CN105038957A - Peeled linseed oil production technology - Google Patents
Peeled linseed oil production technology Download PDFInfo
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- CN105038957A CN105038957A CN201510480644.XA CN201510480644A CN105038957A CN 105038957 A CN105038957 A CN 105038957A CN 201510480644 A CN201510480644 A CN 201510480644A CN 105038957 A CN105038957 A CN 105038957A
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Abstract
The invention provides a peeled linseed oil production technology. The peeled linseed oil production technology is characterized by sequentially comprising the following steps that firstly, linseeds are aired; secondly, the linseed kernels processed in the first step are added to boiled water, a water gun is used for leading cool clear water to wash the linseed kernels in a jacketed kettle, attached peel is removed, and operation is repeated many times; thirdly, the linseed kernels processed in the second step are steamed through a steamer; fourthly, the linseed kernels processed in the third step are pressurized through a hydraulic machine to generate crude oil; fifthly, filtered linseed oil is subjected to hyperfiltration; sixthly, ultraviolet radiation is conducted; seventhly, low-temperature vacuum bumping is conducted to remove the fishy smell. The peeled linseed oil smells fragrant, is unique in flavor, can be widely applied to cooking various food and dishes and has high nutritive value and healthcare and maintaining effects, the high anti-oxidative active ingredients are ensured, and the peeled linseed oil production technology is especially suitable for being popularized in the technical field of small-batch special oil production.
Description
Technical field
The present invention relates to a kind of method of producing the linseed oil of decortication, art, biological and new medical technology, modern agricultural technology, agricultural-food intensive processing and modern accumulating: agriculture and forestry product and extraordinary enhance productivity are processed.
Background technology
linseed oil (LinumustitatissimumL), also known as flax, belongs to flax family (Linaceae), linum, is one of large oil crops in the world ten, mainly for countries such as Canada, Argentina, India, the U.S., China.Main containing functional ingredient such as fat, albumen, carbohydrates in linseed oil, what is more important linseed oil is rich in the linseed oil of alpha-linolenic acid content, and linseed oil is one of known plants grease that current n-3 fatty acid content is the highest.Be rich in multiple unsaturated fatty acids in linseed oil, wherein the content of alpha-linolenic acid can reach 40% ~ 60%.Alpha-linolenic acid belongs to essential fatty acid, and be otherwise known as vitamin F, can not only synthesize other two kinds of unsaturated fatty acidss EPA, DHA, is the core substance participating in phosphatide synthesis, metabolism, conversion simultaneously.Nowadays in developed countries such as America and Europes, oleum lini uses as nutritional additive or functional food ingredients.Recent study finds, linseed oil has preventing hyperlipidemia, atherosclerosis, reduce blood pressure, strengthen Regular Insulin falls hypoglycemic effect.
the traditional hot moulding of China squeezes after oil crop seeds by using is fried roasting, smell special fragrant, color is comparatively dark, output higher but
can nutrition be destroyed, be of low nutritive value.
and current cold pressing process, more or less all can use chemical additive in process of production, thus at final product
chemical residue is had in product.Be badly in need of a kind of linseed oil production and processing method.
Summary of the invention
The object of the present invention is to provide the decortication linseed oil production method of a kind of easy, nutritive value and health care, rational technology.
Technical scheme of the present invention is achieved in that and comprises the steps:
A, airing is carried out to linseed oil, control water ratio 3%-5%;
B, the linseed kernel of A, process is added in the boiling water of temperature 90-100 DEG C, amount of water be the 4-10 of linseed kernel amount doubly, soaks after 3-5 minute and hot water is discharged, draw the raspberry in cool clear water flushing jacketed kettle with hydraulic giant, remove attached skin; Repeated multiple times;
C, use food steamer to steam 10min the linseed kernel of B, process, improve the fragrance of linseed oil and oil yield;
D, the linseed kernel hydropress of C, process is added extrusion crude oil; Linseed kernel is made cake and puts into hydropress, often squeeze and throw cake 20-25 block, every block is about 4-6kg, equably pressurized hydraulic low pressure, when making pressure be pressed onto 110-120MPa, low pressure is transferred to high pressure, and uniform pressurization is to during 280-300MPa, during squeezing, can not be too fast, in order to avoid cake slag oozes out;
E, hyperfiltration remove lipoxygenase, select the hyperfiltration film of molecular weight cut-off 80-120kD, carry out hyperfiltration process to the linseed oil after filtering;
F, uv irradiating, the linseed oil after filtration flows through the irradiating unit that ultraviolet lamp is settled in top, and irradiation dose is 300-400J/m2, and irradiation time is 10-20 second;
G, cryogenic vacuum bumping remove fishy smell, and uv irradiating kills the linseed oil after enzyme, is heated to 50-70 DEG C, for subsequent use; Open the heating unit of vacuum tank, in tank, temperature maintains 80-90 DEG C, start vacuum pump, the absolute pressure in vacuum tank drops to below 400Pa, opens feed valve, suck the linseed oil heated, make the hot linseed oil moment bumping entered, remove fishy smell, control inlet amount, keep feed temperature 80-90 DEG C in vacuum tank, absolute pressure is no more than 400Pa; After charging, operational condition is constant, continues process 5-10min.
