CN110684590B - Method for extracting plant seed oil by using water - Google Patents
Method for extracting plant seed oil by using water Download PDFInfo
- Publication number
- CN110684590B CN110684590B CN201910956760.2A CN201910956760A CN110684590B CN 110684590 B CN110684590 B CN 110684590B CN 201910956760 A CN201910956760 A CN 201910956760A CN 110684590 B CN110684590 B CN 110684590B
- Authority
- CN
- China
- Prior art keywords
- oil
- water
- powder
- seed
- mixture
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 235000015112 vegetable and seed oil Nutrition 0.000 title claims abstract description 25
- 235000019198 oils Nutrition 0.000 claims abstract description 85
- 239000002002 slurry Substances 0.000 claims abstract description 24
- 238000000926 separation method Methods 0.000 claims abstract description 22
- 239000000843 powder Substances 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 239000000126 substance Substances 0.000 claims abstract description 9
- 239000007787 solid Substances 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims abstract description 6
- 238000000227 grinding Methods 0.000 claims abstract description 4
- 238000005238 degreasing Methods 0.000 claims abstract description 3
- 239000012752 auxiliary agent Substances 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 239000012153 distilled water Substances 0.000 claims description 3
- 239000008399 tap water Substances 0.000 claims description 3
- 235000020679 tap water Nutrition 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000007873 sieving Methods 0.000 claims description 2
- 235000012054 meals Nutrition 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 abstract description 8
- 238000002386 leaching Methods 0.000 abstract description 7
- 239000012266 salt solution Substances 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 abstract description 3
- 150000003839 salts Chemical class 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 62
- 239000002253 acid Substances 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 5
- 238000000605 extraction Methods 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 150000002978 peroxides Chemical class 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 238000003809 water extraction Methods 0.000 description 3
- 241000723418 Carya Species 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000008158 vegetable oil Substances 0.000 description 2
- 235000019489 Almond oil Nutrition 0.000 description 1
- 244000144725 Amygdalus communis Species 0.000 description 1
- 235000011437 Amygdalus communis Nutrition 0.000 description 1
- 240000002791 Brassica napus Species 0.000 description 1
- 235000004977 Brassica sinapistrum Nutrition 0.000 description 1
- 235000019484 Rapeseed oil Nutrition 0.000 description 1
- 235000020224 almond Nutrition 0.000 description 1
- 239000008168 almond oil Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007071 enzymatic hydrolysis Effects 0.000 description 1
- 238000006047 enzymatic hydrolysis reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/02—Pretreatment
- C11B1/04—Pretreatment of vegetable raw material
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/10—Production of fats or fatty oils from raw materials by extracting
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/74—Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Fats And Perfumes (AREA)
Abstract
The invention discloses a method for extracting plant seed oil by using water, which comprises the following steps: step one, grinding the oil seeds into oil seed slurry or powder; adding water into the oil seed slurry or powder, wherein the mass ratio of the water to the oil seed slurry or powder is 0.06-0.9:1, and fully stirring to obtain a mixture, wherein the mixture is a water-containing solid matter of a cohesive mass and free-flowing oil; and thirdly, separating the mixture by a mechanical separation method to obtain water-containing degreasing solid and oil respectively. The invention has the advantages that the oil yield of the oil seeds and the quality of the finished oil are superior to those of the cold pressing method and the pre-pressing-leaching method which are used in industry at present, which are equivalent to the improved water agent method which adopts salt solution as oil-water separating agent and is developed by the inventor in advance, meanwhile, other chemical substances are not mixed in the oil residues and the seed oil, no waste is generated, and the aim of fully utilizing the oil seeds is fulfilled; because no salt is used, the cost is lower and the environmental friendliness is higher than that of the earlier improved water aqua method.
Description
Technical Field
The invention belongs to the technical field of vegetable oil extraction and processing, and particularly relates to a method for extracting vegetable seed oil by using water.
Background
There are two common methods for extracting mature vegetable oil seeds: firstly, squeezing to squeeze out the grease from the oilseeds by mechanical force; secondly, the pre-squeezing-leaching method is that after mechanical pre-squeezing, the squeezed cake is leached by an organic solvent, the leached dreg residual oil is generally about 1 percent, and the technology is the most mature industrial production method of the grease at home and abroad at present. The traditional water aqua method adopts a large proportion of aqueous solution (the liquid-solid ratio is generally greater than 2:1), but the traditional water aqua method cannot be subjected to breakthrough progress and cannot realize industrial application. In recent years, most researches focus on how to apply enzymatic hydrolysis to improve the processing technical efficiency of an aqueous solution method, but no solution which can be industrially applied is found at present.
