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Preparation method of clear concentrated yacon juice

A technology of yacon fruit and fruit juice, which is applied in the field of preparation of concentrated yacon fruit juice, can solve problems such as different solutions, different purposes, and incomparability, and achieve the effect of high content and increased oligosaccharide content

Active Publication Date: 2015-03-11
SDIC ZHONGLU FRUIT JUICE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above two methods provide the production process of snow lotus juice, the purpose of which is not to solve the problem of juice clarity, still not solve the problem of post-polymerization, nor give technical inspiration, different from the purpose of this application, the scheme is different, not comparable

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A preparation method of clarified concentrated snow lotus juice, the process steps are as follows:

[0030] 1. Streaming of yacon

[0031] In order to ensure that the yacon can get a good pre-washing effect during the flow process, it is sent to the workshop by means of water flow from the fruit pond.

[0032] Prepare wooden sticks with a diameter of 3-5cm and a length of about 2 meters. When the yacon passes through the grid of the flow channel, it will be dredged and monitored to control the flow of the yacon at a processing rate of about 25 tons per hour.

[0033] 2. Fruit washing process

[0034] Although evaporative and condensed water is used for spraying in order to ensure a better cleaning effect on the yacon, the temperature of the cleaning water should be controlled below 45 degrees to ensure that the color protection effect of the crushed yacon meets the expected requirements.

[0035] 3. Crushing process

[0036] The pulp net inside the crusher is 1.6×3.0...

Embodiment 2

[0067] Other operations are identical with embodiment 1, and difference is in crushing operation,

[0068] According to the processing amount of yacon, add 0.02% Vc and 0.05% citric acid into the buffer tank according to the crushed per ton of yacon, stir evenly, and ensure that they are completely dissolved. According to the color protection of the squeezed juice, increase or properly reduce the flow rate of the metering pump.

[0069] It is estimated that 20% of the hourly processing volume of yacon is used as the amount of first-pressed pomace, and 0.015% VC and 0.04% citric acid aqueous solution are added according to the amount of pomace, and the color of the first-pressed pomace is protected, and the second squeeze is carried out. The sugar content is controlled at 2.5-3%.

[0070] The sugar content of the snow lotus juice produced by the present invention of table 1 is as follows:

[0071] type of sugar

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Abstract

The invention relates to a preparation method of clear concentrated yacon juice. The preparation method comprises the steps of fruit washing, crushing, pasteurization, acidity adjustment and enzymolysis process and ultrafiltration and concentration, thus obtaining the finished product of concentrated yacon juice. The preparation method is characterized that 20-30wt% of yacon juice produced in last batch and obtained after the acidity adjustment and enzymolysis process is added to the acidity adjustment and enzymolysis process. The preparation method has the advantages and beneficial effects that the unique process is adopted, which means that part of the concentrated juice obtained in last batch is added to an enzymolysis tank used in the production of the next batch to undergo enzymolysis together with yacons in the second batch, so that the prepared yacon juice is clear in color, no longer undergoes a post polymerization reaction after being placed for a long time, is always in a clear state and simultaneously does not change color after being stored for a long time, thus solving the problem that the concentrated yacon juice in the prior art changes color after being placed for a long time.

Description

technical field [0001] The invention belongs to the field of food processing, and in particular relates to a preparation method of clarified concentrated snow lotus juice. Background technique [0002] Yacon has nutritional value and health benefits, and has broad market development prospects. At present, the development of yacon concentrated juice has just started in my country. Due to the high content of polyphenols in yacon, it is easy to cause browning in the process of processing and production. The concentrated juice has a darker color and lower clarity. In actual production, the color of yacon fruit is protected and impurities are removed in each process, and yacon juice with clear color and no turbidity can be produced. However, because yacon juice contains oligosaccharides, the polymerization of oligosaccharides will make the color of the juice darker, so put After a period of time, the fruit juice generally still changes color, and at the same time, the polysaccha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23L2/02A23L2/84
CPCA23L2/02A23L2/84
Inventor 王思新冷传祝孙雅君李喜宏李瑶瑶邓玉波黄瑞杨亚旭张颖达
Owner SDIC ZHONGLU FRUIT JUICE
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