CN104987948A - Improved freshness retaining squeezing method - Google Patents
Improved freshness retaining squeezing method Download PDFInfo
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- CN104987948A CN104987948A CN201510362080.XA CN201510362080A CN104987948A CN 104987948 A CN104987948 A CN 104987948A CN 201510362080 A CN201510362080 A CN 201510362080A CN 104987948 A CN104987948 A CN 104987948A
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Abstract
The invention discloses an improved freshness retaining squeezing method. The improved freshness retaining squeezing method comprises raw material screening, embryonic squeezing, cooking, squeezing, filtering and postprocessing, and specifically comprises the following steps that firstly, raw material screening is conducted; secondly, embryonic squeezing is conducted, wherein oilseeds are husked, broken, softened and squeezed into embryonic sheets; thirdly, cooking is conducted, wherein the embryonic sheets are steamed and then baked; fourthly, squeezing is conducted, wherein the embryonic sheets are added into an oil press, crude oil is squeezed out, crude oil precipitates, and impurities are removed; fifthly, filtering is conducted, wherein fine filtering, low-temperature anhydrous dephosphorizing and centrifugal treating are carried out, and oil liquid on the upper layer is taken; sixthly, postprocessing is conducted, wherein aflatoxin is removed, nitrogen charging freshness retaining is conducted, and constant-temperature storing is conducted. According to the improved freshness retaining squeezing method, a pure kernel physical squeezing oil making method is adopted, nutrition in the oil material can be completely retained in finished grease, no chemical solvent is adopted in the whole production process, the problem that oil is polluted chemically is avoided, and the natural green, nutrition, health, aromatic flavor of the finished oil are ensured; nitrogen charging freshness retaining is adopted, storage and transportation are facilitated, and oxidation is prevented.
Description
[technical field]
The present invention relates to the technical field, particularly a kind of technical field improving fresh-keeping pressing method of oil product squeezing.
[background technology]
Existing each large and medium-sized grease company produces main employing at grease and squeezes and extract technology.First obtain the crude oil that impurity is more, then obtain edible refining oil through refining.
The complete processing of pressed oil is " physical squeezing method ", and the complete processing leaching oil is " Chemical Leaching method ".Leaching organic solvent extraction, carries out extracting after fully being combined by oil plant organic solvent, then, solvent and the mixing oil that forms of fat is separated, recycling design and obtain crude oil.Therefore the organism difficulties such as the hexane of the toxic effect of human body are removed completely, only have concise reach very strict standard after, could be relieved edible, otherwise, be easy to produce damaging effect to human body; Because lixiviation process oil yield is high, except part soybean oil be produced by squeezing process except, most of Semen setariae oil, soybean oil, cottonseed wet goods all adopt lixiviation process processing and manufacturing substantially.Lixiviation process liquefaction has the advantage that Residual oil in the dregs of rice is low, labour intensity is low, but the crude oil leached will through de-cured, come unstuck, dewater, deodorization, depickling, could to eat after the chemical treatment such as decolouring.Due to through multiple tracks chemical treatment, the part natural component in grease is destroyed, and has dissolvent residual.
The manufacturing technique requirent raw material of physical squeezing method is selected, oil plant carries out fragmentation, steams stir-fry, extrudes after impurity elimination, de-stone, allows grease separate from oil plant, adds and fry seed in expressing process, after crusher presses, high-tech natural filter purification techniques is adopted to make.Maintain the genuineness of oil product, strong and brisk in taste, rich in vitamin E, long quality-guarantee period, and without any additive, not containing dissolvent residual and saponified matter content.
Although cold press and hot moulding technique can ensure the local flavor of oil plant own in existing squeezing process, residual oil content is all very high, and can not long-period freshness preserving.
[summary of the invention]
Object of the present invention solves the problems of the prior art exactly, and propose the fresh-keeping pressing method of a kind of improvement, adopt pure benevolence physical squeezing method of making oil, anhydrous dephosphorization, nitrogen-charging fresh-keeping, guarantees processed oil natural green, nutrient health, aromatic flavour.
