| abstract |
The invention provides a method for extracting grape soluble dietary fiber, comprising the following steps: S1: crushing raw materials; S2: acid hydrolysis; S3: enzymatic hydrolysis; S4: centrifugation and purification. The invention adopts the combined method of enzymatic method and ultrasonic treatment to extract the soluble dietary fiber in grapes, and has high production efficiency, simple extraction process, low equipment requirements, the extraction rate of soluble dietary fiber is up to 28.2%, and the extraction purity is up to 90.50%. The soluble dietary fiber extracted by the invention can be used in food, and has a good bowel-relaxing effect. |