Compared with prior art the inventive method tool has the following advantages: (1) the invention provides a kind of minimizing technology of linseed oil underwear, production for high-quality linseed oil provides High quality processing raw material, facilitate the technical progress of linseed oil secondary industry, improve added value of product; (2) the present invention is different from seed benevolence chemical constitution according to the underwear of linseed oil, shrinks and with speed of expansion different principle, the seed benevolence of linseed oil is separated with underwear under suddenly cold and hot condition, makes linseed oil underwear, seed benevolence separately by roll differential fragmentation and wind-force; (3) linseed kernel uses food steamer to steam 10min by the present invention, improves fragrance and the oil yield of linseed oil; (4) the present invention utilizes physical cold Technology in Pressing, make there is no organic solvent residual in product, the crude oil color and luster that cold press simultaneously goes out is more shallow than traditional hot moulding linseed oil, do not need through coming unstuck, alkali refining, decolouring, deodorization process, thus the loss such as natural nutrition VE is few, and also not producing the objectionable impuritiess such as trans fatty acid provides; (5) the present invention utilizes ultra micro membrane filtration technique, eliminates in linseed oil storage process and causes rotten biotic factor; Oxygenase in linseed oil, in storage process, the double bond fracture in the unsaturated fatty acids in catalyzed oxidation linseed oil, produces the smell substances such as aldehyde ketone and produces, and linseed oil is gone bad; Tradition hot moulding utilizes high temperature to make oxygenase deactivation; Solvent extraction method is in refining process, make oxygenase inactivation; Technique of the present invention is without heat denatured process, also do not carry out refining, and adopt ultra micro membrane filtration technique, the lipoxygenase in ultrafiltration removing linseed oil, eliminate in linseed oil storage process and cause rotten biotic factor, and the clarity simultaneously added; (5) the present invention utilizes uv irradiating technology, kills the activity of fatty oxygenase do not removed completely in hyperfiltration process, and destroys the structure of remaining aflatoxin further, reaches the object eliminated further.In order to ensure the circulation of ultrafiltration, the ultra-filtration membrane of the 80-120KD selected in technique, can remove most lipoxygenase, but can not remove completely.Remaining lipoxygenase, utilizes the uv irradiating process of low dosage, both can ensure that the quality of oil is not suffered a loss, can reduce again residual fat oxygenase further active, ensure the storage of oil.Meanwhile, utilize the wavelength of UV-light short, energy is large, when being irradiated to body surface, is easily subsequently absorbed in the material, becomes the interior energy of material, destroys the characteristic of the chemical bond of material molecule, reduces the aflatoxin content in linseed oil further; (6) the present invention utilizes low-flash bumping technology, removes the peculiar smell in linseed oil grease; Peculiar smell in linseed oil derives from low molecule aldehydes in linseed oil and free fatty acids; Tradition hot moulding technique and extraction technique, utilize heat treated and refining process, eliminate peculiar smell; Present invention process avoids the heating that is harmful to and refining treatment, utilize high vacuum low-flash technology, under linseed oil being heated to the temperature of 50-70 DEG C, under being exposed to high vacuum condition immediately, make the unexpected bumping of linseed oil, the aldehyde material letones of rapid removal wherein in peculiar smell, and produce the free fatty acids of peculiar smell, and ensure that nutritive substance loss is wherein little; (6) in the high-quality grease that the present invention produces, because be rich in the natural antioxidantss such as natural VE, do not need in grease storage process additionally to add oxidation inhibitor.
The invention provides the linseed oil production method of decortication of a kind of easy, nutritive value and health care, rational technology, can produce for short run special oil and technical support is provided, be suitable for promoting in edible fat production technical field.
