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Extraction method of tea seed oil

A tea seed oil and extraction technology, which is applied in the production of fat oil/fat and fat production, can solve the problems of residual organic solvent, high impurity content, low oil yield by pressing method, etc. high rate effect

Inactive Publication Date: 2020-04-17
湘潭博奥生态科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a tea seed oil extraction method that solves the problem of low oil yield, high impurity content and organic solvent residue in oil products in the extraction of the pressing method

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0010] First, take 500 grams of screened tea seeds and crush them to 60 mesh; secondly, put the crushed tea seeds into a supercritical CO2 extraction tank, heat to 40°C, pressurize to 35Mpa, and turn on the CO2 flow control Valve, control the CO2 flow rate at 27 kg / h, and extract under this condition for 120 minutes; finally carry out separation, the pressure of the separation tank I is controlled at 6Mpa, and the separation temperature is controlled at 45°C; and then the second separation is performed, and the pressure of the separation tank II is controlled at 3Mpa, the separation temperature is controlled at 40°C to separate 82 grams of tea seed oil.

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Abstract

The invention relates to a tea seed oil extraction method, which comprises: crushing tea seeds, loading the crushed tea seeds into a supercritical CO2 extraction tank, and carrying out supercritical CO2 extraction; and finally carrying out two-step separation to separate the tea seed oil. According to the invention, the supercritical CO2 extraction is adopted to achieve the high oil yield, and noother substances are added in the whole extraction process, so that the prepared tea seed oil does not contain impurities or organic solvents so as to solve the problems of low oil yield and high impurity content of the existing squeezing method and the residual organic solvent in the oil product in the organic solvent extraction process.

Description

technical field [0001] The invention belongs to the field of food processing, and in particular relates to an extraction method of tea seed oil. Background technique [0002] According to the research, the oil content of tea seeds is 75.75%, of which the unsaturated fatty acid content is as high as 94.52%, especially the two essential fatty acids of linoleic acid and α-linolenic acid are 79.42%, of which the linoleic acid content is 39.92%. The content of linolenic acid is 39.50%, which is the only natural vegetable oil with such a close content of linoleic acid and linolenic acid. Therefore, tea seeds have great development value and can provide valuable base materials for the research and development of health food. [0003] The prior art once disclosed the method of extracting tea seed oil with an organic solvent, and its technical disadvantages are as follows: one is the problem of residual organic solvent in the product; the other is that the production cost is relativ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/04C11B1/10
CPCC11B1/04C11B1/104C11B1/108
Inventor 不公告发明人
Owner 湘潭博奥生态科技有限公司
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