Preparation method of blueberry fruit clear juice sour beverage

Abstract

The invention relates to a preparation method of a blueberry fruit clear juice sour beverage. The method comprises the following steps of pretreating blueberry fruits, separating peel from fruit flesh, preparing clear juice from the fruit flesh, treating the peel, mixing the treated peel with auxiliary materials, performing fermentation, finally, leaching fermentation products, and mixing a leaching solution with the clear juice. Through leached anthocyan, the problem that the clear juice beverage is insufficient in color is just solved, and besides, the anthocyan is natural pigment and has the efficacy of protecting eyesight; ethanol can also extract pectin components, the pectin exists in most of the fruit peel, under the condition of microwave pretreatment, the pectin easily dissolves, and the extracted peel pectin can facilitate the finished beverage product to easily present gelatiniform. The components are uniformly mixed, and the phenomenon of precipitation is not liable to generate.

Description

Technical field [0001] The invention belongs to the technical field of food technology, and specifically relates to a preparation method of a blueberry clear juice sour drink. Background technique [0002] Pure fruit drinks have a common feature, that is, although the juice is pure, the amount of pigment is low, and the overall color is not bright enough. This is also the case for blueberry green juice drinks. Therefore, some artificial colors are generally added to improve the color of juice drinks. The effect of beautifying and improving appetite. [0003] Blueberry belongs to the genus Vaccinium of the Rhododendron family. The fruit is blue and covered with a layer of white fruit powder. Blueberry is known as the "Queen of Fruits". In addition to containing sugar, acid and vitamin C like ordinary fruits, blueberries are also rich in nutrients, such as vitamins A, B, E, superoxide dismutase, and protein. , Anthocyanins (anthocyanins or phenol ligands, combined with sugar), urso...

AI Technical Summary

Problems solved by technology

In addition to eating fresh blueberry fruit, fruit juice drinks are very popular at home and abroad, so blueberry clear juice drink has a promising future as a functional drink. Domestic blueberry drink processing reports are mostly based on sensory evaluation and lack of research on nutritional components.