CN102002427A - Preparation method of peanut germ oil - Google Patents
Preparation method of peanut germ oil Download PDFInfo
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- CN102002427A CN102002427A CN 201010590286 CN201010590286A CN102002427A CN 102002427 A CN102002427 A CN 102002427A CN 201010590286 CN201010590286 CN 201010590286 CN 201010590286 A CN201010590286 A CN 201010590286A CN 102002427 A CN102002427 A CN 102002427A
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Abstract
The invention relates to a preparation method of peanut germ oil. The preparation method comprises: 1) a process of separating and extracting germ; 2) a process of hardening and tempering at a low temperature; 3) a process of physically pressing; and 4) a process of physically refining at a low temperature. The germ for preparing the peanut germ oil by the technology of the invention is separated from the seed leaves while a peanut kernel is made into half particles by removing the red skin at a low temperature; the material germ is subject to low-temperature hardening and tempering, and then fat in the germ is separated by two low-temperature pure physical cold pressing processes and a completely physical mechanical extrusion method; and finally, the peanut germ oil is prepared by a physical refining method combining low-temperature drying and multi-layer vegetable fiber filtering, wherein the natural components of the fat in the germ are maintained relatively well. Through the invention, the physiological activators in the oil are protected from being damaged to the greatest degree, and the shortcoming of short shelf life of cold pressed oil is overcome at the same time.
Description
Technical field
The present invention relates to the vegetable oil production field, specifically, relate to a kind of preparation method of peanut germ oil.
Background technology
Along with growth in the living standard, people also day by day improve for the requirement of the edible oil in the daily life: rise to from single pursuit delicious food and be beneficial to self health, provide energy lift to comprehensive nutrition by simple.Plumule is the nutrition treasure-house and the elite of plant seed, though account for the seldom part of kernel weight, its contained nutritive ingredient is quite abundant.Peanut oil is one of daily edible oil of liking the most of people, and the peanut germ oil that the peanut plumule refines is elite place wherein.Peanut germ oil ideal extraction process should be to extract the edible part on the basis of not destroying the germ oil nutritive ingredient to greatest extent.At present the plumule extractive technique is fairly simple, causes the plumule purity extracted not high, and plumule real in the so-called plumule raw material can only account for about 60%, and disintegrating slag and scarlet powder are more, influence plumule cast of oil and mouthfeel.The extraction of peanut oil and other edible germ oil mainly is to fry embryo high temperature squeezing process (120 ℃) and organic solvent extracting technology in addition, though oil yield is than higher, but also can cause the loss of liposoluble vitamin, and can make the original fragrance of peanut can Yin Gaowen and be damaged; The crude oil that lixiviate is come out is impure more, and color and luster is darker, and is second-rate.
Summary of the invention
The present invention is directed to the problems referred to above, a kind of preparation method of new type low temperature cold press peanut germ oil has been proposed, at first solved the complete isolation technique of plumule, guaranteed the purity of raw material, the grease isolation technique greatly reduces the destruction of the original nutritive ingredient of peanut plumule simultaneously, guarantee the complete reservation of monounsaturated fatty acids, various VITAMIN, mineral substance and trace element, guaranteed the reservation of peanut nut natural faint scent, can guarantee higher oil yield simultaneously.
