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Method for extracting oat bran oil by using supercritical CO2 (Carbon Dioxide) fluid technique

A technology of oat bran oil and fluid technology, which is applied in the production of fat oil/fat and fat production, can solve the problems of low oil yield, low efficiency, inconvenient industrial application, etc., to ensure natural quality and extraction temperature close to room temperature. Effect

Inactive Publication Date: 2012-12-19
INNER MONGOLIA SANZHULIANG NATURAL OATS IND CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when extracting oat bran oil by this method, the oil yield of oat bran oil is only 6.226%, the oil yield is low, the efficiency is extremely low, and it is not convenient for industrial application

Method used

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  • Method for extracting oat bran oil by using supercritical CO2 (Carbon Dioxide) fluid technique
  • Method for extracting oat bran oil by using supercritical CO2 (Carbon Dioxide) fluid technique
  • Method for extracting oat bran oil by using supercritical CO2 (Carbon Dioxide) fluid technique

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] (1) Weigh 1000g oat bran sample, place it in a vacuum drying oven at 60°C, take it out every 50min, weigh it, and dry it to constant weight;

[0037] (2) Turn on the main power of the supercritical extractor, turn on the refrigeration, heat the heater, and turn on the refrigeration to the set temperature; after the extraction temperature is reached, open the kettle and put the materials into the basket, close the lid, and turn on the vacuum to pump air to the negative Pressure 0.1, CO 2 Open the cylinder and start working, adjust the extraction pressure to 27MPa, adjust the extraction temperature to 45°C, the main pump CO 2 Adjust the flow rate to 600mL / min; after working for 30 minutes, adjust the pressure of the separation tank to 6.5MPa, adjust the separation temperature to 53°C, and start to separate the oil, and the working time is 3 hours;

[0038] (3) After the extraction, the CO 2 Recover by refrigeration, until the pressure is balanced, release all the oil in...

Embodiment 2

[0041] (1) Weigh 1000g oat bran sample, place it in a vacuum drying oven at 60°C, take it out every 50min, weigh it, and dry it to constant weight;

[0042] (2) Turn on the main power of the supercritical extractor, turn on the refrigeration, heat the heater, and turn on the refrigeration to the set temperature; after the extraction temperature is reached, open the kettle and put the materials into the basket, close the lid, and turn on the vacuum to pump air to the negative Pressure 0.1, CO 2 Open the cylinder and start working, adjust the extraction pressure to 28MPa, adjust the extraction temperature to 48°C, the main pump CO 2 Adjust the flow rate to 550mL / min; after working for 30 minutes, adjust the pressure of the separation tank to 7MPa, adjust the separation temperature to 55°C, and start to separate oil, and the working time is 3 hours;

[0043] (3) After the extraction, the CO 2 Recover by refrigeration, until the pressure is balanced, release all the oil in the f...

Embodiment 3

[0046] (1) Weigh 1000g oat bran sample, place it in a vacuum drying oven at 60°C, take it out every 50min, weigh it, and dry it to constant weight;

[0047] (2) Turn on the main power of the supercritical extractor, turn on the refrigeration, heat the heater, and turn on the refrigeration to the set temperature; after the extraction temperature is reached, open the kettle and put the materials into the basket, close the lid, and turn on the vacuum to pump air to the negative Pressure 0.1, CO 2 Open the cylinder and start working, adjust the extraction pressure to 26MPa, adjust the extraction temperature to 46°C, and the main pump CO 2 Adjust the flow rate to 560mL / min; after working for 30 minutes, adjust the pressure of the separation tank to 6MPa, adjust the separation temperature to 54°C, and start to separate the oil, and the working time is 3 hours;

[0048] (3) After the extraction, the CO 2 Through refrigeration recovery, to the equilibrium pressure, release all the o...

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Abstract

The invention discloses a method for extracting oat bran oil by using a supercritical CO2 (Carbon Dioxide) fluid technique. (1) a supercritical CO2 fluid serves as an extraction agent, and extraction is carried out on oat bran under conditions of 20-35MPa of extraction pressure, 40-48 DEG C of extraction temperature, 533-750ml / min of supercritical CO2 fluid flow; and (2) the oat bran oil is obtained through separation under conditions of 5-9 MPa of separation pressure and 50-60 DEG C of sepeartion temperature. An oil obtaining rate of the oat bran oil extracted by using the supercritical CO2 fluid technique can achieve more than 8%, the oat bran oil is slightly yellow in oil color and high in purity, and the method is simple in operation, soft in reaction condition and free of any pollution.

Description

technical field [0001] The invention relates to a preparation method of edible oil, in particular to an extraction method of oat bran oil, especially by using supercritical CO 2 Process for fluid extraction of oat bran oil. Background technique [0002] Oatmeal has extremely high nutritional value, oat fat is high-quality fat, including 82.17% unsaturated fatty acid, 13% protein, 2.7% soluble dietary fiber, 0.046% calcium, 0.249% phosphorus, 0.031% iron, 0.029% selenium, magnesium 0.071% and fat 9%, etc. These ingredients are far more than other food crops, and it also includes 18 kinds of amino acids such as leucine, arginine, lysine, active peptides and a large amount of minerals, and the ratio is very suitable for human beings, and it is more beneficial to the human body than other crops. healthy sex. Oats are widely praised as a highly nutritious and medicinal food. [0003] Oat bran, a by-product of oat rice processing, has not been effectively utilized. The oil-so...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/10
Inventor 孙佐邦佟步云孙治刘公文
Owner INNER MONGOLIA SANZHULIANG NATURAL OATS IND CORP
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