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Walnut oil curing squeezing method

A technology of walnut oil and walnut kernels, which is applied in the field of edible oil or fat, can solve the problems of incomplete ripening of walnuts, affect the quality of walnut oil, and high difficulty in ripening, and achieve the effects of improving brittleness, improving economic benefits of enterprises, and uniform ripening

Inactive Publication Date: 2018-01-09
界首市致富家庭农场
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The ripe pressing method of walnut oil is to heat and ripen the walnuts and then use the oil press to physically squeeze them. However, this method is difficult to ripen. If the temperature is too high, it is easy to cause the local temperature of the walnuts to be too high, resulting in burnt walnuts, which seriously affects the quality of the walnuts. Oil quality; if the temperature is too low, the walnuts will not be fully ripened, which will affect the oil yield

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A method for ripely squeezed walnut oil, specifically the following steps:

[0018] (1) Purchasing and crushing high-quality walnuts

[0019] Clean the purchased walnut kernels and dry them in the shade, then place them in a freezer at -15°C for 30 minutes, then use a grinder to crush them immediately, then place the crushed walnut kernels in an oven, and dry them in a cold air drying cycle until the water content is 0.5 %the following;

[0020] (2) Mature treatment of walnut kernels

[0021] Put the crushed walnut kernels obtained in step (1) into the walnut oil squeezed from the same batch, mix the crushed walnut kernels and walnut oil at a mass ratio of 3:1, then heat to 110-115°C to keep warm, and use a stirrer Stir continuously, and after 5 minutes, pour them into the oil press and squeeze them together;

[0022] (3) Walnut oil to remove impurities

[0023] Sieve the squeezed walnut oil while it is hot and let it stand for 60 minutes, then take four-fifths of t...

Embodiment 2

[0027] A method for ripely squeezed walnut oil, specifically the following steps:

[0028] (1) Purchasing and crushing high-quality walnuts

[0029] Clean the purchased walnut kernels and dry them in the shade, then place them in a freezer at -15°C for 40 minutes, crush them with a grinder immediately, then place the crushed walnut kernels in an oven, and dry them in a cold air drying cycle until the water content is 0.5 %the following;

[0030] (2) Mature treatment of walnut kernels

[0031] Put the crushed walnut kernels obtained in step (1) into the walnut oil squeezed from the same batch, mix the crushed walnut kernels and walnut oil at a mass ratio of 3:1, then heat to 110-115°C to keep warm, and use a stirrer Stir continuously, and after 8 minutes, pour them into an oil press together and squeeze them;

[0032] (3) Walnut oil to remove impurities

[0033] Sieve the squeezed walnut oil while it is hot and let it stand for 80 minutes, then take four-fifths of the upper...

Embodiment 3

[0037] A method for ripely squeezed walnut oil, specifically the following steps:

[0038] (1) Purchasing and crushing high-quality walnuts

[0039] Clean the purchased walnut kernels and dry them in the shade, then place them in a freezer at -15°C for 35 minutes, then crush them with a grinder immediately, then place the crushed walnut kernels in an oven, and dry them in a cold air drying cycle until the water content is 0.5 %the following;

[0040] (2) Mature treatment of walnut kernels

[0041] Put the crushed walnut kernels obtained in step (1) into the walnut oil squeezed from the same batch, mix the crushed walnut kernels and walnut oil at a mass ratio of 3:1, then heat to 110-115°C to keep warm, and use a stirrer Stir continuously, and after 6 minutes, pour them into the oil press together and squeeze them;

[0042] (3) Walnut oil to remove impurities

[0043] Sieve the squeezed walnut oil while it is hot and let it stand for 70 minutes, then take four-fifths of the...

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Abstract

The invention relates to walnut oil curing squeezing method which specifically comprises the following steps: (1) purchasing and crushing high-quality walnut kernels; (2) performing curing treatment on walnut kernels; and (3) removing impurities of walnut oil. Tests show that by adopting the walnut oil curing squeezing method provided by the invention, moisture and impurities such as coked walnutkernels generated in the curing squeezing process are reduced, the content of impurities in crude oil is reduced to be less than 1.0% from 2.1% of the prior art, meanwhile the oil yield of the walnutkernels is increased to be 39.9% or greater from 38.5% of the prior art, and thus the economic benefits of companies are greatly increased.

Description

technical field [0001] The invention belongs to the technical field of edible oil or fat, and in particular relates to a method for ripely squeezed walnut oil. Background technique [0002] Walnut oil is a vegetable oil obtained by pressing walnut kernels as raw materials. Belongs to edible oil. The oil content of walnut is as high as 65%-70%, ranking first among all woody oils, and has the reputation of "oil depot on trees". Using modern technology to extract its essence, this is a new generation of walnut product - walnut oil. Walnut oil is a natural fruit juice made from high-quality walnuts as raw materials and using international leading technology. In the international market, walnut oil is known as "Oriental olive oil" and is favored by consumers just like olive oil. [0003] The ripe pressing method of walnut oil is to heat and ripen the walnuts and then use the oil press to physically squeeze them. However, this method is difficult to ripen. If the temperature i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/04C11B1/08C11B3/00C11B3/16
Inventor 任李建
Owner 界首市致富家庭农场
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