Preparation method of purple sweet potato juice

A technology of purple sweet potato and clear juice, which is applied in the field of food and beverage, and can solve the problems of purple sweet potato not being durable to storage.

Active Publication Date: 2011-10-05
ANHUI DANGSHAN HAISHENG FRUIT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a preparation method of purple sweet potato juice, which solves the problem that purple sweet potato is not resistant to storage. At the same t

Method used

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Examples

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Embodiment Construction

[0023] A preparation method of purple sweet potato juice, specifically comprising the following steps:

[0024] (1) select high-quality purple sweet potato to clean;

[0025] (2) crushing the cleaned purple sweet potato, requiring that the particle diameter of the crushed purple sweet potato is less than 5-6cm;

[0026] (3) Add the crushed purple sweet potato particles into the juice extractor to squeeze the juice;

[0027] (4) Add hot water at 90-98°C, sodium Vc, and amylase to purple potato juice for enzymolysis, wherein the mass ratio of hot water to purple potato juice is 1:1, and the amount of sodium Vc added is 1000ppm. The amount of amylase added is 2000ppm, and the enzymolysis time is 3.0 hours;

[0028] (5) Filtrating the mixed solution obtained from the enzymatic hydrolysis in step (4), removing the purple sweet potato residue, collecting the filtrate, and performing sterilizing treatment;

[0029] (6) Rapidly cool the sterilized turbid juice to 50-55° C., then ad...

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Abstract

The invention provides a preparation method of purple sweet potato juice which is prepared with purple sweet potatoes by the following steps of cleaning, selection, cutting, fragmentation, juicing, filtration, sterilization, clarification, ultrafiltration, concentration, pasteurization and filling. The purple sweet potato juice prepared by the invention solves the problem of storage intolerance of purple sweet potatoes; and the concentrated purple sweet potato juice contains the natural components and efficacy of purple sweet potatoes, can be used to prepare purple sweet potato beverages or other mixed fruit juice beverages.

Description

technical field [0001] The invention relates to the field of food and beverage, in particular to a preparation method of purple sweet potato juice. Background technique [0002] Purple potato (scientific name: Solanum tuberdsm) is also called black potato, and the potato meat is purple to dark purple. In addition to the nutrients of ordinary purple potatoes, it is also rich in selenium and anthocyanins. Anthocyanins have preventive and therapeutic effects on more than 100 diseases, and are known as the seventh essential nutrient after water, protein, fat, carbohydrates, vitamins, and minerals. Anthocyanins are the most direct, effective and safe free radical scavenger discovered by the scientific community to prevent and treat diseases and maintain human health. Its ability to scavenge free radicals is 20 times that of vitamin C and 50 times that of vitamin E. Purple purple sweet potato will become one of the main raw materials of anthocyanins. Purple sweet potato is very...

Claims

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Application Information

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IPC IPC(8): A23L2/02
Inventor 刘永建王辉范俊仓鲁勇
Owner ANHUI DANGSHAN HAISHENG FRUIT
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