Purple sweet potato milk tea and processing method thereof

Abstract

The invention discloses purple sweet potato milk tea and a processing method thereof. The purple sweet potato milk tea is processed by using purple sweet potato popcorn as a main raw material, and comprises the following components in parts by weight: 40 parts of the purple sweet potato popcorn, 25 parts of nonfat dry milk, 4 parts of instant Tieguanyin tea powder and 6 parts of levulose. The purple sweet potato milk tea is processed through the following steps of A, crushing the purple sweet potato popcorn into 300 or above mesh powder by an ultramicro crushing machine; B, uniformly mixing and stirring the crushed purple sweet potato popcorn with the nonfat dry milk, the instant Tieguanyin tea powder and the levulose so as to obtain a mixture; and C, performing vacuum packaging by a vacuum package machine so as to obtain the purple sweet potato milk tea, wherein according to the purple sweet potato popcorn, whole purple sweet potato flour is used as a main raw material, and the purple sweet potato popcorn and other components are made into the purple sweet potato milk tea through the steps of mixing wet stirring, extrusion forming, drying, popping, sieving and packaging. According to the purple sweet potato milk tea disclosed by the invention, the nutrient and health-care functions of purple sweet potatoes can be furthest exerted, and the purple sweet potato milk tea is rich in unique mouth feel and flavor of the purple sweet potatoes.

Description

technical field [0001] The invention relates to the technical field of purple potato processing, in particular to purple potato milk tea and a processing method thereof. Background technique [0002] Purple potato is an annual herb belonging to the genus Ipomoea of ​​Convolvulaceae in plant taxonomy. In addition to being rich in protein, starch, pectin, cellulose, amino acids, vitamins and various minerals, its roots also contain a lot of anthocyanins and selenium, which are used in anti-cancer, heart protection, prevention of emphysema and diabetes, weight loss, etc. aspect has outstanding effect. For a long time, purple potato was mainly used as coarse grain after cooking, or processed into purple potato preserved fruit and purple potato candy as snack food. In recent years, some companies have processed purple potato into purple potato whole powder or purple potato instant powder, and some companies further processed purple potato whole powder into purple potato rice to...

AI Technical Summary

Problems solved by technology

[0004] At present, the main raw materials for processing milk tea include pearl powder rounds, tea series, milk series, fruity powder series and fructose. So far, there has been no report of using purple potato popcorn as the main raw material to process purple potato milk tea.