Preparation method of wheat germ oil with high nutritional value

A wheat germ oil and wheat germ technology, which is applied in the direction of fat oil/fat refining, fat oil/fat production, fat production, etc., can solve the problems of destroying nutrients such as protein, low extraction efficiency, and revealing the retention rate, and achieve the protection of nutrients. , Overcome the effect of low oil extraction rate and high yield extraction

Inactive Publication Date: 2020-10-02
曹贵永
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AI Technical Summary

Problems solved by technology

At present, there are mainly four methods for producing wheat germ oil at home and abroad: supercritical carbon dioxide extraction method, traditional solvent extraction method, pressing method and microwave-assisted solvent extraction method, but there is a common problem of low extraction efficiency, which cannot be effectively extracted More wheat germ oil, resulting in lower utilization of raw materials
The application number is: CN201810722475.X discloses a method for continuously extracting wheat germ oil with microwave-assisted solvent, in which the extraction rate of wheat germ oil is improved by using microwave-assisted treatment, but its retention of nutrients in wheat germ oil The rate reveals that microwave treatment destroys nutrients such as protein, which is not conducive to the retention of selenium and other elements in wheat germ oil, and reduces the edible value of wheat germ oil

Method used

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  • Preparation method of wheat germ oil with high nutritional value
  • Preparation method of wheat germ oil with high nutritional value

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preparation example Construction

[0024] A preparation method of high nutritional value wheat germ oil, comprising the steps of:

[0025] (1) Screening and cleaning treatment: put the wheat germ into the screening machine for screening, remove the damaged wheat germ, then put the screened wheat germ into clean water, and then use ultrasonic waves with a frequency of 600~700kHz , after ultrasonic cleaning for 20-30 minutes, take it out for later use; the drying oven used in the drying process is a hot air drying oven or a far-infrared drying oven, and the temperature in the drying oven is controlled not to exceed 70°C during the drying process;

[0026] (2), drying treatment: put the wheat germ treated in step (1) into a drying box for drying treatment, control the water content in the wheat germ to 18-20%, and then take it out for later use;

[0027] (3), low-temperature freezing treatment: put the wheat germ processed in step (2) into the freezer, control the accumulation thickness of the wheat germ in the fr...

Embodiment 1

[0034] A preparation method of high nutritional value wheat germ oil, comprising the steps of:

[0035] (1) Screening and cleaning treatment: Put the wheat germ into the screening machine for screening treatment, remove the damaged wheat germ, put the screened wheat germ into clean water, and then use ultrasound with a frequency of 600kHz, ultrasonic After cleaning for 20 minutes, take it out for use; the drying box used in the drying process is a hot air drying box, and the temperature in the drying box is controlled at 65~70°C during the drying process;

[0036] (2), drying treatment: put the wheat germ treated in step (1) into a drying box for drying treatment, control the water content in the wheat germ to 18-20%, and then take it out for later use;

[0037] (3), low-temperature freezing treatment: put the wheat germ processed in step (2) into the freezer, control the accumulation thickness of the wheat germ in the freezer to be no more than 10cm, and then carry out low-te...

Embodiment 2

[0044] A preparation method of high nutritional value wheat germ oil, comprising the steps of:

[0045] (1) Screening and cleaning treatment: Put the wheat germ into the screening machine for screening treatment, remove the damaged wheat germ, put the screened wheat germ into clean water, and then use ultrasound with a frequency of 650kHz, ultrasonic After cleaning for 25 minutes, take it out for use; the drying box used in the drying process is a hot air drying box, and the temperature in the drying box is controlled at 60~65°C during the drying process;

[0046] (2), drying treatment: put the wheat germ treated in step (1) into a drying box for drying treatment, control the water content in the wheat germ to 18-20%, and then take it out for later use;

[0047] (3), low-temperature freezing treatment: put the wheat germ processed in step (2) into the freezer, control the accumulation thickness of the wheat germ in the freezer to be no more than 8cm, and then carry out the low...

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Abstract

The invention discloses a preparation method of wheat germ oil with high nutritional value, which belongs to the technical field of wheat processing. The method comprises the following steps: (1) screening and cleaning treatment; (2) drying treatment; (3) carrying out low-temperature freezing treatment; (4) pressurizing treatment; (5) extraction treatment; (6) extraction treatment; (7) precipitation and purification treatment; and (8) decoloring. The method disclosed by the invention is relatively simple in process and reasonable in step matching, and the prepared wheat germ oil is high in nutritional value and beneficial to large-scale popularization and application.

Description

technical field [0001] The invention belongs to the technical field of wheat processing, and in particular relates to a preparation method of wheat germ oil with high nutritional value. Background technique [0002] Wheat germ oil is a kind of grain germ oil made from wheat germ. It concentrates the nutritional essence of wheat and is rich in vitamin E, linoleic acid, linolenic acid, octadecyl alcohol and various physiologically active components. It is a valuable functional food with high nutritional value. In particular, the content of vitamin E is the highest among vegetable oils, and it has been recognized as a functional oil with nutritional and health effects. It can regulate endocrine, lose weight, prevent stains, dark spots and pigmentation; anti-oxidation, reduce lipid peroxide production, promote skin moisturizing function, make skin moist, delay aging; promote metabolism and skin renewal, anti-wrinkle, anti-wrinkle, Prevent skin aging, eliminate scars; mediate b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/04C11B1/10C11B3/00C11B3/06C11B3/10
CPCC11B1/04C11B1/104C11B3/001C11B3/008C11B3/06C11B3/10
Inventor 曹贵永
Owner 曹贵永
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