CN105875868A - Technology for improving unsaturated fatty acid content in soybean oil - Google Patents
Technology for improving unsaturated fatty acid content in soybean oil Download PDFInfo
- Publication number
- CN105875868A CN105875868A CN201410809152.6A CN201410809152A CN105875868A CN 105875868 A CN105875868 A CN 105875868A CN 201410809152 A CN201410809152 A CN 201410809152A CN 105875868 A CN105875868 A CN 105875868A
- Authority
- CN
- China
- Prior art keywords
- soybean oil
- fatty acid
- semen sojae
- sojae atricolor
- unsaturated fatty
- 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
- Medicines Containing Plant Substances (AREA)
Abstract
The present invention discloses a technology for improving unsaturated fatty acid content in soybean oil and belongs to the technical field of vegetable oil. Soybean magnetic separation, softening, drying and germ flattening are carried out successively and the obtained soybean broken cloves are extracted by normal hexane to obtain mixture oil. Urea and ethyl alcohol are used to prepare urea polyol solution, then the urea polyol solution and the mixture oil are subjected to inclusion reaction, then the products are cooled to enable the urea inclusion compounds to be separated out, and the products are subjected to suction filtration to obtain crystal substances and filtrate; water is added into the crystal substances to be dissolved, the dissolved substances are extracted using the normal hexane to obtain saturated fatty acids, the filtrate is firstly subjected to reduced pressure recycled ethanol, then the urea is removed with water washing, and then degumming, decoloration and deodorization are carried out to obtain the finished products of soybean oil. The urea polyol solution is used to separate out parts of the saturated fatty acids in the soybean oil, improves the unsaturated fatty acid content in the soybean oil, and thus improves the nutritional value of the soybean oil.
Description
Technical field
The present invention relates to vegetable oil technical field, improve unsaturated lipid in soybean oil it particularly relates to a kind of
The technique of fat acid content.
Background technology
Soybean seed taken from by soybean oil, is the oils and fats that yield is most in the world.The Fatty acid compositions of soybean oil is relatively
Good, it contains abundant linoleic acid, is significantly reduced serum cholesterol content, prevention cardiovascular disease
Effect, possibly together with vitamin E, vitamin D and the abundant lecithin of volume in Semen sojae atricolor, is good for human body
Kang Jun is highly profitable.Linoleic acid is the fatty acid of needed by human, has important physiological function.Child lacks
Linoleic acid, skin becomes dry, and squama thickens, and development growth is slow；Old people lacks linoleic acid, can draw
Play cataract and cardio cerebrovascular affection.It addition, human consumption's absorbance of soybean oil is up to 97%, so greatly
Oleum Glycines is also the excellent edible oil that a kind of nutritive value is the highest.
At present, the processing technique of Semen sojae atricolor mainly has milling process and solvent extraction method, and the technological process of solvent extraction method is: clear
Managing～crush～soften～roll embryo～leaching～evaporation～stripping～crude oil of soybean～refined～soybean oil, solvent extraction method is that employing is molten
Agent oil (No. six light gasoline)) glyceride stock is carried out high temperature extraction after fully soaking, through " six take off "
Technique (i.e. defat, degumming, be dehydrated, decolour, deodorize, deacidification) process, maximum feature is
Oil rate is high, production cost is low, and in leaching process, the residual in edible oil is inevitable.Milling process is by greatly
Bean is the most miscellaneous, broken, softening, soft embryo, steam and fry and squeezing obtains crude oil of soybean, then by refined for crude oil of soybean i.e.
Can.The feature of milling process maximum is to retain the giving off a strong fragrance taste of crude oil, but the well cuts produced is more, and
Oil yield is relatively low.
