Method for preparing mashed purple sweet potato solid beverage
2010
The invention discloses a method for preparing mashed purple sweet potato solid beverage. The method comprises the following steps of: pretreating purple sweet potatoes; cooking the pretreated purple sweet potatoes; preparing the cooked purple sweet potatoes into mashed potatoes; performing saccharification and glue milling on the mashed potatoes; and packaging to obtain a mashed purple sweet potato solid beverage product. In the method, the purple sweet potatoes are taken as a raw material and treated by a specific process so that the starch content of the raw material can be reduced, the soluble solid content, in particular the small-molecule sugar content of the raw material is increased, the solubility of the mashed purple sweet potatoes is enhanced and reconstitution performance is improved; and moreover, the method has the advantages of simple process flow, low requirement on equipment and capability of keeping constituents such as anthocyanin and the like of the purple sweet potatoes to the maximum extent, keeping the bright color of a prepared product and the inherent purple color of the raw material and making the product have high reconstitution performance and delicious flavor.
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