In response to the shortcomings of the above methods, the inventors disclosed in the prior application No. CN201710545942.1 an "improved aqueous process for extracting seed oil from oilseeds", which employs aqueous NaCl solution or Na 2 CO 3 The aqueous solution of the salt solution is used as an oil-water separating agent, the mass ratio of the oil-water separating agent to the oil seed slurry is 0.05-1:1, and the oil-water separating agent is far smaller than the water consumption in the traditional aqueous solution method, and the aqueous solution method has a good oil extraction effect. On the basis, the applicant continues to research and found that a small amount of water is used to replace saltThe solution is used as an auxiliary agent, and the extraction of oil in the oil seeds can also be realized.
Disclosure of Invention
In view of the above, the present invention provides a method for extracting plant seed oil with water, which can further reduce the cost and improve the environmental friendliness compared with the method using a salt solution as an oil-water separating agent.
The technical scheme is as follows:
the method for extracting the plant seed oil by using water is characterized by comprising the following steps of:
step one, grinding the oil seeds into oil seed slurry or powder;
adding an aqueous separation aid into the oil seed slurry or powder, and fully stirring to obtain a mixture, wherein the mixture is a solid matter which is agglomerated and contains the aqueous separation aid and free-flowing oil;
separating the mixture by a mechanical separation method to respectively obtain a degreasing solid containing the aqueous separation auxiliary agent and an oil phase;
in the second step, the aqueous separation auxiliary agent is one or more of deionized water, distilled water or tap water;
the mass ratio of the aqueous separation auxiliary agent to the oil seed slurry or powder is 0.06-0.9:1.
In a preferred embodiment, in the third step, the mechanical separation method is either centrifugal separation, extrusion separation, or a combination of both methods.
As a preferred technical scheme, the first step specifically comprises: the oil seeds are dehulled and separated to provide oil seed kernels and hulls, or without dehulling, and then the oil seed kernels or without dehulling oil seeds are ground into the oil seed slurry or powder.
As a preferred technical scheme, the first step specifically comprises: baking the oil seeds at 70-190 ℃ for 0-180 minutes, cooling to normal temperature, and grinding the peeled or unpeeled oil seeds into the oil seed slurry or powder.
As a preferred technical scheme, the particles in the oil seed slurry or powder are directly used in the second step without sieving.
As a preferable technical scheme, the oil seed slurry or the oil seed powder is subjected to the step two after passing through a 10-600 mesh screen.
As a preferred technical scheme, the second step specifically comprises: adding the aqueous separation aid to the oil seed slurry or powder, and stirring thoroughly at 0-90deg.C until hydrophilic substances are sufficiently water-absorbing to coagulate, and oily substances aggregate to form continuous oil phase.
As a preferable technical scheme, in the step three, the centrifugal rotation speed of the centrifugal separation is 500-50,000 revolutions per minute.
Description of the embodiments
The invention is further illustrated by the following examples.
A method for extracting plant seed oil by using water comprises the following steps:
step one, extruding the oil seeds or the oil seed kernels into oil seed slurry by a twin-roll extruder, wherein the oil seeds can be directly extruded, baked at a certain temperature for a period of time to be cooled and then extruded, baked at a certain temperature for a period of time to be cooled and peeled, and then extruded, or peeled to obtain the oil seed kernels, baked at a certain temperature for a period of time and then cooled and then extruded. The particles in the oil seed slurry are not sieved or the particles are sieved by a 10-600 mesh screen. Wherein, the more even and finer the particles, the more favorable the improvement of the oil yield.
And step two, respectively taking a certain amount of water and oil seed slurry, mixing the water and the oil seed slurry, and stirring the mixture fully until hydrophilic substances are observed to absorb water sufficiently to agglomerate and oily substances aggregate to form a continuous oil phase. Wherein, the water added into the oil seed slurry can be distilled water or deionized water, and can also be clean tap water meeting the food processing requirements.
And thirdly, centrifuging for a period of time by using a decanter centrifuge at a certain rotating speed, and then separating the mixture into hydrophilic substances and oil containing water once by using a screw extruder.
Table 1 shows the seed oil extraction process parameters for several typical oilseed fruits of examples 1-6. Through detection, the acid values of the obtained almond oil, the hickory oil and the rapeseed oil all reach the national first-grade oil standard, and the oil recovery rates of all groups of examples have certain difference, wherein the recovery rates of examples 1, 3 and 5 are more than 92 percent.