Technical scheme of the present invention is: a kind of preparation method of peanut germ oil may further comprise the steps:
1) separation of plumule and abstraction process: at first,, deliver to high hopper through conveying auger and lift by being cooled to skin temperature 18-25 ℃ behind the vibrated fluidized bed rapidly with the specification Semen arachidis hypogaeae oven dry of selecting for use; Semen arachidis hypogaeae in the feed bin flows automatically to half machine hopper of decortication through the spreader plate uniform distribution, sloughs the scarlet of Semen arachidis hypogaeae epidermis in half machine earlier, and plumule and two cotyledons separate then, and last plumule enters bunker for collecting through vibratory screening apparatus;
2) the modified operation of low temperature: plumule is delivered to the quality-adjusting device of cold pressing expeller by delivery system, through plumule being added water, heating that it is modified to carry out;
3) physical squeezing operation: the modified back feeding of plumule twin shaft oil press zhai, carry out physical squeezing one time; It is temporary that a peanut plumule crude oil that forms flows into fuel tank, a peanut cake is through conveying auger feeding single shaft oil press zhai, rotation and conveying along with screw rod, finish the secondary physical squeezing, the secondary plumule crude oil that forms flows into fuel tank to be mixed with a crude oil, filter through leaf-type filter, behind the most of thick slag of elimination, enter in the vacuum-drying still;
4) low-temperature physics refining procedure: a. vacuumizes the vacuum-drying still and heats then and stir drying; B. crude oil filters through 4 layers of vegetable fibre of twice normal temperature, and percentage of admixture is controlled in 0.05%; C. crude oil is refrigerated to 12 ℃, is evacuated to storage tank,, fill with using nitrogen gas to seal off in the hold-up vessel simultaneously, with anti-oxidation with static 6 months of germ oil constant temperature in jar by geared oil pump; D. a jar interior crude oil was extracted out by geared oil pump after 6 months, and the crude oil of extraction filters through 5 layers of vegetable fibre, promptly obtains the finished product germ oil.
Preferably: the described oven dry of step 1) is to carry out under 60-75 ℃ 25-35 minute, makes Semen arachidis hypogaeae oven dry back moisture at 4.3-5.6%.
Preferably: three rubber rolls are selected attrition resistant silastic material for use in half machine equipment of the described decortication of step 1); three rubber rolls are " product " word shape and arrange; below two rubber roll gaps at 3-5mm; the feed end gap is at 8-12mm; the discharge end gap is at 10-11mm, and parallel misalignment is no more than 0.10mm between three rubber rolls.
Preferably: plumule is delivered to lift by conveying auger before the modified operation of described low temperature, dropping when lift enters the mouth through air inducing for the second time, collects remaining dust and thin slag.
Preferably: after the modified operation of described low temperature temperature of charge 50-58 ℃, moisture 12%-18% stopped 40-50 minute at quality-adjusting device.
Preferably: a described peanut cake is blended into the particle of 0.5mm in the process of carrying, and is fed in modified pot of the secondary, add water, heat modified after, temperature 55-60 ℃, moisture 7%-9%.
Preferably: being evacuated to vacuum tightness in the described low-temperature physics refining procedure is 0.090Mpa-1.100Mpa, heats then to 85 ℃, stirs dry 2.5-3 hour, and moisture is no more than 0.05% in the crude oil of dry back.
Preferably: described geared oil pump oil pick-up tube position is from pot bottom height 15cm place.
Preferably: the crude oil of described storage tank bottom is drawn back rectification systems at last and is processed.
The invention has the beneficial effects as follows: the selected plumule of peanut germ oil that the technology of the present invention is produced, be to remove scarlet at Semen arachidis hypogaeae low temperature to make and realized in half separating of peanut plumule and cotyledon, adopt the modified material embryo of low temperature then, through the pure physics cold-squeezing of twice low temperature, the method of complete physical mechanical extruding, realize that the grease in the plumule separates, filter the physical refining method that combines by the cryodrying dehydration with the multilayer vegetable fibre at last, produce the peanut germ oil, guaranteed greasy natural component in the plumule preferably.After testing, be rich in various trace elements such as palmitinic acid, arachidonic acid, Lignoceric acid and mountain Yu acid, trans-resveratrol, beta plant sterol, folic acid, zinc, vitamin-E in the peanut germ oil, particularly content of vitamin E is up to 72mg/100g, it is a kind of natural antioxidants, can delaying human body caducity, have high nutritive value.The physiologically active substance that the technology of the present invention can keep in the oil to greatest extent is not damaged, and has solved the drawback of pressed oil quality guaranteed period shortening simultaneously.
