CN105238547A - Method for effectively extracting linseed oil - Google Patents
Method for effectively extracting linseed oil Download PDFInfo
- Publication number
- CN105238547A CN105238547A CN201510670915.8A CN201510670915A CN105238547A CN 105238547 A CN105238547 A CN 105238547A CN 201510670915 A CN201510670915 A CN 201510670915A CN 105238547 A CN105238547 A CN 105238547A
- Authority
- CN
- China
- Prior art keywords
- linseed oil
- oil
- flaxseed
- centrifugal
- drying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Fats And Perfumes (AREA)
Abstract
The invention discloses a method for effectively extracting linseed oil, which prepares linseed oil by drying, smashing, extracting, centrifuging and separating linseeds. The oil yield of the linseed which is prepared through the method for effectively extracting the linseed oil is 45%, the content of linolenic acid in the linseed oil is 75.69%, the two indexes are higher than a traditional extraction method, the method for effectively extracting the linseed oil does not use any harmful chemical reagents, is green and environmentally friendly, and completes the whole extraction process in lower temperature, thereby effectively preventing the linseed oil from being oxidized and going bad in high temperature, improving quality of the linseed oil, improving sensory index, and prolonging shelf life of the linseed oil. The method for effectively extracting the linseed oil is simple in process and convenient to operate, and is suitable for industrialized continuous production.
Description
Technical field
The present invention relates to the extracting method of a vegetable oil, be specifically related to a kind of method of high efficiency extraction linseed oil.
Background technology
Flaxseed has another name called linseed oil, and flaxseed is nutritious, and oil length is 36.0% ~ 45.0%, is the oil crops of Longdong area special product.Linseed oil unique flavor, fragrance is strong, and unsaturated fatty acid content is about 73%, and wherein linolenic acid is about 50%, is one of edible vegetable oil that alpha-linolenic acid content is the highest.The materials such as the alpha-linolenic acid be rich in linseed oil, lignan have certain health-care effect for prevention hyperlipidemia, hypertension and cardio-cerebrovascular diseases, be rich in flax gum, flax albumen etc. in flaxseed simultaneously, thickening, stable effect can be played in food processing process.The linseed oil adopting traditional plant oil producing method to produce, controls effectively because the parameters such as each workshop section temperature, alkali refining concentration do not obtain science, thus linolenic acid content in linseed oil is reduced, and have impact on product quality.Along with science and technology is constantly brought forth new ideas, linseed oil is extracted in prior art and common are ultrasonic extraction, supercritical extraction, milling process and organic solvent extraction etc.Milling process productive rate is low, consumes energy high and grease impurity is more.Organic solvent method usual extraction time is grown and needs the organic solvent of at substantial simultaneously, and as everyone knows, a large amount of chemical reagent more or less can remain and work the mischief to HUMAN HEALTH in vivo.Supercritical extraction, cost is high, apparatus expensive, considerably increases production cost.And the aqueous enzymatic method of patent as mentioned in CN1935962A to there is extraction yield low, the defect that extraction time is long.
Summary of the invention
The object of the invention is to avoid the deficiencies in the prior art, a kind of method of high efficiency extraction linseed oil is provided.
For achieving the above object, the technical scheme that the present invention takes is: a kind of method of side of high efficiency extraction linseed oil, and it is characterized in that, concrete steps are as follows:
(1) flaxseed is drying: clean full, free from insect pests, without the flaxseed gone mouldy.Be placed in baking oven and toast 10 ~ 15h under 40 ~ 60 DEG C of conditions;
(2) pulverize and sieve: being pulverized by drying flaxseed, product crosses 40 mesh sieves;
(3) flooding: take the flaxseed powder after sieving, adds 1.5 ~ 2.0 times of weightmeasurement ratios and temperature is the clear water of 30 ~ 40 DEG C, and the sodium bicarbonate of rear 0.5mol/L regulates ph to be 7.5, be placed in 50 DEG C of waters bath with thermostatic control again, lixiviate 3.0 ~ 4.0h, every 15 ~ 20min, stirs once;
(4) centrifugal: by step (3) in the material of gained under 4000r/min condition, centrifugal 15min, obtains oil-water mixture;
(5) be separated: by centrifugal gained oil-water mixture, leave standstill 20min, separatory process, discards clear water, obtains linseed oil.
Compared with prior art, advantage of the present invention is:
1, compared with traditional solvent extraction method, reduce the harm of dissolvent residual to HUMAN HEALTH, environmental protection, and substantially reduce extraction time.At whole leaching process, carry out all at a lower temperature, efficiently avoid linseed oil deterioration by oxidation under the high temperature conditions, improve the quality of linseed oil, and improve the Oranoleptic indicator of product, extend the shelf-lives of linseed oil.
