CN106147998B - A kind of cold press production method of linseed oil - Google Patents
A kind of cold press production method of linseed oil Download PDFInfo
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- CN106147998B CN106147998B CN201610550062.9A CN201610550062A CN106147998B CN 106147998 B CN106147998 B CN 106147998B CN 201610550062 A CN201610550062 A CN 201610550062A CN 106147998 B CN106147998 B CN 106147998B
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- Prior art keywords
- oil
- linseed
- alkali metal
- metal salt
- atlapulgite
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- 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 15
- 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
- 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 21
- 238000000605 extraction Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000000746 purification Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 241000196324 Embryophyta Species 0.000 claims abstract description 6
- 239000002893 slag Substances 0.000 claims abstract description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical group [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 5
- 150000002978 peroxides Chemical class 0.000 claims description 5
- 230000001376 precipitating effect Effects 0.000 claims description 5
- 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
- 239000012535 impurity Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 238000002203 pretreatment Methods 0.000 claims description 2
- 238000012216 screening Methods 0.000 claims description 2
- 235000016709 nutrition Nutrition 0.000 abstract description 5
- 239000004615 ingredient Substances 0.000 abstract description 3
- 239000002244 precipitate Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 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
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 6
- 241000208202 Linaceae Species 0.000 description 5
- 239000008157 edible vegetable oil Substances 0.000 description 5
- 239000000126 substance 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
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 229910000027 potassium carbonate Inorganic materials 0.000 description 3
- 238000007670 refining 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
- 230000035764 nutrition Effects 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
- 239000000571 coke Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram 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
- 229930013686 lignan Natural products 0.000 description 1
- 150000005692 lignans Chemical class 0.000 description 1
- 235000009408 lignans Nutrition 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000346 nonvolatile oil Substances 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 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
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 235000013343 vitamin Nutrition 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 a kind of cold press production method of linseed oil, include the following steps: that the linseed atlapulgite modified with alkali metal salt is mixed and squeezed by (1)；(2) by the crude oil squeezed out first precipitate fishing slag, after be filtered, the cold pressed cake squeezed out send to extraction plant carry out Residual oil extraction；(3) crude oil obtained after step (2) filtering is heated, the crude oil after heating is mixed with the modified atlapulgite of alkali metal salt；(4) it is then centrifuged and is filtered, the modified atlapulgite of removal alkali metal salt obtains purification linseed oil；(5) the purification linseed oil obtained after step (4) filtering is dried in vacuo, then cools down, linseed oil finished product is made.Prepared linseed oil can be effectively retained the nutritional ingredient of former linseed through the invention, meanwhile, this process simplify extraction process, and improve the yield of linseed oil.
Description
Technical field
The invention belongs to edible oil preparation technical field, the cold press production method of specially a kind of linseed oil.
Background technique
Flax (being commonly called as flax) is the northwest China traditional edible oil kind in area and rare several rich in alpha-linolenic acid
One of oil crops.Linseed (flaxseed) oil-containing 38% -42%, wherein alpha-linolenic acid content is typical up to 57% or so
ω -3 class edible oil.Meanwhile linseed also contains a variety of nutritions such as protein, edible glue, vitamin, lignan, tool
There is very big value of exploiting and utilizing.
In China, linseed oil as edible oil have the centuries history, for a long time, edible linseed oil production and
Consumption is mainly limited to flax main producing region, and since its commercialized degree is low, mostly small-scale processing is squeezed on the spot on the spot
Consumption, processing facility simply and economically, take expressed oil and such as filter, settle simple refining or even do not refine, because of condition deficiency
Also quality inspection is seldom carried out just as processed edible oil.
Cold pressed flax seed oil has a kind of fragrance taste similar to nut and the hot moulding linseed oil after propagandizing hotly then has
Strong linseed oil fragrance, but the production method of hot moulding and technique seriously destroy the nutritive value of product, make linseed oil
Healthcare function be greatly lowered, furthermore be once sampled inspection, often rationalization and the problems such as unqualified sanitary index, occur,
May especially breed in process or it is exogenous bring some foreign matters or toxic substance into, as: excessively fry seed caused by coke
Exceeded, lubricating oil of press machines of bitter taste, BaP etc. are pasted, under cover food safety risk.Furthermore either hot moulding linseed
Oil or cold pressed flax seed oil will generate some flocculent deposits and with dense bitter taste, shadow after storing a period of time
Ring Oil Product Marketing and marketing.
