CN106147998A - A kind of cold press production method of linseed oil - Google Patents
A kind of cold press production method of linseed oil Download PDFInfo
- Publication number
- CN106147998A CN106147998A CN201610550062.9A CN201610550062A CN106147998A CN 106147998 A CN106147998 A CN 106147998A CN 201610550062 A CN201610550062 A CN 201610550062A CN 106147998 A CN106147998 A CN 106147998A
- Authority
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- China
- Prior art keywords
- oil
- alkali metal
- metal salt
- linseed
- atlapulgite
- 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.)
- Granted
Links
- 239000000944 linseed oil Substances 0.000 title claims abstract description 45
- 235000021388 linseed oil Nutrition 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 43
- -1 alkali metal salt Chemical group 0.000 claims abstract description 43
- 235000004431 Linum usitatissimum Nutrition 0.000 claims abstract description 30
- 235000004426 flaxseed Nutrition 0.000 claims abstract description 26
- 240000006240 Linum usitatissimum Species 0.000 claims abstract description 25
- 239000010779 crude oil Substances 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 22
- 239000000203 mixture Substances 0.000 claims abstract description 22
- 239000003921 oil Substances 0.000 claims abstract description 22
- 235000019198 oils Nutrition 0.000 claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 238000000605 extraction Methods 0.000 claims abstract description 15
- 241000196324 Embryophyta Species 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 239000002893 slag Substances 0.000 claims abstract description 6
- 230000004048 modification Effects 0.000 claims description 15
- 238000012986 modification Methods 0.000 claims description 15
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 8
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical group [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 5
- 150000002978 peroxides Chemical class 0.000 claims description 5
- 238000001556 precipitation Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 4
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 238000002203 pretreatment Methods 0.000 claims description 2
- 238000012216 screening Methods 0.000 claims description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- 239000011575 calcium Substances 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims 1
- 238000005245 sintering Methods 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 8
- 235000016709 nutrition Nutrition 0.000 abstract description 4
- 238000002372 labelling Methods 0.000 abstract description 3
- 230000000717 retained effect Effects 0.000 abstract 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- 241000208202 Linaceae Species 0.000 description 5
- 239000008157 edible vegetable oil Substances 0.000 description 5
- DTOSIQBPPRVQHS-PDBXOOCHSA-N alpha-linolenic acid Chemical compound CC\C=C/C\C=C/C\C=C/CCCCCCCC(O)=O DTOSIQBPPRVQHS-PDBXOOCHSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 235000020661 alpha-linolenic acid Nutrition 0.000 description 2
- 235000019658 bitter taste Nutrition 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003205 fragrance Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 229960004488 linolenic acid Drugs 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 235000015112 vegetable and seed oil Nutrition 0.000 description 2
- MJYQFWSXKFLTAY-OVEQLNGDSA-N (2r,3r)-2,3-bis[(4-hydroxy-3-methoxyphenyl)methyl]butane-1,4-diol;(2r,3r,4s,5s,6r)-6-(hydroxymethyl)oxane-2,3,4,5-tetrol Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O.C1=C(O)C(OC)=CC(C[C@@H](CO)[C@H](CO)CC=2C=C(OC)C(O)=CC=2)=C1 MJYQFWSXKFLTAY-OVEQLNGDSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229930013686 lignan Natural products 0.000 description 1
- 235000009408 lignans Nutrition 0.000 description 1
- 150000005692 lignans Chemical class 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000346 nonvolatile oil Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 235000020660 omega-3 fatty acid Nutrition 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 235000019640 taste Nutrition 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 150000003722 vitamin derivatives Chemical class 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
- C11B1/06—Production of fats or fatty oils from raw materials by pressing
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23D—EDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS
- A23D9/00—Other edible oils or fats, e.g. shortenings, cooking oils
- A23D9/02—Other edible oils or fats, e.g. shortenings, cooking oils characterised by the production or working-up
- A23D9/04—Working-up
-
- 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
-
- 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
- C11B1/108—Production of fats or fatty oils from raw materials by extracting after-treatment, e.g. of miscellae
-
- 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
- C11B3/00—Refining fats or fatty oils
- C11B3/001—Refining fats or fatty oils by a combination of two or more of the means hereafter
-
- 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
- C11B3/00—Refining fats or fatty oils
- C11B3/008—Refining fats or fatty oils by filtration, e.g. including ultra filtration, dialysis
-
- 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
- C11B3/00—Refining fats or fatty oils
- C11B3/10—Refining fats or fatty oils by adsorption
-
- 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
- C11B3/00—Refining fats or fatty oils
- C11B3/16—Refining fats or fatty oils by mechanical means
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Microbiology (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Mechanical Engineering (AREA)
- Fats And Perfumes (AREA)
- Edible Oils And Fats (AREA)
Abstract
The invention discloses the cold press production method of a kind of linseed oil, comprise the steps: that the atlapulgite that linseed is modified with alkali metal salt is mixed and squeezes by (1)；(2) crude oil squeezed out first precipitated drag for slag, after filter, the cold pressed cake squeezed out is delivered to extraction plant and is carried out Residual oil extraction；(3) crude oil obtaining after filtering step (2) heats, by atlapulgite mix and blend modified with alkali metal salt for the crude oil after heating；(4) it is then centrifuged and filters, removing the modified atlapulgite of alkali metal salt, obtaining refined linseed oil；(5) the refined linseed oil obtaining after filtering step (4) is vacuum dried, and then cools down, and prepares linseed oil finished product.The nutritional labeling of former linseed can be effectively retained by the linseed oil prepared by the present invention, meanwhile, this process simplify extraction process, and improve the productivity of linseed oil.
