Fruit clear juice filtering process

A technology of fruit juice and clear juice, applied in the direction of food science, etc., can solve the problems of high energy consumption, lower production efficiency, lack of color and better taste of clear juice, and achieve the effect of reducing power consumption, improving production efficiency, and rich colors

Inactive Publication Date: 2014-07-02
SHANGHAI TRIOWIN INTELLIGENT MACHINERY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The clear juice obtained by this method has filtered out most of the large particles, and these large particles are usually the essence of the fruit juice, containing most of the nutrients and aromatic substances, so that the clear juice often lacks color and is better. taste; moreover, because it must be pressurized to pass through the ultrafiltration membrane, a

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The invention discloses a fruit juice clearing filtration process. The fruit juice after enzymolysis is filtered through a vacuum drum filter, and the filter medium in the vacuum drum filter is diatomaceous earth. Among them, the vacuum degree of the vacuum drum filter is 450mmHg. The rotational speed of the vacuum drum filter is 0.3 rpm. The filtration temperature of the vacuum drum filter is 50°C. The power of the vacuum drum filter is 3kw. The coating of diatomite forms a precoat on the surface of the drum, and the fruit juice after enzymolysis enters the vacuum drum filter and is filtered through the micropores of the diatomite precoat.

[0020] Diatomaceous earth filter media can filter particles above 0.1 microns. Compared with ultrafiltration, the filter pore size is enlarged, and the nutritional content of the clear juice can be retained to the greatest extent with a small loss of turbidity, and the color of the juice is better and the taste is richer.

Embodiment 2

[0022] The invention discloses a fruit juice clearing filtration process. The fruit juice after enzymolysis is filtered through a vacuum drum filter, and the filter medium in the vacuum drum filter is diatomaceous earth. Among them, the vacuum degree of the vacuum drum filter is 450mmHg. The rotational speed of the vacuum drum filter was 2.5 rpm. The filtration temperature of the vacuum drum filter is 52°C. The power of the vacuum drum filter is 8kw. The coating of diatomite forms a precoat on the surface of the drum, and the fruit juice after enzymolysis enters the vacuum drum filter and is filtered through the micropores of the diatomite precoat.

[0023] Diatomaceous earth filter media can filter particles above 0.1 microns. Compared with ultrafiltration, the filter pore size is enlarged, and the nutritional content of the clear juice can be retained to the greatest extent with a small loss of turbidity, and the color of the juice is better and the taste is richer.

Embodiment 3

[0025] The invention discloses a fruit juice clearing filtration process. The fruit juice after enzymolysis is filtered through a vacuum drum filter, and the filter medium in the vacuum drum filter is diatomaceous earth. Among them, the vacuum degree of the vacuum drum filter is 450mmHg. The rotational speed of the vacuum drum filter was 5.2 rpm. The filtration temperature of the vacuum drum filter is 55°C. The power of the vacuum drum filter is 10kw. The coating of diatomite forms a precoat on the surface of the drum, and the fruit juice after enzymolysis enters the vacuum drum filter and is filtered through the micropores of the diatomite precoat.

[0026] Diatomaceous earth filter media can filter particles above 0.1 microns. Compared with ultrafiltration, the filter pore size is enlarged, and the nutritional content of the clear juice can be retained to the greatest extent with a small loss of turbidity, and the color of the juice is better and the taste is richer.

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Abstract

The invention relates to a fruit clear juice filtering process. Fruit juice after enzymolysis is filtered by a vacuum drum filter, and a filtering medium in the vacuum drum filter is kieselguhr which can filter particles with the size being higher than 0.1micron. Compared with the prior art, the fruit clear juice filtering process has the advantages that the quality of clear juice is improved; the clear juice is clear, rich in color, and better in mouthfeel; because the drum filter is low in rotation speed, the fruit clear juice filtering process is low in power consumption; the filtering medium of the vacuum rotary drum filter is continuously regenerated without machine halt, so that the continuous production improves the productivity.

Description

technical field [0001] The invention relates to a filtering process, in particular to a filtering process for clear fruit juice. Background technique [0002] The most critical part of the production process of traditional fruit juice (typically such as apple juice) is to ultrafilter the enzymatically hydrolyzed apple juice through an ultrafiltration membrane to make the particle diameter smaller than the pore size (usually 0.005-0.02 microns) Particles pass through, and larger particles are intercepted, so as to obtain clear and transparent juice. [0003] The clear juice obtained by this method has filtered out most of the large particles, and these large particles are usually the essence of the fruit juice, containing most of the nutrients and aromatic substances, so that the clear juice often lacks color and is better. taste; moreover, because it must be pressurized to pass through the ultrafiltration membrane, a large flow circulation pump is usually used to make the m...

Claims

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Application Information

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IPC IPC(8): A23L2/72
CPCA23L2/72
Inventor 郭冠敏刘国强褚卫平
Owner SHANGHAI TRIOWIN INTELLIGENT MACHINERY CO LTD
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