2, extraction efficiency is high, has both decreased the residual of grease in the dregs of fat, has again saved oil resource, reduce production cost.
3, method is simple, easy to operate, is suitable for industrialization continuous seepage.
4, through the extracting method of linseed oil of the present invention, linseed oil yield is up to 45%, and in oil product, linolenic acid content is up to 75.69%, and two indexs all improve nearly 15% than traditional extraction process.
Embodiment
Embodiment 1
A method for the side of high efficiency extraction linseed oil, concrete steps are as follows:
(1) flaxseed is drying: clean that 1.0kg is full, free from insect pests, without the flaxseed gone mouldy.Be placed in baking oven and toast 10h under 45 DEG C of conditions;
(2) pulverize and sieve: being pulverized by drying flaxseed, product crosses 40 mesh sieves;
(3) flooding: by the flaxseed powder after sieving, add weight and be 1.5kg and temperature is the clear water of 30 DEG C, the sodium bicarbonate of rear 0.5mol/L regulates ph to be 7.5, then is placed in 50 DEG C of waters bath with thermostatic control, lixiviate 3.0h, every 15min, stirs once;
(4) centrifugal: by step (3) in the material of gained under 4000r/min condition, centrifugal 15min, obtains oil-water mixture;
(5) be separated: by centrifugal gained oil-water mixture, leave standstill 20min, separatory process, discards clear water, obtains linseed oil.
Through the extracting method described in the embodiment of the present invention 1, linseed oil yield is 40%, and in oil product, linolenic acid content is up to 71.23%
Test example 1
The physical and chemical index of linseed oil measures
Smell, flavour: measure with reference to GB/T5525-2008 method; Moisture and volatile matter content: measure with reference to GB/T5528-2008 method; Acid number: measure with reference to GB/T5530-2008 method.
The linseed oil obtained is extracted to the method described in the embodiment of the present invention 1 and carries out physical and chemical index mensuration, and compare with corresponding linseed oil national standard, the results are shown in Table 1
Table 1
Embodiment 2
A method for the side of high efficiency extraction linseed oil, concrete steps are as follows:
(1) flaxseed is drying: clean that 5.5kg is full, free from insect pests, without the flaxseed gone mouldy.Be placed in baking oven and toast 13h under 50 DEG C of conditions;
(2) pulverize and sieve: being pulverized by drying flaxseed, product crosses 40 mesh sieves;
(3) flooding: by the flaxseed powder after sieving, add weight and be 11.0kg and temperature is the clear water of 35 DEG C, the sodium bicarbonate of rear 0.5mol/L regulates ph to be 7.5, then is placed in 50 DEG C of waters bath with thermostatic control, lixiviate 4.0h, every 20min, stirs once;
(4) centrifugal: by step (3) in the material of gained under 4000r/min condition, centrifugal 15min, obtains oil-water mixture;
(5) be separated: by centrifugal gained oil-water mixture, leave standstill 20min, separatory process, discards clear water, obtains linseed oil.
Through the extracting method described in the embodiment of the present invention 2, linseed oil yield is 39%, and in oil product, linolenic acid content is up to 72.35%, moisture and volatile matter content 0.03%, and acid number (KOH)/(mg/g) is 0.38
Embodiment 3
A method for the side of high efficiency extraction linseed oil, is characterized in that, concrete steps are as follows:
(1) flaxseed is drying: clean that 10.0kg is full, free from insect pests, without the flaxseed gone mouldy.Be placed in baking oven and toast 15h under 60 DEG C of conditions;
(2) pulverize and sieve: being pulverized by drying flaxseed, product crosses 40 mesh sieves;
(3) flooding: by the flaxseed powder after sieving, add weight and be 20.0kg and temperature is the clear water of 40 DEG C, the sodium bicarbonate of rear 0.5mol/L regulates ph to be 7.5, then is placed in 50 DEG C of waters bath with thermostatic control, lixiviate 3.0 ~ 4.0h, every 15 ~ 20min, stirs once;
(4) centrifugal: by step (3) in the material of gained under 4000r/min condition, centrifugal 15min, obtains oil-water mixture;
(5) be separated: by centrifugal gained oil-water mixture, leave standstill 20min, separatory process, discards clear water, obtains linseed oil.