Embodiment
A kind of linseed oil production technique of decortication:
A, airing is carried out to linseed kernel, control water ratio 4%;
B, added by linseed kernel to be peeled in the boiling water of temperature 95 DEG C, amount of water is 9 times of linseed kernel amount, soaks after 4 minutes and is discharged by hot water, draws cool clear water and rinses raspberry in jacketed kettle, remove attached skin with hydraulic giant; Repeated multiple times;
C, food steamer is used by linseed kernel to steam 10min;
D, linseed kernel hydropress is added extrusion crude oil;
Linseed kernel is made cake and puts into hydropress, often squeeze and throw cake 23 pieces, every block is about 5kg, equably pressurized hydraulic low pressure, when making pressure to 115MPa, low pressure is transferred to high pressure, uniform pressurization to during 285MPa, during squeezing, can not too soon, in order to avoid cake slag oozes out;
E, select the hyperfiltration film of suitable molecular weight cut-off 110kD, hyperfiltration process being carried out to grease, removing lipoxygenase wherein, when not adding oxidation inhibitor, the preservation period of oil can be extended; Filter after crude oil precipitation 36h, obtain processed oil;
F, uv irradiating, the linseed oil after filtration flows through the irradiating unit that ultraviolet lamp is settled in top, and irradiation dose is 356J/m2, and irradiation time is 16 seconds;
G, cryogenic vacuum bumping remove fishy smell, and uv irradiating kills the linseed oil after enzyme, are heated to 65 DEG C, for subsequent use; Open the heating unit of vacuum tank, in tank, temperature maintains 86 DEG C, start vacuum pump, the absolute pressure in vacuum tank drops to below 400Pa, opens feed valve, suck the linseed oil heated, make the hot linseed oil moment bumping entered, remove fishy smell, control inlet amount, keep feed temperature 86 DEG C in vacuum tank, absolute pressure is no more than 400Pa; After charging, operational condition is constant, continues process 8min.
The present invention can be used for special oil and produces, and is applicable to nutritive value and health care's edible fat production, accomplishes pollution-free, less energy-consumption.
Claims (1)
1. produce a working method for decortication linseed oil, it is characterized in that comprising the steps:
A, airing is carried out to linseed oil, control water ratio 3%-5%;
B, the linseed kernel of A, process is added in the boiling water of temperature 90-100 DEG C, amount of water be the 4-10 of linseed kernel amount doubly, soaks after 3-5 minute and hot water is discharged, draw the linseed kernel in cool clear water flushing jacketed kettle with hydraulic giant, remove attached skin; Repeated multiple times;
C, use food steamer to steam 10min the linseed kernel of B, process, improve the fragrance of linseed oil and oil yield;
D, the linseed kernel hydropress of C, process is added extrusion crude oil; Linseed kernel is made cake and puts into hydropress, often squeeze and throw cake 20-25 block, every block is about 4-6kg, equably pressurized hydraulic low pressure, when making pressure be pressed onto 110-120MPa, low pressure is transferred to high pressure, and uniform pressurization is to during 280-300MPa, during squeezing, can not be too fast, in order to avoid cake slag oozes out;
E, hyperfiltration remove lipoxygenase, select the hyperfiltration film of molecular weight cut-off 80-120kD, carry out hyperfiltration process to the linseed oil after filtering;
F, uv irradiating, the linseed oil after filtration flows through the irradiating unit that ultraviolet lamp is settled in top, and irradiation dose is 300-400J/m2, and irradiation time is 10-20 second;
G, cryogenic vacuum bumping remove fishy smell, and uv irradiating kills the linseed oil after enzyme, is heated to 50-70 DEG C, for subsequent use; Open the heating unit of vacuum tank, in tank, temperature maintains 80-90 DEG C, start vacuum pump, the absolute pressure in vacuum tank drops to below 400Pa, opens feed valve, suck the linseed oil heated, make the hot raspberry seed oil moment bumping entered, remove fishy smell, control inlet amount, keep feed temperature 80-90 DEG C in vacuum tank, absolute pressure is no more than 400Pa; After charging, operational condition is constant, continues process 5-10min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510480644.XA CN105038957A (en) | 2015-08-09 | 2015-08-09 | Peeled linseed oil production technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510480644.XA CN105038957A (en) | 2015-08-09 | 2015-08-09 | Peeled linseed oil production technology |
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| CN105038957A true CN105038957A (en) | 2015-11-11 |
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| CN201510480644.XA Pending CN105038957A (en) | 2015-08-09 | 2015-08-09 | Peeled linseed oil production technology |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107164086A (en) * | 2017-06-28 | 2017-09-15 | 四川省农业科学院农产品加工研究所 | One kind decortication hot moulding method, edible oil |
| CN107619716A (en) * | 2017-01-22 | 2018-01-23 | 李石平 | A kind of method of bitter substance in removal linseed oil |
| CN110655976A (en) * | 2019-11-04 | 2020-01-07 | 宁夏君星坊食品科技有限公司 | Low-temperature pulping and cake-making cold-pressing process for linseed oil |
-
2015
- 2015-08-09 CN CN201510480644.XA patent/CN105038957A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107619716A (en) * | 2017-01-22 | 2018-01-23 | 李石平 | A kind of method of bitter substance in removal linseed oil |
| CN107619716B (en) * | 2017-01-22 | 2023-04-07 | 李石平 | Method for removing bitter substances in linseed oil |
| CN107164086A (en) * | 2017-06-28 | 2017-09-15 | 四川省农业科学院农产品加工研究所 | One kind decortication hot moulding method, edible oil |
| CN110655976A (en) * | 2019-11-04 | 2020-01-07 | 宁夏君星坊食品科技有限公司 | Low-temperature pulping and cake-making cold-pressing process for linseed oil |
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