Description
Technical field
The invention belongs to edible oil preparing technical field, the cold press production method of specially a kind of linseed oil.
Background technology
Flax (being commonly called as flax) is the traditional edible oil kind in NORTHWEST CHINA area, is also rare several rich in alpha-linolenic acid
One of oil crops.Linseed (flaxseed) oil-containing 38% 42%, wherein alpha-linolenic acid content reaches about 57%, is typical case
ω-3 class edible oil.Meanwhile, linseed is possibly together with the multiple nutrients compositions such as protein, edible glue, vitamin, lignan, tool
There is very big value of exploiting and utilizing.
In China, linseed oil is as the history of edible oil existing centuries, for a long time, edible linseed oil produce and
Consumption is mainly limited to flax main producing region, owing to its commercialized degree is low, is mostly processing on a small scale, squeezes on the spot on the spot
Consuming, expressed oil simply and economically, is taked such as the simply refining even refining such as filtration, sedimentation, because of condition deficiency by processing facility
Also quality inspection is seldom carried out just as processed edible oil.
Cold pressed flax seed oil has hot moulding linseed oil after propagandizing hotly for a kind of fragrance taste being similar to nut and then has
Strong linseed oil fragrance, but the production method of hot moulding and the technique heavy damage nutritive value of product, make linseed oil
Health care be greatly lowered, furthermore be once sampled inspection, often rationalization and sanitary index is defective etc. that problem occurs,
Particularly may grow in process or exogenous some foreign matters or the toxic substance brought into, such as: excessively fry Jiao that seed causes
Stick with paste bitter taste, BaP exceeds standard, the lubricating oil etc. of press machines, under cover food safety risk.In addition either hot moulding linseed
Oil or cold pressed flax seed oil, will produce some flocculent deposits and be attended by dense bitter taste, shadow after storing a period of time
Ring Oil Product Marketing and marketing.
To sum up analyze, need to study and a kind of can effectively keep the material of linseed oil nutrition and local flavor, can effectively protect again
The production method that card product physics and chemistry and sanitary index require.
Content of the invention
In order to overcome weak point of the prior art, the present invention provides the cold press production method of a kind of linseed oil.
For achieving the above object, present invention employs techniques below scheme: the cold press production method of a kind of linseed oil, bag
Include following steps:
(1) put into the atlapulgite that linseed and alkali metal salt are modified in twin-screw oil mill and mix, then enter
Row squeezing；
(2) by the crude oil squeezed out, first carrying out precipitation through oil-filtering box drags for slag, and the rear filter that enters filters, and obtains crude oil,
And the cold pressed cake squeezed out is delivered to extraction plant and is carried out Residual oil extraction；
(3) crude oil obtaining after filtering step (2) heats, by work modified with alkali metal salt for the crude oil after heating
Property carclazyte mixing, then mixture is sent in blender and be carried out mix and blend；
(4) it is centrifuged subsequently into centrifuge, remove the modified atlapulgite of most alkali metal salt, carry out afterwards
Filter, further filter out the modified atlapulgite of the trace alkali metal salt of remaining, obtain refined linseed oil；
(5) the refined linseed oil obtaining after filtering step (4) is sent into vacuum desiccator and is vacuum dried, then cold
But, linseed oil finished product is prepared.
