Processing method for sugar-free blueberry juice

Abstract

The invention discloses a processing method for a sugar-free blueberry juice. The processing method comprises the steps of sorting, juice squeezing, enzymolysis, enzyme deactivation, clarification, filtering, absorption, fermentation, distilling and proportioning. According to the processing method, natural aroma components and nutrient contents of the sugar-free blueberry juice are preserved, and the damage to anthocyanin in the blueberry juice caused during a fermenting or heating process is reduced, so that artificial flavors and artificial pigments do not need to be added into a finished product, the juice is health, and the sugar content of the blueberry juice is greatly lowered, so that a drinker has no caloric intake burden, and the sugar-free blueberry juice belongs to a healthcare beverage. As trace flavor substances such as lactic acid and glycerin or esters which do not originally exist in blueberry fruits can further be generated in fermenting and sugar removing processes, the sugar-free blueberry juice is mellow and harmonious in mouth feel and rich in nutrition.

Description

【Technical field】 [0001] The invention relates to the technical field of a fruit processing method, in particular to the technical field of a blueberry juice processing method. 【Background technique】 [0002] Sugar free means that the sugar content per 100g or 100ml of solid or liquid food is not higher than 0.5g (National Standard "General Rules for the Labeling of Prepackaged Foods for Special Dietary Use"). In addition to diabetic or obese patients, the current main consumer groups of sugar-free food also include some people who need to restrict calories, especially sugar intake, to lose weight or maintain health. Researchers at the University of Wisconsin in the United States found that restricting calorie intake can prolong life and reduce the risk of aging-related diseases; Japanese researchers also found that people who usually eat high-sugar foods will weaken their immune function and increase the chance of cancer 5 times that of ordinary people. In short, "the mor...

AI Technical Summary

Problems solved by technology

[0004] At present, the method of processing blueberry juice is mostly used to alleviate the sales problems caused by high temperature, rainy and difficult storage and transportation during the ripening period of blueberries.

However, blueberries are small berries with high sugar content. The sugar content of blueberry juice can generally reach about 14g / 100ml. When enjoying blueberry juice, it is easy to cause excessive sugar intake and increase the burden on the body. It will reduce the content of its nutrients and reduce its health function