Description of drawings
Accompanying drawing 1 is half machine rubber roll of decortication location diagram of the specific embodiment of the invention.
Embodiment
The specific embodiment of the present invention is as follows: a kind of preparation method of peanut germ oil may further comprise the steps:
1) separation of plumule and abstraction process: at first the specification Semen arachidis hypogaeae Semen arachidis hypogaeae of selecting for use was being dried 25-35 minute below 60-75 ℃, make Semen arachidis hypogaeae oven dry back moisture at 4.3-5.6%, by being cooled to skin temperature 18-25 ℃ behind the vibrated fluidized bed rapidly, deliver to high hopper through conveying auger and lift; Semen arachidis hypogaeae in the feed bin is through the spreader plate uniform distribution, flow automatically to half machine hopper of decortication, three rubber rolls of peeling in half machine equipment are selected attrition resistant silastic material for use, three rubber rolls are " product " word shape and arrange, below two rubber roll gaps at 3-5mm, the feed end gap is at 8-12mm, and the discharge end gap is at 10-11mm, and parallel misalignment is no more than 0.10mm between three rubber rolls; The belt leather Semen arachidis hypogaeae is along with rubber roll constantly rotates, as shown in Figure 1, feed changeing from the space of top rubber roll and the formation of feed end rubber roll, the Semen arachidis hypogaeae nature is along with rotation, the most of scarlet in surface is taken off owing to be subjected to the spin friction of rubber roll, Semen arachidis hypogaeae moves on by top rubber roll and the less gap of discharge end rubber roll afterwards, frictional force further increases herein, slough the remaining scarlet of Semen arachidis hypogaeae epidermis, simultaneously between two rubber rolls because of pullling power with the fricative level of Semen arachidis hypogaeae, moment is twisted into two halves with whole grain Semen arachidis hypogaeae, plumule separates with two cotyledons when Semen arachidis hypogaeae is opened by stranding, pass through then under following two rubber roll gap rotating fluids, having induced draft fan to produce certain air quantity in the process that continues to drop siphons away fine dusts in the plumule and residual scarlet, last plumule enters bunker for collecting through vibratory screening apparatus, finishes the separation and the extraction of plumule;
2) plumule is delivered to lift by conveying auger, dropping when lift enters the mouth through air inducing for the second time, collects remaining dust and thin slag;
3) the modified operation of low temperature: plumule is delivered to the quality-adjusting device of cold pressing expeller by delivery system, through plumule being added water, heats that it is modified to carry out, and 50-58 ℃ of modified back temperature of charge, moisture 12%-18% stopped 40-50 minute at quality-adjusting device.；
4) physical squeezing operation: the modified back feeding of plumule twin shaft oil press zhai, carry out physical squeezing one time; It is temporary that a peanut plumule crude oil that forms flows into fuel tank, one time peanut cake is carried through conveying auger, in the process of carrying, blended into the particle of 0.5mm, be fed in the modified pot of secondary, add water, heat modified after, temperature 55-60 ℃, moisture 7%-9%, feed the single shaft oil press zhai subsequently,, finish the secondary physical squeezing along with the rotation and the conveying of screw rod, the secondary plumule crude oil that forms flows into fuel tank to be mixed with a crude oil, filter through leaf-type filter, behind the most of thick slag of elimination, enter in the vacuum-drying still;
5) the vacuum-drying still is evacuated to vacuum tightness is 0.090Mpa-1.100Mpa to low-temperature physics refining procedure: a., heats then to 85 ℃, stirs dry 2.5-3 hour, and moisture is no more than 0.05% in the crude oil of dry back; B. crude oil filters through 4 layers of vegetable fibre of twice normal temperature, and percentage of admixture is controlled in 0.05%; C. crude oil is refrigerated to 12 ℃, is evacuated to storage tank,, fill with using nitrogen gas to seal off in the hold-up vessel simultaneously, with anti-oxidation with static 6 months of germ oil constant temperature in jar by geared oil pump; D. jar a crude oil was extracted out by geared oil pump after 6 months in, and the oil pick-up tube position is from pot bottom height 15cm place, and the crude oil of extraction filters through 5 layers of vegetable fibre, promptly obtains the finished product germ oil, and the crude oil of tank bottom is drawn back rectification systems at last and processed.