For achieving the above object, the present invention proposes the fresh-keeping pressing method of a kind of improvement, comprise raw material screening process, squeezing embryo, steam stir-fry, squeezing, filtration, aftertreatment, concrete steps are as follows:
(a)
Raw material screening process: choose particle fuller, without the rotten oil grain that goes rotten, cleans up, then removes impurity through cleaning sieve, and magnetic separator is carefully cleared up;
(b)
Squeeze embryo: peeling of being peeled off by oil grain, carry out fragmentation, adopt microwave frequency measurment technology to carry out radiation treatment to the oil grain pulverized, then soften, put into squeezing embryo machine afterwards and squeeze embryo, the squeeze by moment time middle by two rollers forms embryo sheet;
(c)
Steam and fry: embryo sheet is put into steamer and steams, temperature 100 ~ 120 DEG C, steam 5 ~ 10 minutes, roast after steaming, send into and roast pot by steaming saturating embryo sheet and heat and roast, roasting pot temperature is 120 ~ 180 DEG C, 15 ~ 20 minutes time, stirring-type roasts, and embryo sheet is heated evenly, and drop temperature is 120 DEG C;
(d)
Squeezing: the embryo sheet after frying carries out cooling, when embryo sheet temperature reduces to 70 DEG C, adds screw oil expeller oil expression, crude oil of squeezing out by embryo sheet, removing crude oil with macrobead grouts after, then carry out crude oil precipitation, precipitation removes thin impurity;
(e)
Filter: the crude oil removing thin impurity uses fine filtering device to remove impurity further, fine filtering, is stirred by crude oil, carries out low-temperature anhydrous dephosphorization, then put into supercentrifuge centrifugal treating, get the fluid that upper strata clear yellow is transparent;
(f)
Aftertreatment: put into by fluid in the device removing flavacin, remove flavacin and obtain processed oil, processed oil nitrogen-charging fresh-keeping, constant temperature stores.
As preferably, in described step (a), oil grain is peanut, sunflower seeds, vegetable seed, cottonseed, sesame, tea seed; Cleaning sieve is 10 object screen clothes.
As preferably, in described step (b), soften 30 minutes, drop temperature 50 ~ 60 DEG C, during discharging, expect that in embryo, moisture content is 6 ~ 12%.
As preferably, in described step (b), adopt microwave exposure action time to be 20 ~ 40s, microwave intensity is medium-to-high grade; The embryo sheet thickness squeezing embryo is 5 ~ 8mm.
As preferably, in described step (e), crude oil mixing speed 30 ~ 50r/min, low-temperature anhydrous dephosphorization method is for import flame filter press press filtration by crude oil, and temperature condition is 18 DEG C ~ 22 DEG C.
As preferably, in described step (e), fine filtering uses filter screen to be that the vertical secondary filter of 20 μm filters, and the rotating speed of supercentrifuge is 5000r/min, and the centrifugation time is 10 ~ 15min.
As preferably, in described step (f), the device removing flavacin is ultraviolet ray generating apparatus and ultraviolet light degradation device.
As preferably, in described step (f), nitrogen-charging fresh-keeping comprises opens storage tank nitrogen protecting system, processed oil is inputted nitrogen constant voltage storage tank and stores, nitrogen pressure 0.1Mpa ~ 0.03Mpa.
Beneficial effect of the present invention:
1, in the world, producing edible oil is Chemical Leaching mostly, high temperature refinery.Easily cause dissolvent residual.And the oil of pure physical squeezing explained hereafter, owing to being the squeezing of pure physical mechanical, only squeeze Normal juice, not with any organic solvent exposure, avoid the problem of chemical pollution oil product, without any pollution, fundamentally ensure that the safety of product, nutrition.
2, peel off and reduce wearing and tearing to production unit, improve production efficiency of equipment, improve oil pump capacity, microwave frequency measurment, the broken embryo that squeezes destroy cell tissue structure to greatest extent, and the oil droplet of original high dispersing is condensed in a large number, and microwave frequency measurment is in conjunction with mechanical cell wall breaking, intracellular grease is made to be in unbound state completely, to improve oil yield, increase material table area simultaneously, be convenient to that follow-up to carry out fully squeezing fuel-displaced.
3, uniquely roast technique, excite and remain the former perfume (or spice) of oil grain.
