糖母液处理技术领域，利用结晶糖母液生产高蛋白酵母的方法，其包括如下步骤：步骤1）配置种子培养基，步骤2）种子培养，步骤3）配置发酵培养基，步骤4）酵母发酵，步骤5）制备酵母粉，步骤6）制备赖氨酸发酵培养基，步骤7）赖氨酸发酵。本发明有效利用了结晶糖母液，提高了附加值。