Wherein, the moisture content of described linseed and volatile content≤0.20%, acid number (KOH)≤4.0mg/g, peroxide value
≤7.5mmol/kg。
Wherein, the mass ratio of the atlapulgite with the modification of described alkali metal salt for the described linseed in step (1) is 100:
(1.5～10).
Wherein, the described cold pressed cake thickness≤8mm in step (2), the mass percent of moisture is 7～8%, the matter of Residual oil
Amount percentage≤9.0%.
Wherein, the described crude oil heating-up temperature in step (3) is 35～60 DEG C.
Wherein, the weight of the described crude oil in step (3), described alkali metal salt modified atlapulgite ratio is for 100:(0.5
～10).
Wherein, the method also includes the screening of linseed and the pre-treatment step of removing impurity.
Wherein, the atlapulgite of described alkali metal salt modification is formed by alkali metal salt and atlapulgite roasting, described roasting
Temperature is 300～500 DEG C, and the time is 0.5～3h.Described alkali metal salt is (3～8) with the mass ratio of atlapulgite: 100.
Wherein, described alkali metal salt is potassium carbonate, sodium carbonate, one or more in calcium carbonate.
The present invention, by adding the atlapulgite of alkali metal salt modification in the cold press of linseed oil with subtractive process, uses
Cold pressing, secondary filter, its advantage is the nutritional labeling that can perfectly retain former linseed, this process simplify meanwhile
Extraction process, in subtractive process, so that it may disposably carries out degumming, depickling to linseed oil, decolours and eliminate the unusual smell.And completely
Use physics mode, without any chemical reaction process, it is to avoid the chemical residue that chemical refining occurs, and improve flax
The productivity of seed oil.
Following description for exemplary embodiment is read with reference to the drawings, and other property features of the present invention and advantage will
It is apparent from.
Brief description
It is incorporated in specification and constitutes a part of accompanying drawing of specification and show embodiments of the invention, and with
Describe together for explaining the principle of the present invention.In the drawings, the reference being similar to is for representing similar key element.Under
Accompanying drawing during face describes is some embodiments of the present invention, rather than whole embodiment.Those of ordinary skill in the art are come
Say, on the premise of not paying creative work, other accompanying drawing can be obtained according to these accompanying drawings.
Below in conjunction with the accompanying drawings the present invention is further described in detail.
Fig. 1 is the schematic flow sheet of the cold press production method of the linseed oil of the embodiment of the present invention.
Detailed description of the invention
Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment being obtained under the premise of not making creative work, broadly falls into the scope of protection of the invention.Need
Illustrating, in the case of not conflicting, the embodiment in the application and the feature in embodiment can mutually be combined.
Embodiment 1
The cold press production method of a kind of linseed oil, comprises the steps:
(1) putting in twin-screw oil mill by the atlapulgite that linseed is modified with alkali metal salt, unlatching equipment is pressed
Squeeze.Wherein, the moisture content of selected linseed and volatile content are 0.20%, and acid number (KOH) is 4.0mg/g, peroxide value
For 7.5mmol/kg.Wherein, the atlapulgite of alkali metal salt modification is roasted at 500 DEG C by the mixture of potassium carbonate and atlapulgite
Burning 3h to form, the mass ratio of potassium carbonate and atlapulgite is 5:100.Further, linseed is white with the activity of alkali metal salt modification
The mass ratio of soil is 100:10.
(2) by the crude oil squeezed out, first carrying out precipitation through oil-filtering box drags for slag, after pump into leaf-type filter and filter, obtain hair
Oil, and the cold pressed cake squeezed out delivers to extraction plant and carries out Residual oil extraction.Wherein, the thickness of cold pressed cake is 8mm, the quality of moisture
Percentage is 3%, and the mass percent of Residual oil is 9.0%.
(3) crude oil obtaining after filtering step (2) is heated to 35 DEG C, by the crude oil after heating and alkali metal salt modification
Atlapulgite mixes with weight than for 100:10, then sends into mixture in blender and carries out mix and blend.
(4) it is centrifuged subsequently into centrifuge, remove the modified atlapulgite of most alkali metal salt, carry out afterwards
Filter, further filter out the modified atlapulgite of the trace alkali metal salt of remaining, obtain refined linseed oil.
(5) the refined linseed oil obtaining after filtering step (4) is sent into vacuum desiccator and is vacuum dried, then cold
But, linseed oil finished product is prepared.