The same sample of the almond, the hickory and the rapeseed is selected, the prior mature cold pressing method and pre-pressing-leaching method are utilized to process the oilseeds to extract the seed oil, and indexes such as oil yield, seed oil acid value, peroxide value and the like are compared with the seed oil obtained by the water extraction method. It can be seen that the oil yield of the three oilseeds is generally lower than that of the pre-press-leach process, but higher than that of the cold press process. However, since the product oil (neutral oil) obtained by the pre-press-leaching method contains a large amount of solvent, and the product oil can reach the edible standard after further refining, the refining loss rate of the neutral oil in the process is about 5.4%, and thus the actual (refined oil) yield of the product oil obtained by the pre-press-leaching method is smaller than the data in table 1.
As shown in table 2, comparing the acid value and peroxide value of the seed oil, the water extraction method was superior to the pre-press-leaching method and the cold press method. The finished oil processed by adopting the water extraction method has high oil yield, and the acid value and peroxide value of the oil meet the national first-grade oil standard, and can be eaten without refining.
Table 1 technological parameters of seed oil extraction process
Table 2 index comparison of seed oil products obtained by several processing methods
The beneficial effects are that: compared with the prior art, the invention provides a method for extracting the seed oil from the oil seeds by using water (without adding any other chemical reagent), adopts a small amount of water to be mixed with the oil seed slurry or powder to extract the seed oil, overcomes the technical bias of the technicians in the field, and has high oil yield; the quality of the finished oil is high, and the acid value and the peroxide value of the finished oil can reach or even exceed the national first-grade oil standard, and the finished oil can be eaten without refining. The oil yield and the quality of the finished oil are superior to those of the cold pressing method and the pre-pressing-leaching method which are used in industry at present and are equivalent to the improved water agent method which adopts salt solution as oil-water separating agent and is developed by the inventor in advance; meanwhile, other chemical substances are not mixed in the oil residues and the seed oil, no waste is generated, and the aim of fully utilizing the oil seeds is fulfilled; because no salt is used, the cost is lower and the environmental friendliness is higher than that of the earlier improved water aqua method.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and that many similar changes can be made by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (4)
1. A method for extracting plant seed oil with water, characterized by comprising the following steps:
step one, baking the oil seeds for 1 to 8 minutes at the temperature of between 70 and 115 ℃, cooling the oil seeds to normal temperature, and grinding the peeled or un-peeled oil seeds into oil seed slurry or powder;
adding an aqueous separation aid into the oil seed slurry or powder, and fully stirring to obtain a mixture, wherein the mixture is a solid matter which is agglomerated and contains the aqueous separation aid and free-flowing oil;
separating the mixture by a mechanical separation method to respectively obtain a degreasing solid containing the aqueous separation auxiliary agent and an oil phase;
in the second step, the aqueous separation auxiliary agent is one or more of deionized water, distilled water or tap water;
the second step is specifically as follows: adding the aqueous separation aid to the oil seed slurry or powder, and stirring thoroughly at 0-60 ℃ until hydrophilic substances absorb water sufficiently to coagulate, and oily substances aggregate to form a continuous oil phase;
the mass ratio of the aqueous separation auxiliary agent to the oil seed slurry or powder is 0.06-0.3:1.
2. The method for extracting plant seed oil with water according to claim 1, wherein: in the third step, the mechanical separation method is either 4500-50000 rpm centrifugal separation for 8-30 min or 90-180 min, or extrusion separation, or a combination of the two methods.
3. The method for extracting plant seed oil with water according to claim 1, wherein: the oil seed slurry or meal is used directly in the second step without sieving.
