Comprehensive process for simultaneously preparing series colorful purple sweet potato wine and purple sweet potato pigment

A purple sweet potato pigment and comprehensive process technology, applied in the comprehensive process field of simultaneously preparing a series of colored purple sweet potato wine and purple sweet potato pigment, can solve the problems of energy consumption, resource waste, etc., reduce energy consumption, improve production efficiency, and product purity Effect with high nutritional content

Active Publication Date: 2011-08-10
QINGDAO LANGYATAI GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Nowadays, the industrial production processes of purple sweet potato wine and purple sweet potato red pigment are independent. Since these two processes are repeated, there are problems of energy consumption and waste of resources.

Method used

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  • Comprehensive process for simultaneously preparing series colorful purple sweet potato wine and purple sweet potato pigment
  • Comprehensive process for simultaneously preparing series colorful purple sweet potato wine and purple sweet potato pigment
  • Comprehensive process for simultaneously preparing series colorful purple sweet potato wine and purple sweet potato pigment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Combined with the accompanying drawings, select fresh and non-rotten purple sweet potatoes, put them in the rinsing tank for cleaning, then cook the cleaned purple sweet potatoes at normal pressure and 100°C, cool them to 45°C after steaming, and then place them in a quality The percentage is 3% citric acid aqueous solution to carry out crude extraction, the weight ratio of material to liquid is 1:5, acid adjusts pH to 2, filters, obtains filtrate and filter residue; Concentrates filtrate with rotary evaporator, obtains red slurry, will obtain The red slurry passes through the chromatography column equipped with AB-8 macroporous adsorption resin, the pigment is adsorbed on the resin, and macromolecular substances such as sugars flow out of the column to collect the effluent, which is then concentrated by a rotary evaporator to obtain the effluent extract; then use 70% acidic ethanol solution (the volume ratio of hydrochloric acid and ethanol is 3:7) to elute the pigment ...

Embodiment 2

[0049] Combined with the accompanying drawings, select fresh and non-rotten purple sweet potatoes, put them in the rinsing tank for cleaning, then cook the cleaned purple sweet potatoes at normal pressure and 100°C, cool them to 50°C after steaming, and then place them in the quality The percentage is 3% citric acid aqueous solution to carry out crude extraction, the weight ratio of material to liquid is 1:5, acid adjusts pH to 3, filters, obtains filtrate and filter residue; Concentrates filtrate with rotary evaporator, obtains red slurry, will obtain The red slurry passes through the chromatography column equipped with AB-8 macroporous adsorption resin, the pigment is adsorbed on the resin, and macromolecular substances such as sugars flow out of the column to collect the effluent, which is then concentrated by a rotary evaporator to obtain the effluent extract; then use 70% acidic ethanol solution (the volume ratio of hydrochloric acid and ethanol is 3:7) to elute the pigmen...

Embodiment 3

[0054] Select 100ml of pure grain white wine with an alcohol content of 52 degrees, add 20-30mg of refined purple sweet potato pigment to it, stir and dissolve to obtain purple sweet potato wine, the color of the wine is purple, and the content of anthocyanin in the liquor is 200-300mg / L.

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PUM

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Abstract

The invention discloses a comprehensive process for simultaneously preparing a series colorful purple sweet potato wine and a purple sweet potato pigment, which comprises the following steps of: selecting the purple sweet potato and sequentially carrying out cleaning, cooking, adding water and crude extracting, filtering, concentrating, column chromatography, membrane module concentrating, pH adjusting and spray drying to obtain the refined purple sweet potato pigment powder; sequentially fermenting, filtering and aging the residues such as filter residue in the above step to obtain the single color purple sweet potato wine; and adding the refined purple sweet potato pigment powder into the single color purple sweet potato wine to obtain the series colorful purple sweet potato wine through adjusting alcohol content, pH value and sugar degree and the like. The two product processes for producing the purple sweet potato pigment and the purple sweet potato wine can be integrated, so thatthe production efficiency is greatly improved, and the energy consumption is reduced.

Description

technical field [0001] The invention belongs to the field of food, and in particular relates to a comprehensive process for simultaneously preparing a series of colored purple sweet potato wine and purple sweet potato pigment. Background technique [0002] With the continuous improvement of living standards, people have new requirements for the quality of life. Take drinking as an example, people's consumption trend is gradually changing from pure grain liquor to nutritional wine integrating low alcohol, nutrition and health care. This is because the pure grain liquor on the market is obtained by fermenting and distilling grains, and there are no natural pigments and other nutrients in the wine, such as trace metal elements, amino acids, vitamins, etc. Nutritious wine, such as purple sweet potato wine brewed from purple sweet potatoes, is rich in nutrients such as anthocyanins, so it has nutritional and health care effects on the human body after drinking. [0003] For exam...

Claims

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Application Information

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IPC IPC(8): C12G3/02C12G3/04C09B61/00
CPCC09B61/00A23L1/2751A23L5/43
Inventor 李悦明王宗花徐建春夏秀梅
Owner QINGDAO LANGYATAI GRP
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