Specific embodiment one: 1.9 tons in the little white sand Semen arachidis hypogaeae of screening back specification (35-40) through 72 ℃ of bakings 30 minutes, is cooled to 20 ℃ of skin temperatures, through half machine plumule is separated with cotyledon, collect the peanut plumule, plumule accounting example 96.4%, be delivered in the quality-adjusting device, add water, heat modified after, 56 ℃ of temperature, moisture 13.2%, squeezing in the feeding twin shaft oil press zhai, obtain peanut cake with a crude oil, with peanut cake grain add water heat modified after, feeding single shaft oil press zhai is finished twice pressing; Make one or two crude oils and mix back coarse filtration, vacuum-drying 3 hours, vacuum tightness 0.097MPA, temperature is 80 ℃, normal temperature is refrigerated to 12 ℃ after filtering, and is evacuated to storage tank and deposits 6 months, filters then, produce 0.84 ton of peanut germ oil, its physical and chemical index is: color and luster yellow 9 is red 1, moisture 0.03%, impurity 0.04%, acid value 0.57mgkoH/kg, peroxide value 0.9meo/kg.
Specific embodiment two: about 2.6 tons of screening back specification (24-28) Semen arachidis hypogaeae through 70 ℃ of bakings 33 minutes, is cooled to 22 ℃ of skin temperatures, through half machine plumule is separated with cotyledon, collect the peanut plumule, plumule accounting example 97.4%, be delivered in the quality-adjusting device, add water, heat modified after, 58 ℃ of temperature, moisture 17.3%, squeezing in the feeding twin shaft oil press zhai, obtain peanut cake with a crude oil, with peanut cake grain add water heat modified after, feeding single shaft oil press zhai is finished twice pressing; Make one or two crude oils and mix back coarse filtration, vacuum-drying 3 hours, vacuum tightness 0.095MPA, temperature is 85 ℃, normal temperature is refrigerated to 12 ℃ after filtering, and is evacuated to storage tank and deposits 6 months, filters then, produce 0.90 ton of peanut germ oil, its physical and chemical index is: color and luster yellow 9 is red 1, moisture 0.04%, impurity 0.04%, acid value 0.47mgkoH/kg, peroxide value 1.0meo/kg.
Below be two parts of survey reports of product peanut germ oil of the present invention.
Peanut germ oil survey report one:
| Date | 10/09/17 |
| Test item | Detected result |
| Color and luster | Yellow 9 red 2 |
| Smell, flavour | Normally |
| Transparency | Clear |
| Moisture | 0.04％ |
| Impurity | 0.02％ |
| Acid value | 0.51mgkoH/kg |
| Peroxide value | 1.1meo/kg |
| VE | 74mg/100g |
| Heat test | Oil colours shoals, no precipitate |
| Remarks | Qualified entirely |
Peanut germ oil survey report two:
| Date | 10/10/8 |
| Test item | Detected result |
| Color and luster | Yellow 9 red 1.5 |
| Smell, flavour | Normally |
| Transparency | Clear |
| Moisture | 0.03％ |
| Impurity | 0.03％ |
| Acid value | 0.69mgkoH/kg |
| Peroxide value | 1.0meo/kg |
| VE | 76mg/100g |
| Heat test | Oil colours shoals, no precipitate |
| Remarks | Qualified entirely |
Claims (9)
1. the preparation method of a peanut germ oil is characterized in that: may further comprise the steps:
1) separation of plumule and abstraction process: at first,, deliver to high hopper through conveying auger and lift by being cooled to skin temperature 18-25 ℃ behind the vibrated fluidized bed rapidly with the specification Semen arachidis hypogaeae oven dry of selecting for use; Semen arachidis hypogaeae in the feed bin flows automatically to half machine hopper of decortication through the spreader plate uniform distribution, sloughs the scarlet of Semen arachidis hypogaeae epidermis in half machine earlier, and plumule and two cotyledons separate then, and last plumule enters bunker for collecting through vibratory screening apparatus;
