Purple sweet potato beverage and production method thereof

Abstract

The invention relates to a purple sweet potato beverage which is prepared from the following raw materials in parts by weight: 10-70 parts of fresh purple sweet potato, 10-80 parts of water, 0.5-1.5 parts of stabilizer and 0-5 parts of sweetener. The beverage is prepared by the following method: pre-boiling the fresh purple sweet potato and fishing out; mixing the pre-boiled purple sweet potato with water and slurrying with a colloid mill; adding high temperature resistant alpha-amylase into the obtained slurry for enzymolysis; filtering the slurry after enzyme deactivation to obtain filtrate; adding the stabilizer, sweetener and the balance of water into the filtrate; and mixing uniformly, then homogenizing, degassing, filling and sterilizing to obtain the finished product. The obtained purple sweet potato beverage is purplish red turbid liquid without precipitation, has a thick purple sweet potato taste and pure mouthfeel, and maintains the original nutrient components of purple sweet potato to the greatest degree; and after long-time drinking, the purple sweet potato beverage can supplement various mineral elements necessary to human body, eliminate body fatigue and improve immunity, and has a relatively good caner resisting and preventing effect, thereby being an excellent anti-aging healthcare beverage.

Description

technical field [0001] The invention belongs to the field of food, and in particular relates to a purple sweet potato drink and a production method thereof. Background technique [0002] Purple sweet potato, also known as purple sweet potato, has purple to deep purple flesh. In addition to the nutritional components of ordinary sweet potatoes, it is rich in anthocyanins and has high medicinal value. It is an ideal vegetable that is easy to cultivate and can be used for both medicine and food. crop. The potato is rich in zinc, calcium, magnesium and other beneficial elements needed by the human body, especially the optimal value of selenium. Selenium has been called the superstar, the fire of life and the king of anti-cancer by the world medical circle. The anti-cancer function is the first among all foods. Long-term consumption has the functions of improving human immunity, anti-cancer and anti-cancer, softening blood vessels, lowering blood pressure, lowering blood fat, ca...

AI Technical Summary

Problems solved by technology

[0003] The use of purple sweet potatoes in the domestic market is mainly to extract purple pigments, or make purple sweet potato powder for sale, and traditional eating methods such as steaming and roasting of ordinary sweet potatoes, which greatly limit Its suitable crowd

Most of the beverages on the market are made of apples, grapes, oranges, etc., and there is no report of using fresh purple sweet potatoes as raw materials to make pure natural purple sweet potato beverages.