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Concentrated yacon juice with high content of fructooligosaccharides and preparation method of concentrated yacon juice

A technology with high content of fructooligosaccharides, which is applied in food preparation, the function of food ingredients, food ingredients as anti-caking agents, etc., can solve problems such as different solutions, different purposes, and incomparability, and achieve high and low content The effect of increasing the content of polysaccharides

Active Publication Date: 2014-01-22
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

[0030] A concentrated snow lotus juice with high content of fructooligosaccharides, the process steps are as follows:

[0031] 1. Delivery of Yacon

[0032] In order to ensure that the yacon can get a good pre-washing effect during the flow process, the fruit pond water is used to flow to the workshop.

[0033] Prepare wooden sticks with a diameter of 3-5 cm and a length of about 2 meters. When the yacon passes through the flow channel grid, it is dredged and monitored to control the flow rate of the yacon at about 25 tons per hour.

[0034] 2. Fruit washing process

[0035] Although in order to ensure a better cleaning effect on yacon, evaporative condensed water is used for spraying, but the temperature of the cleaning water should be controlled below 45 degrees to ensure that the color protection effect of the broken yacon meets the expected requirements.

[0036] 3. Crushing process

[0037] The pulp net inside the crusher uses 1.6×3.0mm specifications to ensure that the crushing part...

Embodiment 2

[0068] A concentrated yacon juice with high content of fructooligosaccharides. The other procedures are the same as those in Example 1, except for the crushing procedure.

[0069] According to the processing volume of yacon, add 0.02% Vc and 0.05% citric acid per ton of crushed yacon into the buffer tank, stir evenly, and ensure that all are dissolved. According to the color protection of the squeezed juice, increase or appropriately reduce the flow rate of the metering pump.

[0070] It is estimated that 20% of the yam processing volume per hour is used as the first squeezed pomace, and the 0.015% VC and 0.04% citric acid aqueous solution of the pomace amount are added to protect the color of the first squeezed pomace and perform a second squeeze. The degree of squeezing sugar is controlled at 2.5-3%.

[0071] Table 1 The sugar content of the snow lotus juice produced by the present invention is as follows:

[0072] Types of sugar

[0073] Six sugars

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PUM

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Abstract

The invention relates to concentrated yacon juice with high content of fructooligosaccharides and a preparation method of the concentrated yacon juice. The juice has high content of oligosaccharides and 8-12%Brix of soluble solid. 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 specifically relates to a concentrated snow lotus juice with high content of fructooligosaccharides and a preparation method thereof. Background technique [0002] Yacon has nutritional value and health benefits, and has broad market development prospects. At present, the development of yacon juice concentrate has just started in my country. Due to the high content of polyphenols in yacon, it is easy to cause browning during processing and production. At the same time, yacon contains a large amount of macromolecular gums, which leads to the production of The concentrated juice has a darker color and low clarity. In actual production, the color of yacon is preserved and impurity removed, and yacon juice with clear color and no turbidity can be produced. However, since yacon juice contains oligosaccharides, the polymerization of oligosaccharides will darken the color of the juice. After a period of t...

Claims

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Application Information

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IPC IPC(8): A23L2/02A23L1/09A23L29/30
CPCA23L2/02A23L2/68A23L2/84A23L29/30A23V2002/00A23V2200/048A23V2200/208A23V2250/032A23V2250/284A23V2250/708
Inventor 王思新冷传祝孙雅君李喜宏李瑶瑶黄瑞杨亚旭张颖达韩应湛
Owner SDIC ZHONGLU FRUIT JUICE
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