Preparation method of high-linoleic-acid safflower seed oil

A technology of safflower seed oil and high linoleic acid, which is applied in the fields of fat oil/fat refining, fat oil/fat production, fat production, etc., can solve the problems of high extraction cost, inconvenient industrial large-scale production, low production capacity, etc., and achieve extraction The effect of low cost, less impurities and high productivity

Pending Publication Date: 2020-09-08
新疆红帆生物科技有限公司
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  • Abstract
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Problems solved by technology

[0005] The present invention provides a preparation method of high linoleic acid safflower seed oil, which overcomes the deficiencies of the above-mentioned prior art, and can effectively solve the problem of using supercritical fluid carbon dioxide to directly extract safflower seeds from raw materials of safflower seeds in the prior art Oil has the problems of low production capacity, high extraction cost and inconvenient industrial large-scale production

Method used

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  • Preparation method of high-linoleic-acid safflower seed oil

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Embodiment 1

[0019] Embodiment 1: The preparation method of the high linoleic acid safflower seed oil is carried out according to the following steps: the first step, the safflower seed powder is added to No. 6 extraction solvent oil for extraction and stirring, and the extract is obtained after separation In the second step, the obtained extract is concentrated under reduced pressure and stirred to obtain safflower seed crude oil; in the third step, the obtained safflower seed crude oil is extracted with supercritical carbon dioxide and separated from impurities to obtain high linoleic acid Safflower oil.

[0020] The above No. 6 extraction solvent oil was provided by Shandong Yanshuo Chemical Co., Ltd.

Embodiment 2

[0021] Embodiment 2: As an optimization of the above embodiment, the weight ratio of safflower seed powder to No. 6 extraction solvent oil is 1:1.1 to 2.0.

Embodiment 3

[0022] Example 3: As an optimization of the above example, in the first step, countercurrent extraction is used for extraction, the extraction temperature is 40°C to 55°C, and the stirring speed is 0.3r / h to 1.0r / h.

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Abstract

The invention relates to the technical field of safflower seed oil preparation, and in particular, relates to a preparation method of high-linoleic-acid safflower seed oil, wherein the preparation method comprises the following steps: step 1, adding safflower seed powder into No.6 extraction solvent oil, extracting, stirring, and separating to obtain an extract liquid; step 2, carrying out reducedpressure concentration on the obtained extract liquid, and stirring to obtain safflower seed crude oil; and step 3, carrying out supercritical carbon dioxide extraction on the obtained safflower seedcrude oil, and separating impurities to obtain the high-linoleic-acid safflower seed oil. The high-linoleic-acid safflower seed oil prepared by the method is high in linoleic acid content, few in impurities, high in quality and free of residual solvents. The extraction solvent disclosed by the invention can be recycled, is low in extraction cost and high in productivity, can realize large-scale industrial production, can also be applied to large-scale extraction of other fat-soluble substances, and has a wide application prospect.

Description

technical field [0001] The invention relates to the technical field of safflower oil preparation, and relates to a preparation method of high linoleic acid safflower oil. Background technique [0002] Safflower seed oil is a vegetable oil extracted from the seeds of Compositae safflower (Carthamus tinctorius L.), and its linoleic acid content is the highest among all vegetable oils. The Ta'e Basin in Xinjiang is the main producing area of ​​safflower. The oil content of safflower seeds in this area is high, which can reach 26% of the dry weight of safflower seeds, and the content of linoleic acid in the oil can reach more than 80%. Therefore, safflower seeds from Ta'e Basin in Xinjiang are ideal raw materials for extracting high linoleic acid safflower oil. [0003] Linoleic acid (Linolic acid) is an 18-carbon unsaturated fatty acid. It is a fatty acid that is necessary for the human body but cannot be synthesized in the body. It must be taken in through the diet as a neces...

Claims

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Application Information

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IPC IPC(8): C11B1/10C11B3/00
CPCC11B1/10C11B3/001C11B3/006
Inventor 张慧刘沐霖张绍绍高应权李昊昊安超李琪
Owner 新疆红帆生物科技有限公司
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