2) the modified operation of low temperature: plumule is delivered to the quality-adjusting device of cold pressing expeller by delivery system, through plumule being added water, heating that it is modified to carry out;
3) physical squeezing operation: the modified back feeding of plumule twin shaft oil press zhai, carry out physical squeezing one time; It is temporary that a peanut plumule crude oil that forms flows into fuel tank, a peanut cake is through conveying auger feeding single shaft oil press zhai, rotation and conveying along with screw rod, finish the secondary physical squeezing, the secondary plumule crude oil that forms flows into fuel tank to be mixed with a crude oil, filter through leaf-type filter, behind the most of thick slag of elimination, enter in the vacuum-drying still;
4) low-temperature physics refining procedure: a. vacuumizes the vacuum-drying still and heats then and stir drying; B. crude oil filters through 4 layers of vegetable fibre of twice normal temperature, and percentage of admixture is controlled in 0.05%; C. crude oil is refrigerated to 12 ℃, is evacuated to storage tank,, fill with using nitrogen gas to seal off in the hold-up vessel simultaneously, with anti-oxidation with static 6 months of germ oil constant temperature in jar by geared oil pump; D. a jar interior crude oil was extracted out by geared oil pump after 6 months, and the crude oil of extraction filters through 5 layers of vegetable fibre, promptly obtains the finished product germ oil.
2. the preparation method of peanut germ oil as claimed in claim 1 is characterized in that: the described oven dry of step 1) is to carry out under 60-75 ℃ 25-35 minute, makes Semen arachidis hypogaeae oven dry back moisture at 4.3-5.6%.
3. the preparation method of peanut germ oil as claimed in claim 1; it is characterized in that: three rubber rolls are selected attrition resistant silastic material for use in half machine equipment of the described decortication of step 1); three rubber rolls are " product " word shape and arrange; below two rubber roll gaps at 3-5mm; the feed end gap is at 8-12mm; the discharge end gap is at 10-11mm, and parallel misalignment is no more than 0.10mm between three rubber rolls.
4. the preparation method of peanut germ oil as claimed in claim 1, it is characterized in that: plumule is delivered to lift by conveying auger before the modified operation of described low temperature, dropping when lift enters the mouth, collect remaining dust and thin slag through air inducing for the second time.
5. the preparation method of peanut germ oil as claimed in claim 1 is characterized in that: after the modified operation of described low temperature temperature of charge 50-58 ℃, moisture 12%-18% stopped 40-50 minute at quality-adjusting device.
6. the preparation method of peanut germ oil as claimed in claim 1, it is characterized in that: a described peanut cake is blended into the particle of 0.5mm in the process of carrying, and is fed in modified pot of the secondary, add water, heat modified after, temperature 55-60 ℃, moisture 7%-9%.
7. the preparation method of peanut germ oil as claimed in claim 1, it is characterized in that: being evacuated to vacuum tightness in the described low-temperature physics refining procedure is 0.090Mpa-1.100Mpa, heat then to 85 ℃, stirred dry 2.5-3 hour, moisture is no more than 0.05% in the crude oil of dry back.
8. the preparation method of peanut germ oil as claimed in claim 1 is characterized in that: described geared oil pump oil pick-up tube position is from pot bottom height 15cm place.
9. the preparation method of peanut germ oil as claimed in claim 8 is characterized in that: the crude oil of described storage tank bottom is drawn back rectification systems at last and is processed.