4, the method for existing dephosphorization fat substantially all uses and adds water hydratable dephosphorization fat, and many aromatic compounds all can be dissolved in water, reduces fragrance, the mode of the present invention's physics processes, low temperature lasting, without high temperature dephosphorization, both can filter out all objectionable impuritiess, can nutritive ingredient be retained again.
5, add the device removing flavacin, nitrogen-charging fresh-keeping, be convenient to store and transport, anti-oxidation.
Feature of the present invention and advantage will be described in detail by embodiment.
[embodiment]
The fresh-keeping pressing method of the present invention's one improvement, comprise raw material screening process, squeezing embryo, steam stir-fry, squeezing, filtration, aftertreatment, concrete steps are as follows:
(a)
Raw material screening process: choose particle fuller, without the rotten oil grain that goes rotten, cleans up, then removes impurity through cleaning sieve, and magnetic separator is carefully cleared up;
(b)
Squeeze embryo: peeling of being peeled off by oil grain, carry out fragmentation, adopt microwave frequency measurment technology to carry out radiation treatment to the oil grain pulverized, then soften, put into squeezing embryo machine afterwards and squeeze embryo, the squeeze by moment time middle by two rollers forms embryo sheet;
(c)
Steam and fry: embryo sheet is put into steamer and steams, temperature 100 ~ 120 DEG C, steam 5 ~ 10 minutes, roast after steaming, send into and roast pot by steaming saturating embryo sheet and heat and roast, roasting pot temperature is 120 ~ 180 DEG C, 15 ~ 20 minutes time, stirring-type roasts, and embryo sheet is heated evenly, and drop temperature is 120 DEG C;
(d)
Squeezing: the embryo sheet after frying carries out cooling, when embryo sheet temperature reduces to 70 DEG C, adds screw oil expeller oil expression, crude oil of squeezing out by embryo sheet, removing crude oil with macrobead grouts after, then carry out crude oil precipitation, precipitation removes thin impurity;
(e)
Filter: the crude oil removing thin impurity uses fine filtering device to remove impurity further, fine filtering, is stirred by crude oil, carries out low-temperature anhydrous dephosphorization, then put into supercentrifuge centrifugal treating, get the fluid that upper strata clear yellow is transparent;
(f)
Aftertreatment: put into by fluid in the device removing flavacin, remove flavacin and obtain processed oil, processed oil nitrogen-charging fresh-keeping, constant temperature stores.
Embodiment:
The first step, raw material screening process: choose particle fuller, without the rotten peanut seed that goes rotten, clean up, then remove impurity through cleaning sieve, and cleaning sieve is 10 object screen clothes, and magnetic separator is carefully cleared up;
Second step, squeezing embryo: peeling that oil grain is peeled off, carry out fragmentation, adopt microwave frequency measurment technology to carry out radiation treatment to the peanut seed pulverized, adopt microwave exposure action time to be 25s, microwave intensity is medium-to-high grade, then soften, softening 30 minutes, drop temperature 60 DEG C, expect during discharging that in embryo, moisture content is 9%, put into squeezing embryo machine afterwards and squeeze embryo, form embryo sheet by time in the middle of two rollers by squeeze instantaneously, the embryo sheet thickness of squeezing embryo is 7mm;
3rd step, steaming are fried: embryo sheet is put into steamer and carries out, temperature 102 DEG C, steams 10 minutes, roast after steaming, send into and roast pot by steaming saturating embryo sheet and heat and roast, roasting pot temperature is 160 DEG C, 20 minutes time, stirring-type roasts, and embryo sheet is heated evenly, and drop temperature is 120 DEG C;
4th step, squeezing: the embryo sheet after frying carries out cooling, when embryo sheet temperature reduces to 70 DEG C, add screw oil expeller oil expression, crude oil of squeezing out by embryo sheet, removing crude oil with macrobead grouts after, then carry out crude oil precipitation, precipitation removes thin impurity;
5th step, filtration: the crude oil removing thin impurity uses fine filtering device to remove impurity further, fine filtering, fine filtering use filter screen is that the vertical secondary filter of 20 μm filters, crude oil is stirred, crude oil mixing speed 50r/min, carry out low-temperature anhydrous dephosphorization, low-temperature anhydrous dephosphorization method is for import flame filter press press filtration by crude oil, temperature condition is 20 DEG C, put into supercentrifuge centrifugal treating again, the rotating speed of supercentrifuge is 5000r/min, and the centrifugation time is 10min, gets the fluid that upper strata clear yellow is transparent;
6th step, aftertreatment: fluid is put in the device removing flavacin; the device removing flavacin is ultraviolet ray generating apparatus and ultraviolet light degradation device; remove flavacin and obtain processed oil; processed oil nitrogen-charging fresh-keeping; nitrogen-charging fresh-keeping comprises opens storage tank nitrogen protecting system; processed oil is inputted nitrogen constant voltage storage tank to store, nitrogen pressure 0.05Mpa, constant temperature stores.