Embodiment 2
The cold press production method of a kind of linseed oil, comprises the steps:
(1) row filter and removal of impurities are entered to linseed source.
(2) putting in twin-screw oil mill by the atlapulgite that linseed is modified with alkali metal salt, unlatching equipment is pressed
Squeeze.Wherein, the moisture content of selected linseed and volatile content are 0.10%, and acid number (KOH) is 2.0mg/g, peroxide value
For 4mmol/kg.Wherein, the atlapulgite of alkali metal salt modification is incorporated in roasting 2h at 400 DEG C by sodium carbonate and atlapulgite are mixed
Forming, the mass ratio of sodium carbonate and atlapulgite is 3:100.Further, linseed and the atlapulgite of alkali metal salt modification
Mass ratio is 100:5.
(3) by the crude oil squeezed out, first carrying out precipitation through oil-filtering box drags for slag, after pump into leaf-type filter and filter, obtain hair
Oil, and the cold pressed cake squeezed out delivers to extraction plant and carries out Residual oil extraction.Wherein, the thickness of cold pressed cake is 5mm, the quality of moisture
Percentage is 1.5%, and the mass percent of Residual oil is 5.0%.
(4) crude oil obtaining after filtering step (3) is heated to 45 DEG C, by the crude oil after heating and alkali metal salt modification
Atlapulgite mixes with weight than for 100:5, then sends into mixture in blender and carries out mix and blend.
(5) it is centrifuged subsequently into centrifuge, remove the modified atlapulgite of most alkali metal salt, carry out afterwards
Filter, further filter out the modified atlapulgite of the trace alkali metal salt of remaining, obtain refined linseed oil.
(6) the refined linseed oil obtaining after filtering step (5) is sent into vacuum desiccator and is vacuum dried, then cold
But, linseed oil finished product is prepared.
Embodiment 3
The cold press production method of a kind of linseed oil, comprises the steps:
(1) row filter and removal of impurities are entered to linseed source.
(2) putting in twin-screw oil mill by the atlapulgite that linseed is modified with alkali metal salt, unlatching equipment is pressed
Squeeze.Wherein, the moisture content of selected linseed and volatile content are 0.05%, and acid number (KOH) is 1.0mg/g, peroxide value
For 2mmol/kg.Wherein, the atlapulgite of alkali metal salt modification is by mixture roasting at 300 DEG C of calcium carbonate and atlapulgite
0.5h forms, and calcium carbonate is 8:100 with the mass ratio of atlapulgite.Further, linseed is white with the activity of alkali metal salt modification
The mass ratio of soil is 100:1.5.
(3) by the crude oil squeezed out, first carrying out precipitation through oil-filtering box drags for slag, after pump into leaf-type filter and filter, obtain hair
Oil, and the cold pressed cake squeezed out delivers to extraction plant and carries out Residual oil extraction.Wherein, the thickness of cold pressed cake is 3mm, the quality of moisture
Percentage is 3%, and the mass percent of Residual oil is 3.0%.
(4) crude oil obtaining after filtering step (3) is heated to 60 DEG C, by the crude oil after heating and alkali metal salt modification
Atlapulgite mixes with weight than for 100:0.5, then sends into mixture in blender and carries out mix and blend.
(5) it is centrifuged subsequently into centrifuge, remove the modified atlapulgite of most alkali metal salt, carry out afterwards
Filter, further filter out the modified atlapulgite of the trace alkali metal salt of remaining, obtain refined linseed oil.
(6) the refined linseed oil obtaining after filtering step (5) is sent into vacuum desiccator and is vacuum dried, then cold
But, linseed oil finished product is prepared.
The present invention, by adding the atlapulgite of alkali metal salt modification in the cold press of linseed oil with subtractive process, uses
Cold pressing, secondary filter, its advantage is the nutritional labeling that can perfectly retain former linseed, this process simplify meanwhile
Extraction process, in subtractive process, so that it may disposably carries out degumming, depickling to linseed oil, decolours and eliminate the unusual smell.And completely
Use physics mode, without any chemical reaction process, it is to avoid the chemical residue that chemical refining occurs, and improve flax
The productivity of seed oil.