It to sum up analyzes, the substance of linseed oil nutrition and flavor can effectively be kept but also effectively protect by needing to study one kind
Demonstrate,prove the production method that product physics and chemistry and sanitary index require.
Summary of the invention
Place, the present invention provide a kind of cold press production method of linseed oil in order to overcome the shortcomings in the prior art.
To achieve the above object, the invention adopts the following technical scheme: a kind of cold press production method of linseed oil, packet
Include following steps:
(1) the modified atlapulgite of linseed and alkali metal salt is put into twin-screw oil mill and is uniformly mixed, then into
Row squeezing；
(2) crude oil squeezed out first is subjected to precipitating fishing slag through oil-filtering box, is filtered afterwards into filter, obtains crude oil,
And the cold pressed cake squeezed out send to extraction plant and carries out Residual oil extraction；
(3) crude oil obtained after step (2) filtering is heated, by the work modified with alkali metal salt of the crude oil after heating
Property carclazyte mixing, then will mixture be sent into mixer in be mixed；
(4) it is centrifuged subsequently into centrifuge, removes the modified atlapulgite of most alkali metal salt, carry out later
Filtering further filters out the modified atlapulgite of the micro alkali metal salt of remaining, obtains purification linseed oil；
(5) the purification linseed oil obtained after step (4) filtering vacuum desiccator is sent into be dried in vacuo, it is then cold
But, linseed oil finished product is made.
Wherein, the moisture content and volatile content≤0.20% of the linseed, acid value (KOH)≤4.0mg/g, peroxide value
≤7.5mmol/kg。
Wherein, the mass ratio for the atlapulgite that the linseed in step (1) and the alkali metal salt are modified is 100:
(1.5~10).
Wherein, the cold pressed cake thickness≤8mm in step (2), the mass percent of moisture are 7~8%, the matter of Residual oil
Measure percentage≤9.0%.
Wherein, the crude oil heating temperature in step (3) is 35~60 DEG C.
Wherein, the weight ratio of the modified atlapulgite of the crude oil in step (3), the alkali metal salt is 100:(0.5
~10).
Wherein, this method further includes the screening and the pre-treatment step of removing impurity of linseed.
Wherein, the modified atlapulgite of the alkali metal salt is roasted by alkali metal salt and atlapulgite, the roasting
Temperature is 300~500 DEG C, and the time is 0.5~3h.The mass ratio of the alkali metal salt and atlapulgite is (3~8): 100.
Wherein, the alkali metal salt is one or more of potassium carbonate, sodium carbonate, calcium carbonate.
The present invention is used by the way that the modified atlapulgite of alkali metal salt is added in the cold press and subtractive process of linseed oil
Cold pressing, secondary filter, its advantage is that can perfectly retain the nutritional ingredient of former linseed, meanwhile, this process simplify
Extraction process, in subtractive process, so that it may degumming, depickling disposably be carried out to linseed oil, decolourize and eliminate the unusual smell.And completely
The chemical residue of chemical refining appearance is avoided without any chemical reaction process using physics mode, and improves flax
The yield of seed oil.
Being described below for exemplary embodiment is read with reference to the drawings, other property features of the invention and advantage will
It is apparent from.
Detailed description of the invention
It is incorporated into specification and the attached drawing for constituting part of specification shows the embodiment of the present invention, and with
Principle for explaining the present invention together is described.In the drawings, similar appended drawing reference is for indicating similar element.Under
Attached drawing in the description of face is some embodiments of the present invention, rather than whole embodiments.Those of ordinary skill in the art are come
It says, without creative efforts, other drawings may be obtained according to these drawings without any creative labor.
More detailed description is made to the present invention with reference to the accompanying drawing.
Fig. 1 is the flow diagram of the cold press production method of the linseed oil of the embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.It needs
Illustrate, in the absence of conflict, the features in the embodiments and the embodiments of the present application can mutual any combination.
