CN103074158A - Separation method of unsaturated fatty acid - Google Patents
Separation method of unsaturated fatty acid Download PDFInfo
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- CN103074158A CN103074158A CN 201310031996 CN201310031996A CN103074158A CN 103074158 A CN103074158 A CN 103074158A CN 201310031996 CN201310031996 CN 201310031996 CN 201310031996 A CN201310031996 A CN 201310031996A CN 103074158 A CN103074158 A CN 103074158A
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Abstract
The invention discloses a separation method of unsaturated fatty acid, which comprises the following steps of freezing mixed fatty acid containing unsaturated fatty acid at -5-0 DEG C, crystallizing, conducting filtering separation, using an oil absorption material to adsorb a liquid product obtained from the separation at -5-0 DEG C, conducting different-speed gradient centrifugation on a product obtained from the adsorption at -5-0 DEG C, and obtaining high-concentration unsaturated fatty acid after the centrifugation. The method is ecological, safe and environment-friendly, and can increase the concentration of unsaturated fatty acid greatly.
Description
Technical field
The present invention relates to a kind of method of fatty acid separation, particularly relate to a kind of unsaturated fatty acids separation method.
Background technology
Unsaturated fatty acids is extremely important to HUMAN HEALTH, has unique physiological function, but it can not synthesize in human body, can only rely on from food and take in.Contain this kind unsaturated fatty acids and mainly contain the materials such as linseed oil, fiery numb seed, purple perilla, the bark of eucommia, the complete processing that the most often adopts at present is directly squeezing, polyene unsaturated fatty acid wherein mixes with saturated fatty acid, and the content of polyene unsaturated fatty acid is generally 25～55%.
At present existing highly purified method such as urea adduct method, adsorption method of separation, supercritical fluid extraction, the lipase method of enrichment etc. carried all belong to chemical field, and actually operating is worth not high.So need a kind of separation method that can improve unsaturated fatty acids purity and be beneficial to actually operating badly.
Summary of the invention
Main purpose of the present invention provides a kind of method of quick, safe, ecological separation unsaturated fatty acids.
Unsaturated fatty acids separation method of the present invention comprises the steps:
The mixed fatty acid that obtains after the material that 1, will contain unsaturated fatty acids squeezes naturally carries out freezing, crystallization at 0～-5 ℃ low temperature, and carries out filtering separation, isolate solid product 1. with other liquid products.1. product mainly comprises palmitinic acid, oleic acid, stearic acid and other saturated fatty acids.
2, the liquid product that obtains of step 1 adopts oil absorption material to adsorb under 0～-5 ℃ low temperature, and oil absorption material comprises animal fibre and vegetable fibre such as velveteen, feather, the materials such as modification oil suction fibre.
3, the product that obtains after the absorption carries out different rotating speeds under 0～-5 ℃ low temperature centrifugal.After centrifugal, obtain product 2., product 3., product is 4..2. product is mainly used oil absorption material, oil absorption material can be reused, 3. product is mainly the rear residual oleic acid of linolic acid and step 1, saturated fatty acid etc., and product 4. main component is linolic acid and unsaturated fatty acids linolenic acid etc., and wherein linolenic content reaches more than 85%.
Description of drawings
Fig. 1 is the schema of unsaturated fatty acids separation method of the present invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment unsaturated fatty acids separation method of the present invention is described in further detail.
Shown in Fig. 1, unsaturated fatty acids separation method of the present invention, its step comprises as follows:
The mixed fatty acid that obtains after the material that 1, will contain unsaturated fatty acids squeezes naturally carries out freezing, crystallization at 0～-5 ℃ low temperature, and carries out filtering separation, isolate solid product 1. with other liquid products.1. product mainly comprises palmitinic acid, oleic acid, stearic acid and other saturated fatty acids.
2, the liquid product that obtains of step 1 adopts oil absorption material to adsorb under 0～-5 ℃ low temperature, and oil absorption material comprises animal fibre and vegetable fibre such as velveteen, feather, and the materials such as modification oil suction fibre, the ratio of sorbing material is 1: 20～1: 30.
3, the product that obtains after the absorption carries out the different rotating speeds gradient centrifugation under 0～-5 ℃ low temperature, centrifugal rotational speed is 2500r/min～4000r/min, and centrifugation time is 10～15 minutes.After centrifugal, obtain product 2., product 3., product is 4..2. product is mainly used oil absorption material, oil absorption material can be reused, 3. product is mainly the rear residual oleic acid of linolic acid and step 1, saturated fatty acid etc., and product 4. main component is linolic acid and unsaturated fatty acids linolenic acid etc., and wherein linolenic content reaches more than 85%.
