The invention discloses a preparation method of whole Chinese yam
powder and application of the whole Chinese yam
powder, and belongs to the technical field of
food processing. According to the preparation method of the whole Chinese yam
powder and the application of the whole Chinese yam powder, fresh Chinese yams are taken as a
raw material for preparing the whole Chinese yam powder and a beverage thereof. The whole Chinese yam powder is prepared by the following steps of carrying out pretreatment, carrying out color protection, carrying out pulp-
grinding, carrying out
dehydration, carryingout enzymatic
extrusion, carrying out ultra-fine crushing and so on; and the prepared whole Chinese yam powder is used for preparing a Chinese yam pulp beverage. For a series of physical and chemicalchanges occur in the Chinese yam material due to the enzymatic extruding and puffing treatment, the preparation method of the whole Chinese yam powder is capable of effectively transforming or preserving all components in the Chinese yams so as to fully utilize the ingredients, including
starch, proteins,
fiber and the like, in the Chinese yam raw-material; moreover, addition of stabilizer-type ingredients is also avoided during blending process of the beverage. The Chinese yam pulp beverage prepared by adopting the method disclosed by the invention is high in Chinese yam raw-material
utilization rate, good in color, luster and
flavor, and high in stability; being stored at
room temperature for 6 months, the Chinese yam pulp beverage is free of the phenomenon of precipitate production,
browning, stratification and the like.