Embodiment 1
A kind of cold press production method of linseed oil, includes the following steps:
(1) the modified atlapulgite of linseed and alkali metal salt is put into twin-screw oil mill, opens equipment and is pressed
It squeezes.Wherein, the moisture content of selected linseed and volatile content are 0.20%, and acid value (KOH) is 4.0mg/g, peroxide value
For 7.5mmol/kg.Wherein, the modified atlapulgite of alkali metal salt is roasted at 500 DEG C by the mixture of potassium carbonate and atlapulgite
It burns 3h to form, the mass ratio of potassium carbonate and atlapulgite is 5:100.Also, the linseed activity modified with alkali metal salt is white
The mass ratio of soil is 100:10.
(2) crude oil squeezed out first is subjected to precipitating fishing slag through oil-filtering box, after be pumped into leaf-type filter and be filtered, obtain hair
Oil, and the cold pressed cake squeezed out send to extraction plant and carries out Residual oil extraction.Wherein, cold pressed cake with a thickness of 8mm, the quality of moisture
Percentage is 3%, and the mass percent of Residual oil is 9.0%.
(3) crude oil obtained after step (2) filtering is heated to 35 DEG C, the crude oil after heating is modified with alkali metal salt
Atlapulgite is that 100:10 is mixed with weight ratio, and then mixture is sent into mixer and is mixed.
(4) it is centrifuged subsequently into centrifuge, removes the modified atlapulgite of most alkali metal salt, carry out later
Filtering further filters out the modified atlapulgite of the micro alkali metal salt of remaining, obtains purification linseed oil.
(5) the purification linseed oil obtained after step (4) filtering vacuum desiccator is sent into be dried in vacuo, it is then cold
But, linseed oil finished product is made.
Embodiment 2
A kind of cold press production method of linseed oil, includes the following steps:
(1) linseed source is screened and is cleaned.
(2) the modified atlapulgite of linseed and alkali metal salt is put into twin-screw oil mill, opens equipment and is pressed
It squeezes.Wherein, the moisture content of selected linseed and volatile content are 0.10%, and acid value (KOH) is 2.0mg/g, peroxide value
For 4mmol/kg.Wherein, the modified atlapulgite of alkali metal salt is mixed with atlapulgite by sodium carbonate and roasts 2h at 400 DEG C
It forms, the mass ratio of sodium carbonate and atlapulgite is 3:100.Also, the atlapulgite that linseed and alkali metal salt are modified
Mass ratio is 100:5.
(3) crude oil squeezed out first is subjected to precipitating fishing slag through oil-filtering box, after be pumped into leaf-type filter and be filtered, obtain hair
Oil, and the cold pressed cake squeezed out send to extraction plant and carries out Residual oil extraction.Wherein, cold pressed cake with a thickness of 5mm, the quality of moisture
Percentage is 1.5%, and the mass percent of Residual oil is 5.0%.
(4) crude oil obtained after step (3) filtering is heated to 45 DEG C, the crude oil after heating is modified with alkali metal salt
Atlapulgite is that 100:5 is mixed with weight ratio, and then mixture is sent into mixer and is mixed.
(5) it is centrifuged subsequently into centrifuge, removes the modified atlapulgite of most alkali metal salt, carry out later
Filtering further filters out the modified atlapulgite of the micro alkali metal salt of remaining, obtains purification linseed oil.
(6) the purification linseed oil obtained after step (5) filtering vacuum desiccator is sent into be dried in vacuo, it is then cold
But, linseed oil finished product is made.
Embodiment 3
A kind of cold press production method of linseed oil, includes the following steps:
(1) linseed source is screened and is cleaned.
(2) the modified atlapulgite of linseed and alkali metal salt is put into twin-screw oil mill, opens equipment and is pressed
It squeezes.Wherein, the moisture content of selected linseed and volatile content are 0.05%, and acid value (KOH) is 1.0mg/g, peroxide value
For 2mmol/kg.Wherein, the modified atlapulgite of alkali metal salt is roasted at 300 DEG C by the mixture of calcium carbonate and atlapulgite
0.5h is formed, and the mass ratio of calcium carbonate and atlapulgite is 8:100.Also, the linseed activity modified with alkali metal salt is white
The mass ratio of soil is 100:1.5.
(3) crude oil squeezed out first is subjected to precipitating fishing slag through oil-filtering box, after be pumped into leaf-type filter and be filtered, obtain hair
Oil, and the cold pressed cake squeezed out send to extraction plant and carries out Residual oil extraction.Wherein, cold pressed cake with a thickness of 3mm, the quality of moisture
Percentage is 3%, and the mass percent of Residual oil is 3.0%.
