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Low-temperature vacuum continuous quick drying technology for fresh jujube

A low-temperature vacuum and rapid drying technology, applied in the application, food processing, food science and other directions, can solve the problems of insufficient drying processing technology, mildew and rot of fresh jujube, and achieve the effect of promoting agricultural industrialization, increasing income and significant economic benefits.

Inactive Publication Date: 2010-03-10
王新才
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the deficiency of existing fresh jujube drying processing technology, provide fresh jujube low-temperature vacuum continuous rapid drying technology, on the basis of ensuring that fresh jujube maintains the original appearance, taste and color, greatly improve production efficiency, solve It solves the problem of jujube farmers' fresh jujube mold and rot in rainy days, ensures the interests of jujube farmers, and increases the income of jujube farmers

Method used

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Embodiment Construction

[0025] First, remove impurities from the picked fresh jujubes, remove rotten and polluted bad jujubes, then wash and drain the selected red dates or other auxiliary materials, remove the surface sediment and impurities with running water, control the moisture after washing, and put the The drained fresh jujubes are stored in a refrigerator at a storage temperature of 5°C. After the refrigerated fresh jujubes are cored, continuous low-temperature drying is carried out under the conditions of vacuum 8600Pa and low temperature of 43°C, and finally the processed red dates are bagged. , sealed and packed into finished product warehouse.

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Abstract

The invention discloses low-temperature vacuum continuous quick drying technology for fresh jujube. The technology can continuously and quickly dry the fresh jujube within 2 hours at the temperature of 43 DEG C and the vacuum degree of 8,600 Pa so as to solve the difficult problem of mildew and rot of fresh jujubes and problem of harvesting the jujubes by jujube farmers in rainy days, ensure the benefit of the jujube farmers and increase the investment of the jujube farmers.

Description

technical field; [0001] The invention relates to a drying processing method of fresh jujube, and belongs to the technical field of food drying processing. technical background; [0002] In the traditional normal pressure hot air drying technology, the material to be dried is heated by positive pressure hot air, while the material and the internal moisture are heated, and the particles are evaporated by the difference between the unsaturated steam pressure and the saturated steam pressure in the hot air and temperature conditions. The internal moisture is discharged out of the drying chamber with the hot air. Then the higher the heating temperature, the less water vapor in the air, and the higher the drying efficiency. When drying red dates with high temperature and hot air, such as rapid drying, it will cause bursting of the waist, cracks and even cracks in the seed coat, which reduces the quality. Even if the temperature is lowered, it must be slowed down in multiple stag...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23N12/08
Inventor 王新才
Owner 王新才
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