0前言长期以来，我国以豆类原料生产粉丝的加工厂往往只注重提取淀粉，生产过程中，大量营养丰富的蛋白浆液，绝大部分生产厂家没有很好利用，而是作为废浆液排放掉。这不仅造成环境污染，形成社会公害，而且浪费了宝贵的蛋白质资源。经提取的粉丝废浆液蛋白质水解后可用作被人 0 Foreword For a long time, China’s processing factories that produce beans and legumes as raw materials often focus on the extraction of starch. During the production process, a large number of nutrient-rich protein slurries are used. Most manufacturers do not make good use of them but discharge them as waste slurry. This not only causes environmental pollution, creates social hazards, but also wastes precious protein resources. The extracted fan waste slurry can be used as a human after it is hydrolyzed