Preparation method and application of lycium ruthenicum extract

According to the preparation method of the lycium ruthenicum extract, provided by the invention, through the steps of pretreatment, enzymolysis extraction, surfactant-assisted extraction, centrifugal concentration, membrane filtration impurity removal and freeze-dried powder preparation, the concentration of active ingredients of lycium ruthenicum extract species can be effectively improved; the lycium ruthenicum is firstly subjected to enzymolysis treatment by using pectinase and cellulase, and then the surfactant is used for cooperating with microwave to assist extraction, so that the concentration of effective components, namely anthocyanin and polysaccharide, in the lycium ruthenicum can be increased, and compared with a conventional alcohol extraction means, the lycium ruthenicum can be directly added into food without removing an organic reagent; the problems that the nutrition activity is easy to lose and the dissolvability is poor after powder preparation are solved. 本申请提供一种黑枸杞提取物的制备方法，通过预处理-酶解提取-表面活性