Either use existing milling process or solvent extraction method produces soybean oil, containing Palmic acid in the soybean oil obtained
7～10%, stearic acid 2～5%, arachidic acid 1～3%, oleic acid 22～30%, linoleic acid 50～60, linoleic acid
2～5%.Wherein, in soya bean fatty acid, satisfied fatty acid accounts for about 15%.Satisfied fatty acid intake is too high is
Causing the main cause that cholesterolemia, triacylglycerol, LDL-C raise, secondary causes arterial lumen narrow,
Form atherosclerosis, increase the risk suffering from coronary heart disease.And unsaturated fatty acid mainly includes single unsaturation
Fatty acid and polyunsaturated fatty acid, they the most all have the biggest benefit to health.Needed by human body must
Need fatty acid, it is simply that polyunsaturated fatty acid, DHA (docosahexenoic acid), EPA (two can be synthesized
Ten carbon 5 alkene acids), AA (arachidonic acid), they have in vivo blood fat reducing, improve blood circulation,
Suppress platelet aggregation, prevent the effect such as atheromatous plaque and thrombosis, cardiovascular and cerebrovascular disease is had
Good prevention effect etc..In the soybean oil produced at present, the content of satisfied fatty acid is higher, is eaten for a long time
Cholesterolemia, triacylglycerol and LDL-C can be caused to raise, bring harm to the health of the mankind.Therefore, suitable
It is significant when improving the content of unsaturated fatty acid in soybean oil.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of quality better, higher the proposing of unsaturated fatty acid content
The technique of unsaturated fatty acid content in high soybean oil.
The present invention solves above-mentioned technical problem by the following technical programs:
A kind of improve the technique of unsaturated fatty acid content in soybean oil, comprise the following steps:
(1) Soybean Pretreatment: by Semen sojae atricolor successively through magnetic separation, soften, be dried and roll embryo, obtain the broken lobe of Semen sojae atricolor；
(2) miscella processed: being leached by broken for Semen sojae atricolor lobe normal hexane, extraction temperature is 55-60 DEG C, extraction time
For 28-35min, obtaining miscella, the mass ratio of the broken lobe of Semen sojae atricolor and normal hexane is 1: 0.5-0.7；
(3) preparation urea alcoholic solution: carbamide and ethanol are mixed by weight for 10-15: 10, by this mixture
Under the conditions of nitrogen charging, heating in water bath makes carbamide all dissolve, and obtains urea alcoholic solution；
(4) inclusion reaction: by urea alcoholic solution and miscella by weight be (2～5): 1 mixes, at 40～60 DEG C
At a temperature of carry out water-bath backflow 60～80min, being then cooled to temperature is 4～8 DEG C, makes urea inclusion crystallize
Separate out, then after filtering, obtain crystal and filtrate；
(5) satisfied fatty acid is prepared: added water by the crystal obtained in step (4) after fully dissolving, then
With the n-hexane extraction of 1～2 times of crystal weight, then concentration and recovery normal hexane, obtain satisfied fatty acid；
(6) refined soybean oil: the filtrate elder generation decompression recycling ethanol that will obtain in step (4), then washes
Removing carbamide, the weight ratio then adjusting water oil is 6～10: 100, and this oil water mixture is warming up to 60～65 DEG C,
It is cooled to room temperature after aquation degumming 8～10min, is subsequently added into activated carbon and is stirred continuously, use steam isolation to add
After heat 30～40min, temperature be 140～150 DEG C, vacuum be 180～190Pa distillation equipment in distill
60～70min carry out deodorize, i.e. obtain soybean oil finished product.
In described step (1), magnetic separation is to join in magnetic separator by Semen sojae atricolor, removes the metal in Semen sojae atricolor, stone
The impurity such as block and dust；Softening be by magnetic separation after Semen sojae atricolor be heated to 80-83 DEG C soften Cortex beans；Be dried be by
After softening, the temperature of Semen sojae atricolor 90-95 DEG C is dried to moisture is 4-6%, and rolling embryo is by dried Semen sojae atricolor
Send in disintegrating machine and be broken into 1/8 lobe.
In described step (3), controlling temperature during heating in water bath is 60～70 DEG C.
Ethanol in described step (3) is dehydrated alcohol.
In described step (5), the weight ratio of crystal and water is 1: (1～3).
Described activated carbon be fineness be 60～120 mesh.
The consumption of described activated carbon is the 2～4% of filtrate weight.
The beneficial effects of the present invention is:
First, the present invention uses activated carbon to adsorb, and can not only effectively absorb the pigment in soybean oil
And toxin, and make high active substance Squalene, vitamin E, plant sterol and the total phenols in Camellia
It is not destroyed, improves monounsaturated fatty acid content in soybean oil, further increase the quality of soybean oil.
