Preparation method of high content conjugated linoleic acid by using safflower oil as raw material

A technology of conjugated linoleic acid and safflower seed oil, which is applied in the fields of carboxylate preparation, separation/purification of carboxylic acid compounds, organic chemistry, etc., and can solve problems such as difficult separation and purification, high reaction temperature, and long reaction time , to achieve the effects of short preparation time, low preparation cost and simple preparation method

Inactive Publication Date: 2017-04-26
乌鲁木齐上善元生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, conjugated linoleic acid also has antithrombotic properties, which can inhibit platelet aggregation caused by arachidonic acid or collagen. At present, most methods of synthesizing conjugated linoleic acid use vegetable oil rich in linoleic acid as raw materials , which is obtained by isomerization under alkali catalysis, has the disadvantages of high reaction temperature, long reaction time, low yield, and difficult separation and purification.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The invention provides a technical solution: a method for preparing high-content conjugated linoleic acid from safflower seed oil, comprising the following steps:

[0020] A. Select fresh safflower seeds, wash them and dry them in the sun, then put them into a high-temperature sterilization box for high-temperature sterilization. Nitrogen gas is introduced during the sterilization process, and the nitrogen flow rate is 20ml / min. The sterilization temperature is 120°C. Bacteria time is 10min;

[0021] B. Put the safflower seeds after high-temperature sterilization in step A into an extruder and squeeze them. The speed of the extruder is 200 rpm, the pressing temperature is 50°C, and the pressing time is 5 minutes. Afterwards, the semi-finished oil of safflower seeds is refined Filter, filter continuously 3 times, remove filter residue and supernatant after filtering, obtain safflower seed oil;

[0022] C. Add the safflower seed oil obtained in step B into the reaction k...

Embodiment 2

[0030] The invention provides a technical solution: a method for preparing high-content conjugated linoleic acid from safflower seed oil, comprising the following steps:

[0031] A. Select fresh safflower seeds, wash them and dry them in the sun, then put them into a high-temperature sterilization box for high-temperature sterilization. During the sterilization process, nitrogen gas is introduced, and the nitrogen flow rate is 50ml / min. The sterilization temperature is 150°C. Bacteria time is 20min;

[0032] B. Put the safflower seeds after high-temperature sterilization in step A into an extruder to squeeze. The speed of the extruder is 500 rpm, the pressing temperature is 60°C, and the pressing time is 10 minutes. Afterwards, the safflower seed semi-finished oil is refined Filter, filter continuously 3-5 times, remove filter residue and supernatant after filtering, obtain safflower seed oil;

[0033] C. Add the safflower seed oil obtained in step B into the reaction kettle,...

Embodiment 3

[0041] The invention provides a technical solution: a method for preparing high-content conjugated linoleic acid from safflower seed oil, comprising the following steps:

[0042] A. Select fresh safflower seeds, wash and dry them, and then put them into a high-temperature sterilization box for high-temperature sterilization. Nitrogen gas is introduced during the sterilization process, and the nitrogen flow rate is 30ml / min. The sterilization temperature is 130°C. Bacteria time is 12min;

[0043] B. Put the safflower seeds after high-temperature sterilization in step A into an extruder and squeeze them. The speed of the extruder is 300 rpm, the pressing temperature is 52°C, and the pressing time is 6 minutes. Afterwards, the semi-finished oil of safflower seeds is refined Filter, filter continuously 5 times, remove filter residue and supernatant after filtering, obtain safflower seed oil;

[0044] C. Add the safflower seed oil obtained in step B into the reaction kettle, and a...

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PUM

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Abstract

The invention discloses a preparation method of high content conjugated linoleic acid by using safflower oil as a raw material. The method is as below: using safflower seeds as the raw material, first performing high temperature sterilization while introducing nitrogen into the safflower seeds, and conducting pressing and conducting fine filtering; then carrying out enzymatic hydrolysis on the obtained fine filtrate; adjusting the pH of the solution after enzymatic hydrolysis, and carrying out an acidification reaction; and finally, carrying out extraction to separate conjugated linoleic acid. The preparation method provided by the invention is simple, low in preparation cost, and short in preparation time, and the prepared conjugated linoleic acid is high in content, and high in purity and can be directly eaten.

Description

technical field [0001] The invention relates to the technical field of conjugated linoleic acid preparation, in particular to a method for preparing high-content conjugated linoleic acid by using safflower seed oil as a raw material. Background technique [0002] Conjugated linoleic acid can reduce carcinogen-induced skin cancer, gastric cancer, breast cancer, colon cancer and thymus cancer and breast cancer cells in culture. In addition, conjugated linoleic acid can help regulate or reduce the level of glucose in the blood and prevent the occurrence of diabetes. At the same time, conjugated linoleic acid can affect the content of cholesterol in serum and reduce the content of harmful low-density lipoprotein cholesterol without affecting the content of good-for-health high-density lipoprotein cholesterol. In addition, conjugated linoleic acid also has antithrombotic properties, which can inhibit platelet aggregation caused by arachidonic acid or collagen. At present, most m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C57/12C07C51/02C07C51/48
CPCC07C51/02C07C51/48C07C57/12
Inventor 陈建国
Owner 乌鲁木齐上善元生物科技有限公司
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