4. The method for extracting plant seed oil with water according to claim 1, wherein: and (3) after the oil seed slurry or powder passes through a 10-600 mesh screen, carrying out the second step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910956760.2A CN110684590B (en) | 2019-10-10 | 2019-10-10 | Method for extracting plant seed oil by using water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910956760.2A CN110684590B (en) | 2019-10-10 | 2019-10-10 | Method for extracting plant seed oil by using water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110684590A CN110684590A (en) | 2020-01-14 |
| CN110684590B true CN110684590B (en) | 2023-09-05 |
Family
ID=69112051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910956760.2A Active CN110684590B (en) | 2019-10-10 | 2019-10-10 | Method for extracting plant seed oil by using water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110684590B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1854274A (en) * | 2005-04-26 | 2006-11-01 | 中国科学院沈阳应用生态研究所 | Extraction of aqueous solvent from hickory nut oil |
| CN101775334A (en) * | 2010-03-01 | 2010-07-14 | 郑小非 | Method for extracting tea seed oil by using water |
| CN102433217A (en) * | 2011-10-25 | 2012-05-02 | 江西省粮油科学技术研究所 | Method for extracting edible cornus wilsoniana seed oil from fresh cornus wilsoniana seed fruits at low temperature |
| CN104450164A (en) * | 2014-08-26 | 2015-03-25 | 贵州禾睦福生态农业科技发展有限公司 | Method for preparing oil from high-quality rapeseeds with high content of oil under low-temperature and low-moisture conditions |
| CN105602714A (en) * | 2016-04-01 | 2016-05-25 | 四川农业大学 | Method for extracting xanthoceras sorbifolia bunge oil by aqueous method |
| CN109762651A (en) * | 2019-02-19 | 2019-05-17 | 中国林业科学研究院亚热带林业研究所 | A kind of efficient preparation process of high-quality pecan oil |
-
2019
- 2019-10-10 CN CN201910956760.2A patent/CN110684590B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1854274A (en) * | 2005-04-26 | 2006-11-01 | 中国科学院沈阳应用生态研究所 | Extraction of aqueous solvent from hickory nut oil |
| CN101775334A (en) * | 2010-03-01 | 2010-07-14 | 郑小非 | Method for extracting tea seed oil by using water |
| CN102433217A (en) * | 2011-10-25 | 2012-05-02 | 江西省粮油科学技术研究所 | Method for extracting edible cornus wilsoniana seed oil from fresh cornus wilsoniana seed fruits at low temperature |
| CN104450164A (en) * | 2014-08-26 | 2015-03-25 | 贵州禾睦福生态农业科技发展有限公司 | Method for preparing oil from high-quality rapeseeds with high content of oil under low-temperature and low-moisture conditions |
| CN105602714A (en) * | 2016-04-01 | 2016-05-25 | 四川农业大学 | Method for extracting xanthoceras sorbifolia bunge oil by aqueous method |
| CN109762651A (en) * | 2019-02-19 | 2019-05-17 | 中国林业科学研究院亚热带林业研究所 | A kind of efficient preparation process of high-quality pecan oil |
Non-Patent Citations (1)
| Title |
|---|
| 水剂法提取小核桃仁油的工艺研究;马云辉，等;《食品工业》(第01期);第13-15页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110684590A (en) | 2020-01-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1840623A (en) | Low temperature oil preparation and protein in oil-bearing materials preparation method | |
| Arișanu | Mechanical continuous oil expression from oilseeds: oil yield and press capacity | |
| CN101892123A (en) | Ultrasonic-assisted extraction method for tung oil | |
| JP2020532983A (en) | Methods for Obtaining Protein Preparations from Sunflower and / or Oilseed Oil Seeds and Protein Preparations | |
| CN109762651A (en) | A kind of efficient preparation process of high-quality pecan oil | |
| CN112679556B (en) | Production process of high-purity tea saponin | |
| CN110684590B (en) | Method for extracting plant seed oil by using water | |
| CN107904007A (en) | A kind of production technology of walnut oil of environmental protection low-residual | |
| CN101812368A (en) | Method for preparing ecological total nutrient oil from rapeseeds | |
| CN116144420B (en) | Production process of cold-pressed sesame oil | |
| CN108865417B (en) | Extraction process of cornus wisoniana oil | |
| CN111440658A (en) | Peanut meal butane extraction process | |
| CN107011411B (en) | Cottonseed protein production method capable of extracting multiple byproducts | |
| CN107094985B (en) | Production method for co-producing peanut protein concentrate and byproducts by using peanut meal | |
| CN101220314A (en) | Method for joint production of edible rice bran oil and rice bran protein | |
| CN109852469A (en) | A kind of preparation method of coconut nutrition peanut oil | |
| CN106318615B (en) | Method for extracting vegetable oil by first presoaking, then squeezing, cooling and desolventizing | |
| CN107586608A (en) | A kind of method of vegetable oil degumming | |
| CN108130193B (en) | Method for improving extraction rate of oil from euphausia superba | |
| CN115926882B (en) | Edible plant oil squeezing method | |
| CN110804488A (en) | Processing method of selenium-rich rapeseed oil and product thereof | |
| CN108004028A (en) | The method for extracting grease again using the dry shrimp slag of krill degreasing as raw material | |
| CN108424810A (en) | A kind of production method of peanut oil | |
| CN101323814A (en) | Method for leaching cold press peeled vegetable seed cake oil by using mixed solvent | |
| JP2013147618A (en) | Method for producing purified jatropha oil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240521 Address after: No. 85 Tiansheng Road, Tiansheng Street, Beibei District, Chongqing, 400700 Patentee after: Dingxin Siyuan Chongqing Grain and Oil Technology Co.,Ltd. Country or region after: China Address before: 400715 No. 2, natural road, Beibei District, Chongqing Patentee before: SOUTHWEST University Country or region before: China |