Secondly as satisfied fatty acid is linear chain structure, easily formed with hydrogen bonded between urea molecule
Hexahedron frame structure inclusion, and unsaturated fatty acid has certain space structure, is difficult to by urea clathration.
The present invention, by carbamide and ethanol are prepared urea alcoholic solution, carrys out the part in inclusion soybean oil with urea alcoholic solution and satisfies
And fatty acid, and clathrate is separated, thus improve the content of unsaturated fatty acid in soybean oil.
Again, the production cost of the present invention is low, and operating process is easily controlled, it is simple to produce in a large number, production
Soybean oil nutritive value is higher.
Detailed description of the invention
Those skilled in the art understands for convenience, is the present invention further below in conjunction with embodiment
Describe.Embodiment is only the illustration to this invention, is not limitation of the invention, in embodiment not
The step making to illustrate is all prior art, is not described in detail at this.
Embodiment one
A kind of improve the technique of unsaturated fatty acid content in soybean oil, comprise the following steps:
(1) Soybean Pretreatment: Semen sojae atricolor is joined in magnetic separator, remove the metal in Semen sojae atricolor, stone and
The impurity such as dust；Then the Semen sojae atricolor after magnetic separation is heated to 80 DEG C and softens Cortex beans；After softening, Semen sojae atricolor is with 90 DEG C again
Temperature to dry be 4% to moisture, rolling embryo is to be sent in disintegrating machine and be broken into 1/8 by dried Semen sojae atricolor
Lobe, it is thus achieved that the broken lobe of Semen sojae atricolor；
(2) miscella processed: being leached by broken for Semen sojae atricolor lobe normal hexane, extraction temperature is 55 DEG C, and extraction time is
28min, obtains miscella, and the mass ratio of the broken lobe of Semen sojae atricolor and normal hexane is 1: 0.5；
(3) preparation urea alcoholic solution: by carbamide and dehydrated alcohol be by weight 10: 10 mixing, by this mixing
Thing uses 60 DEG C of heating in water bath to make carbamide all dissolve under the conditions of nitrogen charging, obtains urea alcoholic solution；
(4) inclusion reaction: by urea alcoholic solution and miscella be by weight 2: 1 mixing, the temperature of 40 DEG C
Under carry out water-bath backflow 80min, being then cooled to temperature is 4 DEG C, makes urea inclusion crystallization, then warp
Crystal and filtrate is obtained after filtering；
(5) satisfied fatty acid is prepared: the crystal obtained in step (4) adds the water of its weight 1 times
After fully dissolving, then the n-hexane extraction with 1 times of crystal weight, then concentration and recovery normal hexane, obtain
Satisfied fatty acid；
(6) refined soybean oil: the filtrate elder generation decompression recycling ethanol that will obtain in step (4), then washes
Removing carbamide, the weight ratio then adjusting water oil is 6: 100, this oil water mixture is warming up to 60 DEG C, water
Change after degumming 10min and be cooled to room temperature, be subsequently added into activated carbon that fineness is 60 mesh and be stirred continuously, using and steam
After vapour isolation heating 30min, temperature be 140 DEG C, vacuum be 180Pa distillation equipment in distill 70min
Carry out deodorize, i.e. obtain soybean oil finished product.The consumption of described activated carbon is the 2% of filtrate weight.