It is pointed out that the content that the cold press production method of a kind of linseed oil above for the present invention includes is permissible
Individually implement, or the enforcement that combines in every way, and these variant are all within protection scope of the present invention.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit.Although
With reference to previous embodiment, the present invention is described in detail, it will be understood by those within the art that: it still may be used
Modify with the technical scheme described in foregoing embodiments, or equivalent is carried out to wherein portion of techniques feature；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. the cold press production method of a linseed oil, it is characterised in that comprise the steps:
(1) put into the atlapulgite that linseed and alkali metal salt are modified in twin-screw oil mill and mix, then press
Squeeze；
(2) by the crude oil squeezed out, first carrying out precipitation through oil-filtering box drags for slag, and the rear filter that enters filters, and obtains crude oil, and
The cold pressed cake squeezed out is delivered to extraction plant and is carried out Residual oil extraction；
(3) crude oil obtaining after filtering step (2) heats, and the crude oil after heating is white with the activity of alkali metal salt modification
Soil mixing, then sends into mixture in blender and carries out mix and blend；
(4) it is centrifuged subsequently into centrifuge, remove the modified atlapulgite of most alkali metal salt, carried out afterwards
Filter, further filters out the modified atlapulgite of the trace alkali metal salt of remaining, obtains refined linseed oil；
(5) the refined linseed oil obtaining after filtering step (4) is sent into vacuum desiccator and is vacuum dried, and then cools down,
Prepare linseed oil finished product.
2. method according to claim 1, it is characterised in that the moisture content of described linseed and volatile content≤
0.20%, acid number (KOH)≤4.0mg/g, peroxide value≤7.5mmol/kg.
3. method according to claim 1, it is characterised in that the described linseed in step (1) and described alkali metal salt
The mass ratio of modified atlapulgite is 100:(1.5～10).
4. method according to claim 1, it is characterised in that the described cold pressed cake thickness≤8mm in step (2), moisture
Mass percent be 1～8%, mass percent≤9.0% of Residual oil.
5. method according to claim 1, it is characterised in that the described crude oil heating-up temperature in step (3) is 35～60
℃。
6. method according to claim 1, it is characterised in that described crude oil, described alkali metal salt in step (3) are modified
The weight of atlapulgite than for 100:(0.5～10).
7. method according to claim 1, it is characterised in that the method also includes screening and the removing impurity of linseed
Pre-treatment step.
8. method according to claim 1, it is characterised in that the modified atlapulgite of described alkali metal salt is by alkali metal salt
Forming with atlapulgite roasting, described sintering temperature is 300～500 DEG C, and the time is 0.5～3h.
9. method according to claim 8, it is characterised in that described alkali metal salt is (3 with the mass ratio of atlapulgite
～8): 100.
10. method according to claim 8 or claim 9, it is characterised in that described alkali metal salt is potassium carbonate, sodium carbonate, carbonic acid
One or more in calcium.
Priority Applications (1)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107523414A (en) * | 2017-10-18 | 2017-12-29 | 宁夏君星坊食品科技有限公司 | A kind of low temperature method for cold pressing of linseed oil |
| CN111621357A (en) * | 2020-05-22 | 2020-09-04 | 中国农业科学院油料作物研究所 | Method for preparing oil by synchronously squeezing oil and performing solid-phase refining |
| CN112481017A (en) * | 2020-11-13 | 2021-03-12 | 宁夏瑞福祥粮油食品有限公司 | Production method of linseed oil |
| CN112899070A (en) * | 2021-01-20 | 2021-06-04 | 宁夏中宁县骨杞草枸杞开发有限公司 | Medlar black sesame oil and production method thereof |
| CN115261117A (en) * | 2022-09-05 | 2022-11-01 | 穆棱市寿长亚麻籽油加工有限公司 | Production method of cold-pressed linseed oil |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107523414A (en) * | 2017-10-18 | 2017-12-29 | 宁夏君星坊食品科技有限公司 | A kind of low temperature method for cold pressing of linseed oil |
| CN111621357A (en) * | 2020-05-22 | 2020-09-04 | 中国农业科学院油料作物研究所 | Method for preparing oil by synchronously squeezing oil and performing solid-phase refining |
| CN112481017A (en) * | 2020-11-13 | 2021-03-12 | 宁夏瑞福祥粮油食品有限公司 | Production method of linseed oil |
| CN112899070A (en) * | 2021-01-20 | 2021-06-04 | 宁夏中宁县骨杞草枸杞开发有限公司 | Medlar black sesame oil and production method thereof |
| CN115261117A (en) * | 2022-09-05 | 2022-11-01 | 穆棱市寿长亚麻籽油加工有限公司 | Production method of cold-pressed linseed oil |
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| CN106147998B (en) | 2019-10-25 |
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