Method for extracting protein from Chinese wolfberry fruit leftovers

The invention discloses a method for extracting protein from Chinese wolfberry fruit leftovers, and relates to the field of food processing. The method is used for extracting Chinese wolfberry fruit protein from Chinese wolfberry fruit leftovers by adopting leftover rehydration, colloid mill grinding, enzymolysis, plate-frame filtering, ultrasonic assisted microwave extraction, nano-filtration membrane concentration and the like, and ahs the characteristics of short extraction time, low energy consumption, high extraction rate and industrial production. The extraction method has a simple process, the protein extraction rate from Chinese wolfberry fruit leftovers can be over 92 percent, and the content of Chinese wolfberry fruit protein in a product is 60 percent. 本发明公开了种枸杞下脚料中蛋白质的提取方法，涉及食品加工领域，采用枸杞下脚料复水、胶体磨破碎、酶解、板框过滤、超声波辅助微波提取和纳滤膜浓缩等技术方法提取枸杞下脚料中的枸杞蛋白质，具有提取时间短、能耗低、提取率高、可产业化生产的特点。该枸杞蛋白质的提取方法工艺简单，枸杞下脚料中蛋白质提取率达到92％以上，产品中枸杞蛋白质含量60％。