| abstract |
The invention belongs to the technical field of deep processing of agricultural and sideline products, and in particular relates to a method for simultaneously extracting phytosterols and polysaccharides from pitaya stems, which comprises the following preparation steps: (1) preparation of pitaya stem powder; (2) combination of phytosterols and polysaccharides Extraction; (3) Separation of phytosterols and polysaccharides; (4) Purification of phytosterols; (5) Purification of polysaccharides. The invention uses pitaya stems as raw materials, and the raw materials are easy to obtain. Through the method of the invention, phytosterols and polysaccharides can be simultaneously extracted, the added value of the pitaya stems is greatly improved, and resources are fully utilized, and the "phytosterols" prepared by the method of the invention It has the advantages of high purity, high yield and high content of polysaccharides. |