Preparation method of soluble olive dietary fibers

The invention relates to the technical field of food processing, and discloses a preparation method of soluble olive dietary fibers. The preparation method has the advantages of being high in efficiency, simple, convenient, low in production cost and high in extraction rate, and is favorable for favorable for popularization and application. The preparation method of the soluble olive dietary fibers disclosed by the invention comprises the following steps: step I, pretreating olives; step II, mixing products obtained after the pretreatment with a buffer system of which the pH is 4.5-5.5, and 3.5-4.5% of an enzyme, and performing a reaction at 45-55 DEG C for 1.5-2.5h; step III, performing enzyme deactivation, performing centrifugation for the first time, and performing ethanol precipitation on a supernatant; and step IV, performing centrifugation for the second time, so as to obtain precipitation which is products of the soluble olive dietary fibers. 本发明涉及食品加工技术领域，公开了种橄榄可溶性膳食纤维的制备方法，该制备方法具有高效、简便、生产成本低和提取率高的优点，