Method for preparing purple sweet potato and mulberry instant powder

Abstract

The invention discloses a method for preparing purple sweet potato and mulberry instant powder. The method comprises steps as follows: fresh mulberries and purple sweet potatoes are taken as raw materials, firstly, a purple sweet potato enzymatic hydrolysate is prepared from the purple sweet potatoes through drying, smashing, gelatinization and enzymolysis, and a mulberry juice is prepared from the mulberries through washing, smashing and juicing; then the purple sweet potato enzymatic hydrolysate and the mulberry juice are evenly mixed, and the instant powder is prepared through steps including clarification, filtering, concentration, low-temperature continuous vacuum drying, smashing and the like. Compared with existing technologies for preparing mulberry powder or purple sweet potato powder, the method has the characteristics of being energy-saving, environment-friendly and pollution-free, realizing vacuum continuous production and high yield and the like; bonding, charring and the like of the mulberries during drying are effectively prevented, the instant powder is naturally purple, has nutrients of both the purple sweet potatoes and the mulberries and has good instant solubility.

Description

technical field [0001] The invention relates to the field of food processing, in particular to a method for preparing instant purple potato and mulberry powder. Background technique [0002] Mulberry is rich in nutrition, rich in glucose, fructose, citric acid, malic acid, vitamins, anthocyanins, etc. It has the functions of nourishing blood and beauty, protecting liver and lungs, lowering blood pressure and blood fat, preventing and fighting cancer, and the color of mulberry is dark purple. Suitable for processing fruit juice or fruit powder. [0003] The skin color of purple sweet potato is purple and black, and the flesh color is purple. Purple sweet potato contains protein, starch, cellulose, amino acids, vitamins and various minerals, and is very rich in anthocyanin pigments, selenium, which has the functions of softening blood vessels, lowering blood pressure, laxative, anti-cancer and other health care. effect. The beverage made from purple sweet potato has bright ...

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to provide a kind of preparation method of purple sweet potato mulberry instant powder, the present invention can solve existing mulberry powder processing and production process, especially the problems such as sticking, scorching, nutritional labeling loss that exist in drying process, and purple sweet potato Complementary with mulberry nutrients, enhance the taste and increase health benefits