Embodiment two
A kind of improve the technique of unsaturated fatty acid content in soybean oil, comprise the following steps:
(1) Soybean Pretreatment: Soybean Pretreatment: joined by Semen sojae atricolor in magnetic separator, removes the gold in Semen sojae atricolor
The impurity such as genus, stone and dust；Then the Semen sojae atricolor after magnetic separation is heated to 83 DEG C and softens Cortex beans；Again by soft
After change, Semen sojae atricolor is dried to moisture by the temperature of 95 DEG C is 6%, and rolling embryo is to send into dried Semen sojae atricolor to crush
Machine is broken into 1/8 lobe, it is thus achieved that the broken lobe of Semen sojae atricolor；
(2) miscella processed: being leached by broken for Semen sojae atricolor lobe normal hexane, extraction temperature is 60 DEG C, and extraction time is
28min, obtains miscella, and the mass ratio of the broken lobe of Semen sojae atricolor and normal hexane is 1: 0.7；
(3) preparation urea alcoholic solution: by carbamide and dehydrated alcohol be by weight 15: 10 mixing, by this mixing
Thing uses 70 DEG C of heating in water bath to make carbamide all dissolve under the conditions of nitrogen charging, obtains urea alcoholic solution；
(4) inclusion reaction: by urea alcoholic solution and miscella be by weight 5: 1 mixing, the temperature of 60 DEG C
Under carry out water-bath backflow 60min, being then cooled to temperature is 8 DEG C, makes urea inclusion crystallization, then warp
Crystal and filtrate is obtained after filtering；
(5) satisfied fatty acid is prepared: the crystal obtained in step (4) adds the water of its weight 3 times
After fully dissolving, then the n-hexane extraction with 2 times of crystal weight, then concentration and recovery normal hexane, obtain
Satisfied fatty acid；
(6) refined soybean oil: the filtrate elder generation decompression recycling ethanol that will obtain in step (4), then washes
Removing carbamide, the weight ratio then adjusting water oil is 10: 100, this oil water mixture is warming up to 65 DEG C, water
Change after degumming 8min and be cooled to room temperature, be subsequently added into activated carbon that fineness is 120 mesh and be stirred continuously, using and steam
After vapour isolation heating 40min, temperature be 150 DEG C, vacuum be 190Pa distillation equipment in distill 60min
Carry out deodorize, i.e. obtain soybean oil finished product.The consumption of described activated carbon is the 4% of filtrate weight.
Embodiment three
A kind of improve the technique of unsaturated fatty acid content in soybean oil, comprise the following steps:
(1) Soybean Pretreatment: Soybean Pretreatment: joined by Semen sojae atricolor in magnetic separator, removes the gold in Semen sojae atricolor
The impurity such as genus, stone and dust；Then the Semen sojae atricolor after magnetic separation is heated to 81 DEG C and softens Cortex beans；Again by soft
After change, Semen sojae atricolor is dried to moisture by the temperature of 92 DEG C is 5%, and rolling embryo is to send into dried Semen sojae atricolor to crush
Machine is broken into 1/8 lobe, it is thus achieved that the broken lobe of Semen sojae atricolor；
(2) miscella processed: being leached by broken for Semen sojae atricolor lobe normal hexane, extraction temperature is 58 DEG C, and extraction time is
30min, obtains miscella, and the mass ratio of the broken lobe of Semen sojae atricolor and normal hexane is 1: 0.6；
(3) preparation urea alcoholic solution: by carbamide and dehydrated alcohol be by weight 12: 10 mixing, by this mixing
Thing uses 65 DEG C of heating in water bath to make carbamide all dissolve under the conditions of nitrogen charging, obtains urea alcoholic solution；
(4) inclusion reaction: by urea alcoholic solution and miscella be by weight 4: 1 mixing, the temperature of 50 DEG C
Under carry out water-bath backflow 70min, being then cooled to temperature is 6 DEG C, makes urea inclusion crystallization, then warp
Crystal and filtrate is obtained after filtering；
(5) satisfied fatty acid is prepared: the crystal obtained in step (4) adds the water of its weight 2 times
After fully dissolving, then the n-hexane extraction with 2 times of crystal weight, then concentration and recovery normal hexane, obtain
Satisfied fatty acid；
(6) refined soybean oil: the filtrate elder generation decompression recycling ethanol that will obtain in step (4), then washes
Removing carbamide, the weight ratio then adjusting water oil is 8: 100, this oil water mixture is warming up to 62 DEG C, water
It is cooled to room temperature after changing degumming 9min, is subsequently added into activated carbon and is stirred continuously, use steam isolation heating
After 35min, temperature be 145 DEG C, vacuum be 190Pa distillation equipment in distill 65min and carry out deodorize,
I.e. obtain soybean oil finished product.
