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Processing method of dehydrated vegetable product

A processing method and technology for dehydrating vegetables, which are applied in the direction of preservation of fruits/vegetables by dehydration, preservation of fruits/vegetables by freezing/refrigeration, and food drying, etc., can solve the problems of loss of nutrients, inability to return to the original state, and poor rehydration of vegetables, etc. To achieve the effect of reducing nutrient loss, improving bonding strength and improving rehydration

Inactive Publication Date: 2019-01-01
安徽省万花巢生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the dehydration process of the produced dehydrated vegetables will cause the loss of nutrients during the dehydration process, which reduces the nutritional value of the vegetables. At the same time, the rehydration of the dehydrated vegetables is poor, and they cannot return to their original state when eaten, which affects the appearance and taste of the dehydrated vegetables.

Method used

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  • Processing method of dehydrated vegetable product

Examples

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Comparison scheme
Effect test

Embodiment 1

[0024] A processing method of dehydrated vegetable products, the specific steps are as follows:

[0025] 1) Select fresh vegetables, remove pests, rotten and shriveled parts, rinse with clean water and soak in 30% salt solution;

[0026] 2) Take out the soaked vegetables and drain the water, and then cut them into slices, filaments or strips according to the product requirements;

[0027] 3) Move the sliced ​​vegetables into a vacuum container, pressurize to 2MPa, then pass in liquid carbon dioxide whose volume is 1 / 4 of the container, raise the temperature to 50°C, keep it warm for 5 minutes, and then turn on the pressure release switch to release the pressure to Atmospheric pressure, so that all the gas is discharged;

[0028] 4) Turn off the pressure release switch, increase the pressure to 4MPa for the second time, pass in the emulsion with a volume of 1 / 3 of the container, keep the pressure for 6 minutes, then turn on the pressure release switch, release the pressure to ...

Embodiment 2

[0039] A processing method of dehydrated vegetable products, the specific steps are as follows:

[0040] 1) Select fresh vegetables, remove pests, rotten and shriveled parts, rinse with clean water and soak in 32% salt solution;

[0041] 2) Take out the soaked vegetables and drain the water, and then cut them into slices, filaments or strips according to the product requirements;

[0042] 3) Move the sliced ​​vegetables into a vacuum container, pressurize to 2.5MPa, then pass in liquid carbon dioxide whose volume is 1 / 4 of the container, raise the temperature to 55°C, keep warm for 4 minutes, and then turn on the pressure release switch to release the pressure To normal pressure, so that all the gas is discharged;

[0043] 4) Turn off the pressure relief switch, increase the pressure to 4.5MPa for the second time, pass in the emulsion with a volume of 1 / 3 of the container, keep the pressure for 5 minutes, then turn on the pressure relief switch, release the pressure to normal...

Embodiment 3

[0054] A processing method of dehydrated vegetable products, the specific steps are as follows:

[0055] 1) Select fresh vegetables, remove pests, rotten and shriveled parts, rinse with clean water and soak in 35% salt solution;

[0056] 2) Take out the soaked vegetables and drain the water, and then cut them into slices, filaments or strips according to the product requirements;

[0057] 3) Move the sliced ​​vegetables into a vacuum container, pressurize to 3MPa, and then pass in liquid carbon dioxide whose volume is 1 / 3 of the container, raise the temperature to 60°C, keep it warm for 3 minutes, and then turn on the pressure release switch to release the pressure to Atmospheric pressure, so that all the gas is discharged;

[0058] 4) Turn off the pressure release switch, pressurize to 5MPa for the second time, pass in the emulsion with a volume of 1 / 2 of the container, keep the pressure for 4 minutes, then turn on the pressure release switch, release the pressure to normal ...

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Abstract

The invention discloses a processing method of a dehydrated vegetable product. The processing method comprises the following specific steps: 1) after washing vegetables, immersing the vegetables intoa table sat water solution; 2) cutting the vegetables; 3) transferring the vegetables into a vacuum container; after pressurizing, introducing liquid-state carbon dioxide and treating; 4) after carrying out secondary pressurizing, introducing emulsion and treating; 5) removing the emulsion remained on the surfaces of the vegetables by utilizing clean water and then carrying out low-temperature cold storage; 6) drying the vegetables; 7) cooling and sealing the dried vegetables. According to the dehydration of the vegetable product, provided by the invention, while the vegetables are dehydrated,nutrient substances are remained, so that the vegetables have abundant nutrients, and the dehydrated vegetables have bright color and luster and good quality and are easy to store; meanwhile, the dehydrated vegetables have a very good reconstitution property and can be recovered into original shapes when being eaten.

Description

technical field [0001] The invention belongs to the technical field of vegetable product processing, and in particular relates to a processing method of dehydrated vegetable product. Background technique [0002] Dehydrated vegetables, also known as rehydrated vegetables, are a kind of dried vegetables made by washing, cutting and drying fresh vegetables to remove most of the water in the vegetables. Dehydrated vegetables have the advantages of easy storage and transportation, light weight, and convenient consumption. High-quality dehydrated vegetable products should not only have good color and good rehydration, but also retain the nutrients contained in vegetables during the production process to meet the requirements of vision, taste and nutrition. At present, the dehydration process of the produced dehydrated vegetables will cause the loss of nutrients during the dehydration process, which reduces the nutritional value of the vegetables. At the same time, the rehydratio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L19/00A23L5/20A23L29/00A23L29/30A23B7/02A23B7/04
CPCA23L19/03A23B7/02A23B7/04A23L5/276A23L29/015A23L29/035A23L29/04A23L29/30A23V2002/00A23V2200/222A23V2250/11A23V2250/1614A23V2250/042A23V2250/02A23V2250/51088A23V2250/5118A23V2300/10
Inventor 张晓峰
Owner 安徽省万花巢生物科技有限公司
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