Through the extracting method described in the embodiment of the present invention 3, linseed oil yield is 42.15%, and in oil product, linolenic acid content is up to 75.64%, moisture and volatile matter content 0.01%, and acid number (KOH)/(mg/g) is 0.42
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (1)
1. a method for high efficiency extraction linseed oil, is characterized in that: concrete steps are as follows:
(1) flaxseed is drying: clean full, free from insect pests, without the flaxseed gone mouldy, be placed in baking oven and toast 10 ~ 15h under 40 ~ 60 DEG C of conditions;
(2) pulverize and sieve: being pulverized by drying flaxseed, product crosses 40 mesh sieves;
(3) flooding: take the flaxseed powder after sieving, adds 1.5 ~ 2.0 times of weightmeasurement ratios and temperature is 30 ~ 40 DEG C of clear water, and the sodium bicarbonate of rear 0.5mol/L regulates pH to be 7.5, be placed in 50 DEG C of waters bath with thermostatic control again, lixiviate 3.0 ~ 4.0h, every 15 ~ 20min, stirs once;
(4) centrifugal: by step (3) in the material of gained under 4000r/min condition, centrifugal 15min, obtains oil-water mixture;
(5) be separated: by centrifugal gained oil-water mixture, leave standstill 20 ~ 30min, separatory process, discards clear water, obtains linseed oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510670915.8A CN105238547A (en) | 2015-10-13 | 2015-10-13 | Method for effectively extracting linseed oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510670915.8A CN105238547A (en) | 2015-10-13 | 2015-10-13 | Method for effectively extracting linseed oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105238547A true CN105238547A (en) | 2016-01-13 |
Family
ID=55036372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510670915.8A Pending CN105238547A (en) | 2015-10-13 | 2015-10-13 | Method for effectively extracting linseed oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105238547A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108271630A (en) * | 2018-01-18 | 2018-07-13 | 山西省农业科学院高寒区作物研究所 | A kind of preparation method of selenium-rich flax implantation methods and its selenium-rich flax powder |
-
2015
- 2015-10-13 CN CN201510670915.8A patent/CN105238547A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108271630A (en) * | 2018-01-18 | 2018-07-13 | 山西省农业科学院高寒区作物研究所 | A kind of preparation method of selenium-rich flax implantation methods and its selenium-rich flax powder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103013650B (en) | Process for preparing sesame oil | |
| CN102766524B (en) | Method for squeezing edible tea seed oil at normal temperature | |
| CN104177507A (en) | Preparation method of garlic polysaccharide | |
| CN107858197A (en) | A kind of production and processing method of low acid value high-quality edible oil tea-seed oil | |
| CN103981021A (en) | Method for refining krill oil from Antarctic krill powder | |
| CN103382411A (en) | Production process for low-temperature pressed compound rapeseed oil | |
| CN103897020A (en) | Method for extracting plukenetia volubilis seed protein | |
| CN103749742A (en) | Production method of zanthoxylum oil | |
| CN106147998B (en) | A kind of cold press production method of linseed oil | |
| CN103525542B (en) | Method for extracting shiny-leaved yellowhorn grease containing nervonic acid from shiny-leaved yellowhorn | |
| CN109233998A (en) | A kind of extraction process of Zanthoxylum essential oil | |
| CN104726197B (en) | The method of extracting cigarette seed oil is discarded in cigarette seed using homogenate extraction technology from Turkish tobaccos | |
| CN102492542A (en) | Rapid extraction method of cyperus bean oil | |
| CN106590915A (en) | Processing method of camellia oil | |
| CN105238547A (en) | Method for effectively extracting linseed oil | |
| CN103382412B (en) | Preparation process for low-temperature cold-pressed carotene-rich peanut oil | |
| CN105623839B (en) | A method of extracting Silybum Marianum Gaertn Seed Oil | |
| CN107287026A (en) | A kind of peony seed oil depickling extracting method | |
| CN107459547B (en) | Method for coproducing and separating various bioactive substances in egg yolk | |
| CN102766525B (en) | Method for squeezing tea seed oil at normal temperature | |
| CN102766527B (en) | Method for squeezing and refining tea seed oil at low temperature | |
| CN103289809B (en) | Method for preparing walnut seed kernel oil by adopting brine enzymatic method | |
| CN102827697A (en) | Pu-erh tea essential oil and preparation method thereof | |
| CN102599265B (en) | Vitex flower seed oil and production method thereof | |
| CN103829123A (en) | Method for producing hypoglycemic hypolipemic product by using tartary buckwheat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160113 |
|
| WD01 | Invention patent application deemed withdrawn after publication |