The soybean oil producing above-described embodiment detects the content of its satisfied fatty acid and unsaturated fatty acid, inspection
Survey result such as table 1 below:
| Measured object | Oleic acid content (%) | Linoleic acid content (%) | Saturated fatty acid content (%) |
| Embodiment one | 30.3 | 60.4 | 8.8 |
| Embodiment two | 29.1 | 60.3 | 8.6 |
| Embodiment three | 32.8 | 61.7 | 7.9 |
Table 1
By the testing result of table 1 it can be seen that use in the soybean oil that the method for the present invention is produced, the most not
The content of satisfied fatty acid is below 9%, lower 6 percentage points than the soybean oil using prior art to prepare,
And the content of unsaturated fatty acid is up to more than 90%, effectively reduce satisfied fatty acid in soybean oil
Content, improves the content of unsaturated fatty acid.
Claims (7)
1. one kind is improved the technique of unsaturated fatty acid content in soybean oil, it is characterised in that include following step
Rapid:
(1) Soybean Pretreatment: by Semen sojae atricolor successively through magnetic separation, soften, be dried and roll embryo, obtain the broken lobe of Semen sojae atricolor；
(2) miscella processed: being leached by broken for Semen sojae atricolor lobe normal hexane, extraction temperature is 55-60 DEG C, during leaching
Between be 28-35min, obtain miscella, the mass ratio of the broken lobe of Semen sojae atricolor and normal hexane is 1: 0.5-0.7；
(3) preparation urea alcoholic solution: carbamide and ethanol are mixed by weight for 10-15: 10, by this mixing
Thing heating in water bath under the conditions of nitrogen charging makes carbamide all dissolve, and obtains urea alcoholic solution；
(4) inclusion reaction: by urea alcoholic solution and miscella by weight be (2～5): 1 mixes, at 40～60 DEG C
At a temperature of carry out water-bath backflow 60～80min, being then cooled to temperature is 4～8 DEG C, makes urea inclusion tie
Partial crystallization goes out, then obtains crystal and filtrate after filtering；
(5) satisfied fatty acid is prepared: added water by the crystal obtained in step (4) after fully dissolving, then
With the n-hexane extraction of 1～2 times of crystal weight, then concentration and recovery normal hexane, obtain satisfied fatty acid；
(6) refined soybean oil: the filtrate elder generation decompression recycling ethanol that will obtain in step (4), then washes
Removing carbamide, the weight ratio then adjusting water oil is 6～10: 100, and this oil water mixture is warming up to 60～65 DEG C,
It is cooled to room temperature after aquation degumming 8～10min, is subsequently added into activated carbon and is stirred continuously, use steam isolation
After heating 30～40min, temperature be 140～150 DEG C, vacuum be 180～190Pa distillation equipment in steam
Evaporate 60～70min and carry out deodorize, i.e. obtain soybean oil finished product.
2. the technique of unsaturated fatty acid content in raising soybean oil as claimed in claim 1, its feature exists
In, in described step (1), magnetic separation is to join in magnetic separator by Semen sojae atricolor, removes the metal in Semen sojae atricolor, stone
The impurity such as block and dust；Softening be by magnetic separation after Semen sojae atricolor be heated to 80-83 DEG C soften Cortex beans；Be dried be by
After softening, the temperature of Semen sojae atricolor 90-95 DEG C is dried to moisture is 4-6%, and rolling embryo is by dried Semen sojae atricolor
Send in disintegrating machine and be broken into 1/8 lobe.
3. the technique of unsaturated fatty acid content in raising soybean oil as claimed in claim 1, its feature exists
In, in described step (3), controlling temperature during heating in water bath is 60～70 DEG C.
4. the technique of unsaturated fatty acid content in raising soybean oil as claimed in claim 1, its feature exists
In, the ethanol in described step (3) is dehydrated alcohol.
5. the technique of unsaturated fatty acid content in raising soybean oil as claimed in claim 1, its feature exists
In, in described step (5), the weight ratio of crystal and water is 1: (1～3).
6. the technique of unsaturated fatty acid content in raising soybean oil as claimed in claim 1, its feature exists
In, described activated carbon be fineness be 60～120 mesh.