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| CN 201010590286 CN102002427A (en) | 2010-12-16 | 2010-12-16 | Preparation method of peanut germ oil |
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| CN 201010590286 CN102002427A (en) | 2010-12-16 | 2010-12-16 | Preparation method of peanut germ oil |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102199484A (en) * | 2011-04-27 | 2011-09-28 | 沈阳农业大学 | Method for preparing ginseng seed oil through cold pressing |
| CN102732376A (en) * | 2012-07-18 | 2012-10-17 | 山东省农业科学院农产品研究所 | Production method of cold pressing peanut and wheat germ compound oil |
| CN102732374A (en) * | 2012-07-18 | 2012-10-17 | 山东省农业科学院农产品研究所 | Production method for coldly squeezing corn and wheat compound embryo oil |
| CN102732377A (en) * | 2012-07-18 | 2012-10-17 | 山东省农业科学院农产品研究所 | Production method for cold pressing compound oil of peanut, corn and wheat germs |
| CN103865634A (en) * | 2014-03-31 | 2014-06-18 | 青岛长寿食品有限公司 | Modifying oil expelling device for preparing peanut germ oil and oil expelling process thereof |
| CN106118859A (en) * | 2016-08-01 | 2016-11-16 | 华宁昌盛工贸有限公司 | Edible oil processing method |
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| CN1597890A (en) * | 2004-08-23 | 2005-03-23 | 隋利华 | Process for extracting peanut oil and producing peanut protein and products thereof |
| CN101218943A (en) * | 2008-01-23 | 2008-07-16 | 辽宁虹螺健康食品企业有限公司 | Technique for extracting low-temperature protogenesis extra virgin peanut oil |
| CN101347176A (en) * | 2008-09-10 | 2009-01-21 | 青岛长寿食品有限公司 | Method for preparing peanut protein and simultaneously extracting original raw peanut oil as well as tissue protein at low temperature |
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2010
- 2010-12-16 CN CN 201010590286 patent/CN102002427A/en active Pending
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| CN1597890A (en) * | 2004-08-23 | 2005-03-23 | 隋利华 | Process for extracting peanut oil and producing peanut protein and products thereof |
| CN101218943A (en) * | 2008-01-23 | 2008-07-16 | 辽宁虹螺健康食品企业有限公司 | Technique for extracting low-temperature protogenesis extra virgin peanut oil |
| CN101347176A (en) * | 2008-09-10 | 2009-01-21 | 青岛长寿食品有限公司 | Method for preparing peanut protein and simultaneously extracting original raw peanut oil as well as tissue protein at low temperature |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102199484A (en) * | 2011-04-27 | 2011-09-28 | 沈阳农业大学 | Method for preparing ginseng seed oil through cold pressing |
| CN102199484B (en) * | 2011-04-27 | 2015-01-07 | 沈阳农业大学 | Method for preparing ginseng seed oil through cold pressing |
| CN102732376A (en) * | 2012-07-18 | 2012-10-17 | 山东省农业科学院农产品研究所 | Production method of cold pressing peanut and wheat germ compound oil |
| CN102732374A (en) * | 2012-07-18 | 2012-10-17 | 山东省农业科学院农产品研究所 | Production method for coldly squeezing corn and wheat compound embryo oil |
| CN102732377A (en) * | 2012-07-18 | 2012-10-17 | 山东省农业科学院农产品研究所 | Production method for cold pressing compound oil of peanut, corn and wheat germs |
| CN102732376B (en) * | 2012-07-18 | 2013-07-17 | 山东省农业科学院农产品研究所 | Production method of cold pressing peanut and wheat germ compound oil |
| CN103865634A (en) * | 2014-03-31 | 2014-06-18 | 青岛长寿食品有限公司 | Modifying oil expelling device for preparing peanut germ oil and oil expelling process thereof |
| CN103865634B (en) * | 2014-03-31 | 2015-11-18 | 青岛长寿食品有限公司 | A kind of modified Oil press for producing peanut germ oil and milling process thereof |
| CN106118859A (en) * | 2016-08-01 | 2016-11-16 | 华宁昌盛工贸有限公司 | Edible oil processing method |
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Application publication date: 20110406 |