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Method for simultaneously acquiring protein and lipid from soybean

A soybean and protein technology, applied in the direction of edible oil/fat, protein food ingredients, protein composition of vegetable seeds, etc., can solve the problems of small quantity and strength, high processing cost, and unsatisfactory requirements

Inactive Publication Date: 2009-07-15
初景涛
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The homogenizer often used in production can also produce cavitation, but the quantity and strength it produces are small, and the homogenizer mainly uses mechanical shear force to crush the material
[0004] The No. 6 solvent oil currently used has a good extraction ability for soybean oil, but its solubility for other substances is very weak. To achieve simultaneous extraction of protein and oil, a new solvent must be used
Solvents such as ethanol, acetone, isopropanol, and methylene chloride proposed by many scholars also have the disadvantages of high processing costs and high energy consumption.
These solvents, including No. 6 mineral spirits, only work on some components of soybeans and cannot meet our requirements. Therefore, it is necessary to develop new solvents to meet the needs of obtaining soybean protein and oil at the same time

Method used

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  • Method for simultaneously acquiring protein and lipid from soybean

Examples

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example 1

[0010] Example 1: Take 100 kg of peeled soybean powder with an average particle size of 5 mm and 100 kg of mixed solvent, which is prepared by hexane and 90% aqueous ethanol in a weight ratio of 6:4. After preheating, it is pumped to a processing capacity of 10m 3 In the cavitation generator of / h, the preheating temperature and operating temperature are both 50°C, and the effluent from the machine is sampled and analyzed. Centrifuge to separate the solid and liquid phases first. After the solid phase is desolvated, the protein content is 72%. The liquid phase is divided into an oil-rich layer and an ethanol layer after cooling to 20°C. The oil-rich layer is taken to evaporate the hexane, and the obtained soybean oil is converted into weight. It is 96% of the total oil content of soybeans.

example 2

[0011] Example 2: Get 100 kilograms of peeled soybean powder with an average particle size of 2 mm and 120 kilograms of mixed solvent, which is prepared by hexane and 92% aqueous ethanol in a weight ratio of 6:4. After preheating, it is pumped to a processing capacity of 10m 3 In the cavitation generator of / h, the preheating temperature and the operating temperature are both 45°C, and the cycle is operated three times, and the effluent of the machine is sampled and analyzed. The solid and liquid phases were separated by centrifugation first. After the solid phase was desolvated, the protein content was 72.5%. The liquid phase was divided into an oil-rich layer and an ethanol layer after cooling down to 15°C. The oil-rich layer was evaporated to remove the hexane, and the obtained soybean oil was secondary soybean oil.

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Abstract

The invention relates to a method for simultaneously obtaining soybean protein and grease from soybeans by utilizing a specially designed machine and a solvent to process the soybeans. The machine generates mass bubbles in the solvent by a mechanical rotating mode and simultaneously break cell walls, release substance in cells, diffuse and dissolve the substance under the action of strong impulse force of the mass bubbles; the solvent comprises a polar solvent and a nonpolar solvent, and substances in the soybeans are distributed in the polar solvent and the nonpolar solvent according to polarity difference to be further processed so as to obtain the grease and the protein.

Description

technical field [0001] The invention relates to a soybean processing technology, in particular to a method for producing cavitation by a mechanical method and treating soybeans accordingly. Background technique [0002] At present, the main method of soybean processing is to first peel the soybeans to remove impurities, then crush, soften, flail, puff, cool, soak the soybean embryos with No. 6 solvent oil, and the triglycerides contained in soybeans are extracted into the solvent oil. , which is sent to be refined into soybean oil, and the remaining soybean meal after oil soaking is used as feed or further processed to extract soybean protein. For soybean processing, because the price of soybean protein is much higher than that of soybean meal, it is hoped that soybean protein and oil can be obtained simultaneously to increase the added value of soybean processing. The water-based enzymatic process that uses water as a solvent and enzymatically breaks the wall developed abr...

Claims

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Application Information

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IPC IPC(8): A23L1/20A23L1/28A23J1/14A23D9/00A23L11/00
Inventor 初景涛
Owner 初景涛
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