Extracting method of castor oil

An extraction method, castor oil technology, applied in the direction of fat oil/fat production, fat oil/fat refining, fat production, etc., can solve the problems of low safety, low oil yield, high energy consumption, etc., to improve oil yield efficiency, equipment The effect of small investment and simple process

Inactive Publication Date: 2015-04-29
刘夏
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, compared to hot pressing, the oil yield of cold pressing is relatively low
The traditional pressing process has a low oil yield, and the supercritical extraction process requires a large investment in equipment and high energy consumption
The organic solvent leaching process is prone to solvent residues and low safety

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A kind of extracting method of castor oil, is characterized in that, comprises the steps:

[0021] (1) Castor bean pretreatment: add water while stirring the selected castor bean, stir at a stirring speed of 125rpm for 13min, and adjust the water content to 15-20%;

[0022] (2) Enzymolysis: Add 0.3% of a mixed enzyme of cellulase, hemicellulase, protease, α-galacturase, and β-glucosidase to the above-mentioned castor, and control the enzymatic hydrolysis temperature at 40°C. Enzymolysis 1.5h;

[0023] (3) Microwave treatment: spread the above-mentioned castor seeds in the container, the thickness of the spread is controlled at 3cm, the microwave power range is controlled at 3500W, the temperature is 130°C, and the microwave treatment is 6min;

[0024] (4) Squeeze: press at a controlled temperature of 43°C;

[0025] (5) Alkali refining: Add alkali to the castor oil obtained by pressing, control the initial temperature at 45°C and the final temperature at 75°C, and alka...

Embodiment 2

[0029] A kind of extracting method of castor oil, is characterized in that, comprises the steps:

[0030] (1) Castor bean pretreatment: add water while stirring the selected castor bean, stir at a stirring speed of 130rpm for 13min, and adjust the water content to 15-20%;

[0031] (2) Enzymolysis: Add 0.3% of the mixed enzymes of cellulase, hemicellulase, protease, α-galacturase and β-glucosidase to the above-mentioned castor, and control the enzymatic hydrolysis temperature at 45°C. Enzymolysis 2h;

[0032] (3) Microwave treatment: spread the above-mentioned castor seeds in the container, the thickness of the spread is controlled at 4cm, the microwave power range is controlled at 4000W, the temperature is 120°C, and the microwave treatment is 8min;

[0033] (4) Squeeze: Press at a temperature of 43-45°C;

[0034] (5) Alkali refining: add alkali to the castor oil obtained by pressing, control the initial temperature at 50°C, and the final temperature at 80°C, and alkali refi...

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PUM

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Abstract

The invention discloses an extracting method of castor oil. The extracting method is characterized by comprising the following steps: firstly, castor oil processing, secondly, enzymolysis, thirdly, microwave processing, fourthly, pressing, fifthly, alkali refining, sixthly, hydrating, and seventhly, essential oil preparing. The method preprocesses oil plant seeds through a microwave technology, realizes high-strength uniform heating, improves the oil yield efficiency of cold pressing oil extraction, removes phospholipid through alkali refining and hydration, keeps the appearance of oil, does not contain any chemical solvent residual, ensures that the nutritional ingredients of castor oil do not run off to the greatest extent, and can obtain purely natural full fat castor oil. The method is simple in technology, low in equipment investment, low in energy consumption, safe and efficient, and can be massively popularized.

Description

technical field [0001] The invention belongs to the field of food processing, and in particular relates to a method for extracting castor oil. Background technique [0002] The utilization value of castor is very high. Castor beans can be used to extract oil; castor leaves can be used to raise silkworms; castor stalks can be used to make boards and paper; Ricin is an important anti-cancer substance; castor meal is rich in nutrients and is a high-quality organic fertilizer. After detoxification, it is a high-protein feed. The oil content of castor bean is about 50%, which is beyond the reach of other oil crops. [0003] Castor oil is a light yellow viscous non-drying oil that can dissolve in most organic solvents except fatty acid hydrocarbons, and is especially soluble in alcohol. Castor oil has good compatibility with nitrocellulose, ethyl cellulose, cellulose acetate butyrate, polyamide, butylated melamine (or urea) formaldehyde resin, rosin, shellac, etc., and can be us...

Claims

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Application Information

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IPC IPC(8): C11B1/00C11B1/04C11B1/08C11B3/06
CPCC11B1/00C11B1/04C11B1/08C11B3/001C11B3/06
Inventor 刘夏
Owner 刘夏
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