(4) crude oil obtained after step (3) filtering is heated to 60 DEG C, the crude oil after heating is modified with alkali metal salt
Atlapulgite is that 100:0.5 is mixed with weight ratio, and then mixture is sent into mixer and is mixed.
(5) it is centrifuged subsequently into centrifuge, removes the modified atlapulgite of most alkali metal salt, carry out later
Filtering further filters out the modified atlapulgite of the micro alkali metal salt of remaining, obtains purification linseed oil.
(6) the purification linseed oil obtained after step (5) filtering vacuum desiccator is sent into be dried in vacuo, it is then cold
But, linseed oil finished product is made.
The present invention is used by the way that the modified atlapulgite of alkali metal salt is added in the cold press and subtractive process of linseed oil
Cold pressing, secondary filter, its advantage is that can perfectly retain the nutritional ingredient of former linseed, meanwhile, this process simplify
Extraction process, in subtractive process, so that it may degumming, depickling disposably be carried out to linseed oil, decolourize and eliminate the unusual smell.And completely
The chemical residue of chemical refining appearance is avoided without any chemical reaction process using physics mode, and improves flax
The yield of seed oil.
It should be pointed out that the content for including above for a kind of cold press production method of linseed oil of the invention can be with
Individually implement, or the implementation that combines in various ways, and these variants are all within protection scope of the present invention.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (2)
1. a kind of cold press production method of linseed oil, which comprises the steps of:
(1) the linseed atlapulgite modified with alkali metal salt is put into twin-screw oil mill and is uniformly mixed, then pressed
It squeezes；
(2) crude oil squeezed out first is subjected to precipitating fishing slag through oil-filtering box, is filtered afterwards into filter, obtains crude oil, and
The cold pressed cake squeezed out send to extraction plant and carries out Residual oil extraction；
(3) crude oil obtained after step (2) filtering is heated, the activity modified with alkali metal salt of the crude oil after heating is white
Mixture, is then sent into mixer and is mixed by soil mixing；
(4) it is centrifuged subsequently into centrifuge, removes the modified atlapulgite of most alkali metal salt, carried out later
Filter further filters out the modified atlapulgite of the micro alkali metal salt of remaining, obtains purification linseed oil；
(5) the purification linseed oil obtained after step (4) filtering is sent into vacuum desiccator to be dried in vacuo, is then cooled down,
Linseed oil finished product is made；
The mass ratio for the atlapulgite that the linseed and the alkali metal salt in step (1) are modified is 100:(5~10)；Institute
It states the modified atlapulgite of alkali metal salt to be roasted by alkali metal salt and atlapulgite, the maturing temperature is 400 DEG C, the time
For 2h；The mass ratio of the alkali metal salt and atlapulgite is (5~8): 100；The alkali metal salt is sodium carbonate；
Cold pressed cake thickness≤the 8mm in step (2), the mass percent of moisture are 1~8%, the mass percent of Residual oil
≤ 9.0%；
The crude oil heating temperature in step (3) is 45~60 DEG C；The modified atlapulgite of the crude oil, the alkali metal salt
Weight ratio be 100:(5~10)；
The moisture content and volatile content≤0.20% of the linseed, acid value (KOH)≤4.0mg/g, peroxide value≤
7.5mmol/kg。
2. the method according to claim 1, wherein this method further includes screening and the removing impurity of linseed
Pre-treatment step.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610550062.9A CN106147998B (en) | 2016-07-13 | 2016-07-13 | A kind of cold press production method of linseed oil |
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|---|---|---|---|
| CN201610550062.9A CN106147998B (en) | 2016-07-13 | 2016-07-13 | A kind of cold press production method of linseed oil |
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| CN106147998A CN106147998A (en) | 2016-11-23 |
| CN106147998B true CN106147998B (en) | 2019-10-25 |
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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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| CN101275101A (en) * | 2007-03-28 | 2008-10-01 | 刘洪举 | Low-temperature cold pressing method for linseed oil |
| CN103215118A (en) * | 2013-05-13 | 2013-07-24 | 宁夏吴忠市国军清真食品有限公司 | Cold-pressing method of linseed oil |
| CN103666751B (en) * | 2013-10-18 | 2015-05-20 | 浙江佰帆果木种植有限公司 | Production method of squeezed green tea seed oil |
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