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Refining process of grease rich in natural antioxidants

An antioxidant and oil technology, applied in the direction of oil/fat refining, fat production, etc., can solve the problem of easily destroying the original nutrients, and achieve the effect of reducing the risk of degradation, reducing the degree of degradation, and low energy consumption

Pending Publication Date: 2020-06-05
SHANDONG XIWANG FOOD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problem in the prior art that the original nutrients are easily destroyed during the refining of corn oil, the present invention provides an oil refining process rich in natural antioxidants to solve the above problems

Method used

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  • Refining process of grease rich in natural antioxidants
  • Refining process of grease rich in natural antioxidants
  • Refining process of grease rich in natural antioxidants

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] An oil refining process rich in natural antioxidants is carried out in the following steps:

[0026] (1) Decolorization process

[0027] Based on the weight of crude corn oil, transfer the crude corn oil into a decolorization tank, add 0.1% of a 10% sodium hydroxide aqueous solution under stirring, and stir for 30 minutes; then add 3.0% of activated carbon and 2.0% of zeolite, and heat up Stir at 60-70°C for 2 hours, control the rotation speed at 500-600rpm / min; heat filter to obtain decolorized oil.

[0028] (2) Dewaxing process

[0029] Transfer the decolorized oil into the dewaxing tank, add 5‰ of diatomaceous earth, control the temperature of the decolorized oil to 35°C for crystallization for 3 hours; then control the cooling time for 4 hours to cool down to 20°C and keep it for 12 hours; continue to cool down to 5°C and keep it for 14 hours ; Filter to obtain dewaxed oil.

[0030] (3) Deodorization process

[0031] Heat the dewaxed oil to 190-195°C. After reac...

Embodiment 2

[0033] On the basis of Example 1, the deodorization system includes a deodorization tower 1 , an atomizer 3 , a vacuum pump 11 and a nitrogen generator 12 . Described deodorization tower 1 is provided with interlayer 8, feed pipe 2, discharge pipe 5 and gas pipe 15; Described interlayer 8 is provided with interlayer inlet pipe 7 and interlayer outlet pipe 9; Described feed pipe 2 is provided with inlet Material valve 4; The outlet of described feed pipeline 2 is provided with atomizer 3; Described discharge pipeline 5 is provided with discharge valve 6; Described gas pipeline 15 links to each other with vacuum pipeline 10 and nitrogen pipeline 13; The vacuum pipeline 10 is connected to the vacuum pump 11; a buffer tank 12 is arranged between the vacuum pipeline 10 and the vacuum pump 11; the nitrogen pipeline 13 is connected to the nitrogen generator 14.

Embodiment 3

[0035] An oil refining process rich in natural antioxidants is carried out in the following steps:

[0036] (1) Decolorization process

[0037] Based on the weight of crude corn oil, transfer the crude corn oil into a decolorization tank, add 0.2% of a 10% aqueous sodium hydroxide solution under stirring, and stir for 30 minutes; then add 2.5% of zeolite and 2.5% of clay, and heat up Stir at 60-70°C for 1.5h, control the speed at 500-600rpm / min; heat filter to obtain decolorized oil.

[0038] (2) Dewaxing process

[0039] Transfer the decolorized oil into a dewaxing tank, add 8‰ perlite, control the temperature of the decolorized oil to 30°C for crystallization for 3 hours; then control the cooling time for 3 hours to cool down to 20°C, and keep it for 12 hours; continue to cool down to 5°C, and keep it for 14 hours; Filter to obtain dewaxed oil.

[0040] (3) Deodorization process

[0041] Heat the dewaxed oil to 190-195°C. After reaching the temperature, transfer the heat...

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Abstract

The invention relates to a refining process of grease rich in natural antioxidants, and belongs to the technical field of edible oil refining processing. The method comprises the following steps: (1)decoloring, (2) dewaxing, and (3) deodorizing. The method disclosed by the invention has the beneficial effects that by reducing the temperature in each process, especially the temperature during deodorization, the original nutritional ingredients in the grease are reserved to the greatest extent, and the loss of the nutritional ingredients in the refining process is avoided. The new process has lower energy consumption, and the competitiveness of the product is enhanced.

Description

technical field [0001] The invention belongs to the technical field of edible oil refining and processing, and in particular relates to an oil refining process rich in natural antioxidants. Background technique [0002] Corn oil, also known as corn oil and corn germ oil, is an oil extracted from corn germ. The fat content of corn germ is between 17% and 45%, accounting for more than 80% of the total fat content of corn. The fatty acid in corn oil is characterized by unsaturated fatty acid content as high as 80% to 85%. Corn oil itself does not contain cholesterol. It has a dissolving effect on the accumulation of cholesterol in the blood, so it can reduce the hardening effect on blood vessels. It has a positive preventive effect on senile diseases such as arteriosclerosis and diabetes. Due to the functions of natural sterols and vitamin E complex, it has obvious curative and preventive effects on heart disease, thrombophlebitis, reproductive dysfunction, muscular atrophy,...

Claims

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Application Information

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IPC IPC(8): C11B3/00
CPCC11B3/001
Inventor 王棣王辉王少振孙淑华邢建斌刘延民
Owner SHANDONG XIWANG FOOD
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