Method for preparing sweet potato-pineapple compound drink

Abstract

The invention discloses a method for preparing a sweet potato-pineapple compound drink. The method comprises the following steps of: selecting sweet potatoes, washing the sweet potatoes by water, cutting the sweet potatoes into strips or blocks, protecting the color of the strips or blocks, pre-boiling the strips or blocks, cooling the cooked strips or blocks, pulping the cooked strips or blocks, filtering the pulp and gelatinizing the pulp for later use; selecting pineapples for juicing, mixing the sweet potato juice and the pineapple juice in a ratio, evenly stirring, adding auxiliary materials of white granulated sugar, citric acid and sodium carboxymethyl cellulose into the mixed juice and allowing the auxiliary materials to fully dissolve in the mixed juice to obtain the compound juice; and homogenizing the compound juice in a colloid mill, canning the juice and sealing the cans, heating the compound juice in water bath for sterilization and naturally cooling the compound juice to room temperature. In the compound drink of the invention, based on the conventional process for preparing sweet potato drinks, the pineapple juice is added into the sweet potato juice, so that the unpleasant smell of the sweet potatoes is eliminated, the sweet potato-pineapple compound drink with good flavor can be prepared, and the quality of the product is improved.

Description

technical field

[0001] The invention relates to a compound drink, in particular to a preparation method of a sweet potato and pineapple compound drink, which can ensure the excellent flavor of the sweet potato and pineapple compound drink. Background technique

[0002] Sweet potato beverages are made from fresh sweet potatoes through material selection, peeling, beating, blending, filtration, filling, sterilization and other processes. Due to the processing of traditional sweet potato beverages, there is often an earthy smell in sweet potatoes, so Have bad smell and drinking mouthfeel, have reduced quality, have influenced the popularity of sweet potato beverage, make the economic value of this product not bring into play far away. Contents of the invention

[0003] In view of the above-mentioned present situation, the present invention provides a preparation method of a sweet potato-pineapple compound beverage, which overcomes bad smell in the compound drink and satisfies...