7. the technique of unsaturated fatty acid content in the raising soybean oil as described in claim 1 or 8, it is special
Levying and be, the consumption of described activated carbon is the 2～4% of filtrate weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410809152.6A CN105875868A (en) | 2014-12-19 | 2014-12-19 | Technology for improving unsaturated fatty acid content in soybean oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410809152.6A CN105875868A (en) | 2014-12-19 | 2014-12-19 | Technology for improving unsaturated fatty acid content in soybean oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105875868A true CN105875868A (en) | 2016-08-24 |
Family
ID=56700518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410809152.6A Pending CN105875868A (en) | 2014-12-19 | 2014-12-19 | Technology for improving unsaturated fatty acid content in soybean oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105875868A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101530142A (en) * | 2009-04-28 | 2009-09-16 | 哈尔滨市丰源实业有限公司 | Method for producing soybean oil rich in high unsaturated fatty acid (HUFA) |
| CN101805670A (en) * | 2010-04-09 | 2010-08-18 | 上海中器环保科技有限公司 | Preparation method of microbial diesel |
| CN102952623A (en) * | 2012-11-02 | 2013-03-06 | 东北农业大学 | Method for extracting soybean oil and soybean meal by using vacuum extrusion puffing pretreatment solvent method |
-
2014
- 2014-12-19 CN CN201410809152.6A patent/CN105875868A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101530142A (en) * | 2009-04-28 | 2009-09-16 | 哈尔滨市丰源实业有限公司 | Method for producing soybean oil rich in high unsaturated fatty acid (HUFA) |
| CN101805670A (en) * | 2010-04-09 | 2010-08-18 | 上海中器环保科技有限公司 | Preparation method of microbial diesel |
| CN102952623A (en) * | 2012-11-02 | 2013-03-06 | 东北农业大学 | Method for extracting soybean oil and soybean meal by using vacuum extrusion puffing pretreatment solvent method |
Non-Patent Citations (2)
| Title |
|---|
| 宋鹏 等: "混合溶剂在大豆油浸出法中应用的研究", 《食品工业》 * |
| 王连铮: "《大豆研究50年》", 30 September 2010, 中国农业科学技术出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103859067B (en) | A kind of nutrition Rice oil and production method thereof | |
| CN101305974B (en) | Camellia oil preparation method for cosmetics | |
| CN104277906A (en) | Refining process for cold-pressed camellia oil at low temperature | |
| CN102533429B (en) | Production method of natural tea seed oil free of refining | |
| CN106010779B (en) | Production method of camellia seed oil with high natural sterol content in plants | |
| CN106221895B (en) | A kind of preparation method of high-quality edible camellia oil | |
| CN101940242B (en) | Grease composition of infant formula food | |
| CN102851112A (en) | Preparation method for selenium-rich peony seed essential oil | |
| CN101602978A (en) | Linseed kernel oil and production method thereof | |
| CN106665890A (en) | Preparation method of walnut oil | |
| CN106675763A (en) | Process for preparing maize germ oil in proper processing manner | |
| CN103431073B (en) | Method for extracting peony oil from peony seeds | |
| CN107509821A (en) | A kind of mother and baby's edible oil and preparation method thereof | |
| CN102533436A (en) | Method for processing health-care camellia oil | |
| CN101519626A (en) | Process for extracting Alpha-linolenic acid from silkworm pupa crude oil | |
| JP2506059B2 (en) | Crude vegetable oil production method | |
| CN105087156A (en) | Refining processing process for sunflower seed oil | |
| CN105886099A (en) | Processing technology for high-quality soybean oil | |
| CN101787328A (en) | Extraction method of Salicorne seed oil | |
| CN107287021A (en) | A kind of production technology of siritch | |
| CN106318614A (en) | Method for preparing oil by cold pressing of grape seeds | |
| CN110305732A (en) | A kind of method of cold pressing edible oil | |
| CN104893821A (en) | Ultrasonic extraction process for soybean oil | |
| CN105695079A (en) | Method for preparing high-quality rapeseed blend oil | |
| CN105875868A (en) | Technology for improving unsaturated fatty acid content in soybean oil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160824 |