Preparation process of pure natural sweet potato beverage in original color and taste

Abstract

The invention discloses a pure natural sweet potato beverage in original color and taste, which belongs to the field of food production process. The beverage is made from purple sweet potatoes as raw material, the process includes enzymolyzing purple sweet potato residue, preserving nutrients and color, flavoring, executing non-thermal sterilization treatment with a rare earth ultrasonic transducer, and packaging. According to the invention, the natural purple potato and the baking purple potato are used for providing natural flavor of the beverage, amylases and pectase are used to digest starch to provide a part of the sweet taste, and a large amount of nutrients such as antioxidants, multiple amino-acids or the like are preserved by maximum in the whole treatment process. The sweet red wine has bright color, fragrance special for purple sweet potato, slightly sweet taste, pure mouth feeling, long aftertaste, without sediment or cloudiness, which is suitable for long-term storage, and convenient for taking. The wine has functions of blood circulation promotion, fatigue recovering, obesity prevention and treatment, gastrointestinal function improvement, skin moistening or the like, is capable of suppressing generation of lipid peroxide, preventing human body aging, and has relative great cancer prevention effect.

Description

technical field [0001] The invention belongs to a food processing method, and in particular relates to a preparation method of a pure natural primary color and original flavor sweet potato beverage. Background technique [0002] With the improvement of people's living standards, significant changes have taken place in the way of eating. When people taste food, they no longer satisfy their basic energy supply, but pursue the nutrient content and health care function of products. Sweet potato is drought-resistant, barren-resistant, easy to cultivate, and has high yield. my country's sweet potato has various types, wide distribution, and a long history of cultivation. The planting area and total output of sweet potato occupy the first place in the world. As my country's population continues to increase, the demand for agricultural products continues to increase, the area of ​​cultivated land continues to decrease, water resources are increasingly insufficient, and the ecologic...

AI Technical Summary

Problems solved by technology

[0006] But at present, the utilization of purple sweet potato is still traditional eating methods such as steaming and roasting of common sweet potato and methods such as pigment extraction, which greatly limits its suitable crowd. etc. as raw materials, the method of making pure natural primary color sweet potato drink with purple sweet potato slag as raw material has not yet been reported.