Lychee juice and preparation method thereof

Abstract

The invention provides a lychee juice and a preparation method thereof. The lychee normal-juice content of the lychee juice is as high as 70%, a refreshing and non-sweet taste is provided for a user just right while the original flavor of the lychee juice is retained. Citric acid and sodium citrate are added to the lychee juice, the acidity and post-sour-taste of the lychee juice can be increased,and the taste of the lychee juice is enriched. The invention further provides a preparation method of the lychee juice. The preparation method of the lychee juice comprises the steps of soaking, washing, heating, beating and grinding into thick liquid, degassing and blending, fruits are blanched with hot water at 95 DEG C-100 DEG C for 1-1.5 min, polyphenol oxidase in lychee peels is purified, enzymatic browning caused by the polyphenol oxidase is effectively reduced during peeling, pitting and squeezing, and the fruit juice can maintain good color and luster; and in addition, after the pulpis pulped and ground into thick liquid, degassing treatment is further carried out, the oxygen content in the lychee normal-juice can be effectively reduced, and the color and luster of the juice canbe helped to be maintained.

Description

technical field [0001] The invention relates to the field of juice production, in particular to litchi juice and a preparation method thereof. Background technique [0002] Litchi belongs to Sapindaceae plant, is a kind of characteristic subtropical fruit, abounds in South China, and the harvest period is from June to July every year. Litchi fruit is rich in nutrition. Every 100g of fresh lychee pulp contains 0.9g of protein, 0.2g of fat, and 14g of carbohydrates. It is also rich in various trace elements, vitamins and more than ten kinds of amino acids necessary for human body. The output of lychees in Guangdong Province accounts for about 70% of the national output. However, it is difficult to keep lychees fresh, and the current lychees processing capacity is limited. During the annual harvest season, a large number of lychees are on the market, and the preservation and sales are under great pressure, especially in good years. Unsalable has seriously affected the economic...

AI Technical Summary

Problems solved by technology

[0003] At present, the processed products of lychee mainly include dried lychee, canned lychee in syrup, lychee wine, lychee beverage, etc. Among them, the production of beverages is the most effective way to consume lychee raw materials, but currently the lychee juice beverages on the market are usually sweet and greasy, and the taste is not enough Refreshing and harmonious, the number of lychee juice products is small, and there are not many varieties. The effect of lychee juice products on the consumption of lychee raw materials has not been fully exerted

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