The present invention, adopt pure benevolence physical squeezing method of making oil, comprehensive nutrition in oil plant can be retained in the middle of finished product grease, whole production process does not adopt any chemical solvents, also not containing any Chemical Preservative and antioxidant, avoid the problem of chemical pollution oil product, fundamentally ensure that the safety of product, nutrition.Guarantee processed oil natural green, nutrient health, aromatic flavour, microwave frequency measurment, the broken embryo that squeezes destroy cell tissue structure to greatest extent, the oil droplet of original high dispersing is condensed in a large number, microwave frequency measurment is in conjunction with mechanical cell wall breaking, intracellular grease is made to be in unbound state completely, to improve oil yield, increase material table area simultaneously, be convenient to that follow-up to carry out fully squeezing fuel-displaced.Unique roasts technique, excites and remain the former perfume (or spice) of oil grain.Anhydrous dephosphorization, low temperature lasting, processes by the mode of physics, without high temperature dephosphorization, both can filter out all objectionable impuritiess, and can retain nutritive ingredient again.Add the device removing flavacin, nitrogen-charging fresh-keeping, be convenient to store and transport, anti-oxidation.
Above-described embodiment is to explanation of the present invention, is not limitation of the invention, anyly all belongs to protection scope of the present invention to the scheme after simple transformation of the present invention.
Claims (8)
1. the fresh-keeping pressing method of improvement, comprise raw material screening process, squeezing embryo, steam stir-fry, squeezing, filtration, aftertreatment, concrete steps are as follows:
(a)
Raw material screening process: choose particle fuller, without the rotten oil grain that goes rotten, cleans up, then removes impurity through cleaning sieve, and magnetic separator is carefully cleared up;
(b)
Squeeze embryo: peeling of being peeled off by oil grain, carry out fragmentation, adopt microwave frequency measurment technology to carry out radiation treatment to the oil grain pulverized, then soften, put into squeezing embryo machine afterwards and squeeze embryo, the squeeze by moment time middle by two rollers forms embryo sheet;
(c)
Steam and fry: embryo sheet is put into steamer and steams, temperature 100 ~ 120 DEG C, steam 5 ~ 10 minutes, roast after steaming, send into and roast pot by steaming saturating embryo sheet and heat and roast, roasting pot temperature is 120 ~ 180 DEG C, 15 ~ 20 minutes time, stirring-type roasts, and embryo sheet is heated evenly, and drop temperature is 120 DEG C;
(d)
Squeezing: the embryo sheet after frying carries out cooling, when embryo sheet temperature reduces to 70 DEG C, adds screw oil expeller oil expression, crude oil of squeezing out by embryo sheet, removing crude oil with macrobead grouts after, then carry out crude oil precipitation, precipitation removes thin impurity;
(e)
Filter: the crude oil removing thin impurity uses fine filtering device to remove impurity further, fine filtering, is stirred by crude oil, carries out low-temperature anhydrous dephosphorization, then put into supercentrifuge centrifugal treating, get the fluid that upper strata clear yellow is transparent;
(f)
Aftertreatment: put into by fluid in the device removing flavacin, remove flavacin and obtain processed oil, processed oil nitrogen-charging fresh-keeping, constant temperature stores.
2. the fresh-keeping pressing method of a kind of improvement as claimed in claim 1, it is characterized in that: in described step (a), oil grain is peanut, sunflower seeds, vegetable seed, cottonseed, sesame, tea seed; Cleaning sieve is 10 object screen clothes.
3. the fresh-keeping pressing method of a kind of improvement as claimed in claim 1, is characterized in that: in described step (b), softening 30 minutes, drop temperature 50 ~ 60 DEG C, expects that in embryo, moisture content is 6 ~ 12% during discharging.