Embodiment:
Use method of the present invention that 500ml physical squeezing linseed oil is purified, wherein each component concentration of lipid acid: palmitinic acid 6.2%, stearic acid 3.2%, oleic acid 21.8%, linolic acid 16.3%, linolenic acid 52.3%.At first 0～-5 ℃ cryogenic freezing, crystallization, filtering separation, then under 0～-5 ℃ low temperature, utilize natural feather to adsorb at 1: 20 in proportion, product after the absorption was pressed respectively 2500r/min and 3000r/min each centrifugal 10 minutes under 0～-5 ℃ low temperature, obtain at last fatty acids products 286ml.The fatty acid component content of final product is palmitinic acid 1.2%, stearic acid 0.6%, oleic acid 1.8%, linolic acid 5.6%, linolenic acid 87.1%.
Claims (2)
1. a unsaturated fatty acids separation method is characterized in that, comprises the steps:
The mixed fatty acid that (1) will contain unsaturated fatty acids carries out freezing, crystallization at 0～-5 ℃ low temperature, and carries out filtering separation;
(2) separating the product liquid that obtains adopts oil absorption material to adsorb under 0～-5 ℃ low temperature;
(3) product that obtains carries out the different rotating speeds gradient centrifugation after the absorption under 0～-5 ℃ low temperature, obtains the unsaturated fatty acids of high density after centrifugal.
2. the method for claim 1 is characterized in that, described oil absorption material refers to animal fibre and vegetable fibre such as velveteen, feather, the materials such as modification oil suction fibre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310031996 CN103074158A (en) | 2013-01-29 | 2013-01-29 | Separation method of unsaturated fatty acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310031996 CN103074158A (en) | 2013-01-29 | 2013-01-29 | Separation method of unsaturated fatty acid |
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| CN103074158A true CN103074158A (en) | 2013-05-01 |
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| CN 201310031996 Pending CN103074158A (en) | 2013-01-29 | 2013-01-29 | Separation method of unsaturated fatty acid |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107177398A (en) * | 2017-06-07 | 2017-09-19 | 上海鑫灵精细化工有限公司 | Diesel antiwear additive and preparation method thereof |
| CN112403271A (en) * | 2020-10-28 | 2021-02-26 | 中海油天津化工研究设计院有限公司 | Method for preparing diesel antiwear agent by removing saturated fatty acid through membrane separation |
| CN113652302A (en) * | 2021-09-01 | 2021-11-16 | 安徽山美生物科技有限公司 | Method for preparing skin care tea seed oil by separating unsaturated fatty acid from oil tea seed oil |
-
2013
- 2013-01-29 CN CN 201310031996 patent/CN103074158A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107177398A (en) * | 2017-06-07 | 2017-09-19 | 上海鑫灵精细化工有限公司 | Diesel antiwear additive and preparation method thereof |
| CN107177398B (en) * | 2017-06-07 | 2020-01-31 | 上海鑫灵精细化工有限公司 | Diesel antiwear agent and preparation method thereof |
| CN112403271A (en) * | 2020-10-28 | 2021-02-26 | 中海油天津化工研究设计院有限公司 | Method for preparing diesel antiwear agent by removing saturated fatty acid through membrane separation |
| CN113652302A (en) * | 2021-09-01 | 2021-11-16 | 安徽山美生物科技有限公司 | Method for preparing skin care tea seed oil by separating unsaturated fatty acid from oil tea seed oil |
| CN113652302B (en) * | 2021-09-01 | 2023-11-24 | 安徽山美生物科技有限公司 | Method for preparing skin-care tea seed oil by separating unsaturated fatty acid from tea seed oil |
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Addressee: Beijing Puren Biological Engineering Technology Co., Ltd. Document name: Notification of Publication of the Application for Invention |
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| DD01 | Delivery of document by public notice |
Addressee: Beijing Puren Biological Engineering Technology Co., Ltd. Document name: Notification of before Expiration of Request of Examination as to Substance |
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Addressee: Beijing Puren Biological Engineering Technology Co., Ltd. Document name: Notification that Application Deemed to be Withdrawn |
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Application publication date: 20130501 |