Refining method of millet bran cold pressing oil

A refining method and millet bran oil technology are applied in the direction of oil/fat refining, edible oil/fat production/processing, fat generation, etc., and can solve the problems of long residence time, turbidity of refined oil, and reduction of content of beneficial elements, etc. Guarantee the crystallization effect, reduce the degree of oxidation, and improve the quality

Inactive Publication Date: 2017-04-26
陕西妙谷粮农科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Now millet bran cold pressing oil refining generally adopts the refining method of bulk vegetable oil, intermittent production, high temperature hydration, intermittent heating dehydration, although some also use vacuum dehydration, but the heating temperature is too high, the oil stays in the dehydration equipment for too long, etc. All affect the quali

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  • Refining method of millet bran cold pressing oil

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[0022] The content of the present invention will be described in detail below with reference to the accompanying drawings.

[0023] Such as figure 1 As shown, a method for refining millet bran cold-pressed oil of the present invention includes the following steps:

[0024] Step 1. Pump the filtered millet bran cold-pressed oil into the hydration tank, and pass steam into the heating coil of the hydration tank. The steam pressure does not exceed 0.4Mpa. While heating, turn on the stirring motor to adjust the stirring The number of revolutions is 30r / min, until the oil temperature reaches 60℃.

[0025] Step 2. Heat the demineralized water in the hot water tank to 65°C, open the water inlet valve, add hot water to the oil of step 1 according to 5.5% of the oil weight, stir while adding water, and the stirring speed is 30r / min , Add water for 10 minutes, after adding water, continue stirring for 30 minutes.

[0026] Step three: The oil in step two is kept for more than 8 hours in heat p...

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Abstract

The invention discloses a refining method of millet bran cold pressing oil. According to the method provided by the invention, a semi-continuous refining technology is adopted, middle-temperature hydration degumming is adopted, continuous flash vaporization hydration is adopted, and crystallization and filtering are performed for multiple times, so that harmful substances in crude oil are removed, the quality of radish seed oil is improved, and the flavor and nutritional ingredients of the radish seed oil are kept. The cold pressing millet oil prepared by the refining method provided by the invention has the advantages that microelements, such as vitamin E, sterol and oryzanol in the oil can be kept, the oil quality is high, the linoleic acid content is high, the oil cloud point temperature is low and wide promotion and high edible value are realized.

Description

technical field [0001] The invention belongs to the field of grain processing, and in particular relates to a method for refining vegetable oil. Background technique [0002] Cold-pressed millet bran oil is rich in vitamin E, sterols, oryzanol and other trace elements, which can improve the body's immunity, inhibit the body's absorption of cholesterol, and have the functions of relieving fatigue and anti-aging. [0003] Cold-pressed millet bran oil is rich in fatty acids, especially linoleic acid, which is one of the effective ingredients in millet bran oil for health care and an essential fatty acid for the human body. Because it is easy to oxidize, it is necessary to avoid high temperature contact with air to produce oxidation reaction, resulting in a decrease in linoleic acid content. [0004] Now millet bran cold pressing oil refining generally adopts the refining method of bulk vegetable oil, intermittent production, high temperature hydration, intermittent heating deh...

Claims

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Application Information

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IPC IPC(8): C11B3/00C11B3/12A23D7/02
CPCA23D7/02C11B3/001C11B3/006C11B3/008C11B3/12
Inventor 魏永峰
Owner 陕西妙谷粮农科技有限公司
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