4. as claimed in claim 1 a kind of improve fresh-keeping pressing method, it is characterized in that: in described step (b), adopt microwave exposure action time to be 20 ~ 40s, microwave intensity is medium-to-high grade; The embryo sheet thickness squeezing embryo is 5 ~ 8mm.
5. the fresh-keeping pressing method of a kind of improvement as claimed in claim 1, it is characterized in that: in described step (e), crude oil mixing speed 30 ~ 50r/min, low-temperature anhydrous dephosphorization method is for import flame filter press press filtration by crude oil, and temperature condition is 18 DEG C ~ 22 DEG C.
6. the fresh-keeping pressing method of a kind of improvement as claimed in claim 1, it is characterized in that: in described step (e), fine filtering use filter screen is that the vertical secondary filter of 20 μm filters, and the rotating speed of supercentrifuge is 5000r/min, and the centrifugation time is 10 ~ 15min.
7. the fresh-keeping pressing method of a kind of improvement as claimed in claim 1, is characterized in that: in described step (f), and the device removing flavacin is ultraviolet ray generating apparatus and ultraviolet light degradation device.
8. the fresh-keeping pressing method of a kind of improvement as claimed in claim 1; it is characterized in that: in described step (f); nitrogen-charging fresh-keeping comprises opens storage tank nitrogen protecting system, processed oil is inputted nitrogen constant voltage storage tank and stores, nitrogen pressure 0.1Mpa ~ 0.03Mpa.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105542941A (en) * | 2016-01-23 | 2016-05-04 | 巢湖瑞丰油脂有限公司 | Preprocessing method for squeezing sesame oil |
| CN107022407A (en) * | 2017-03-24 | 2017-08-08 | 合肥云都棉花有限公司 | A kind of preparation method of cottonseed oil |
| CN108497101A (en) * | 2018-02-28 | 2018-09-07 | 广东工业大学 | A kind of anti-oxidation edible oil and preparation method thereof |
| CN108998207A (en) * | 2018-08-07 | 2018-12-14 | 河南正花食品集团有限公司 | A kind of oil expression method preventing peanut oxidative rancidity |
| CN109054999A (en) * | 2018-09-10 | 2018-12-21 | 吉林出彩农业产品开发有限公司 | A kind of roasting flavor soybean oil and its pressing method |
| CN112111322A (en) * | 2020-08-26 | 2020-12-22 | 冀中能源邢台矿业集团有限责任公司油脂分公司 | Production process of electromagnetic stir-fried peanut oil |
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| CN103710138A (en) * | 2013-05-29 | 2014-04-09 | 安康市农业科学研究所 | Decaisnea insignis seed oil extraction method |
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| CN104312719A (en) * | 2014-09-30 | 2015-01-28 | 江西绿杉油脂有限公司 | Production technique of tea oil |
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| CN103666745A (en) * | 2012-09-14 | 2014-03-26 | 李宁 | Microwave squeezing process of edible oil |
| CN103710138A (en) * | 2013-05-29 | 2014-04-09 | 安康市农业科学研究所 | Decaisnea insignis seed oil extraction method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105542941A (en) * | 2016-01-23 | 2016-05-04 | 巢湖瑞丰油脂有限公司 | Preprocessing method for squeezing sesame oil |
| CN107022407A (en) * | 2017-03-24 | 2017-08-08 | 合肥云都棉花有限公司 | A kind of preparation method of cottonseed oil |
| CN108497101A (en) * | 2018-02-28 | 2018-09-07 | 广东工业大学 | A kind of anti-oxidation edible oil and preparation method thereof |
| CN108998207A (en) * | 2018-08-07 | 2018-12-14 | 河南正花食品集团有限公司 | A kind of oil expression method preventing peanut oxidative rancidity |
| CN109054999A (en) * | 2018-09-10 | 2018-12-21 | 吉林出彩农业产品开发有限公司 | A kind of roasting flavor soybean oil and its pressing method |
| CN112111322A (en) * | 2020-08-26 | 2020-12-22 | 冀中能源邢台矿业集团有限责任公司油脂分公司 | Production process of electromagnetic stir-fried peanut oil |
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Application publication date: 20151021 |