CN103614232A - Method for extracting dogwood kernel oil - Google Patents
Method for extracting dogwood kernel oil Download PDFInfo
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- CN103614232A CN103614232A CN201310612549.1A CN201310612549A CN103614232A CN 103614232 A CN103614232 A CN 103614232A CN 201310612549 A CN201310612549 A CN 201310612549A CN 103614232 A CN103614232 A CN 103614232A
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- dogwood
- sex change
- kernel oil
- skunk bush
- dogwood pit
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- Medicines Containing Plant Substances (AREA)
- Fats And Perfumes (AREA)
Abstract
The invention discloses a method for extracting dogwood kernel oil. The method comprises the following steps: preparing materials, drying, modifying for the first time, modifying for the second time, modifying for the third time, grinding, modifying for the fourth time, primarily separating, squeezing, ultrasonically removing impurities, and filtering in vacuum. According to the method, dogwood kernel cells are destroyed and modified for multiple times by adopting a pure physical method, so that fatty acids and other beneficial ingredients completely overflow and the final oil yield is high; no chemical preparations are added in the method, so that the pure natural property of the dogwood kernel oil used as raw materials of foods and drugs is ensured and no toxic side effects on a human body are caused; the method is short in production cycle, high in production efficiency and completely suitable for large-scale industry production, and achieves the purposes of turning dogwood kernels into wealth and fully utilizing the dogwood kernels.
Description
Technical field
The invention belongs to grease refinement technique field, be specifically related to a kind of skunk bush kernel oil extracting method.
Background technology
The acid of skunk bush nature and flavor, puckery, tepor, returns liver kidney channel, and tool tonifies the liver and kidney, the effect that puckery essence is admittedly de-.For dizzy tinnitus, soreness of waist and knee joint, impotence and seminal emission, enuresis frequent micturition, under uterine bleeding band, profuse sweating collapse, interior heat is quenched one's thirst, and is the conventional Chinese medicine for the treatment of various diseases, is also one of medicinal material of consumption maximum.So far, the medicinal of skunk bush is all to get its skin and flesh, abandon its fruit stone, and the weight of fruit stone accounts for the more than 80% of cornel fruit, thereby pharmacy corporation is all had nothing for it but every year and processed a large amount of discarded Dogwood pits and perplex.In the recent period, about research shows, Dogwood pit not only has identical nature and flavor and effect with skin and flesh, and its fatty oil content is far above skin and flesh.And take saturated fatty acid and unsaturated fatty acids in dogwood oil, it is its main component, and the various trace elements that contains phosphatide, plant sterol, vitamin-E, A and useful human body, be a kind of very precious and nontoxic pure natural nutrient raw material that also medicine is also eaten.At present, the extractive technique of skunk bush kernel oil is also more rare, and traditional extracting method mainly contains milling process and lixiviation process, and milling process is suitable for the plant seed that oleaginousness is higher, and facility investment is large, and oil yield is low, and the wasting of resources is large; Lixiviation process is suitable for oleaginousness at the oil plant below 20%, and its shortcoming one is that production efficiency is lower, and the 2nd, need to add solvent, cause the grease purity of extraction low, consumption solvent resource is many, be difficult to realize the production of pure natural grease, and cost is higher.Application number is the extracting method that 201210232359.2 patent discloses a kind of skunk bush kernel oil, although it has higher production efficiency and oil yield, but still is difficult to overcome the defect that above-mentioned lixiviation process exists.
Summary of the invention
The object of the invention is, in order to make up the deficiencies in the prior art, provides a kind of pure ecology, high purity, and oil yield is high, with short production cycle, and efficiency is high, and is applicable to the skunk bush kernel oil extracting method that large-scale industrial is produced.
A skunk bush kernel oil extracting method, comprises the following steps:
1) get the raw materials ready: get Dogwood pit screening and pick removal impurity, and clean with clear water rinsing;
2) dry: the Dogwood pit that rinsing is clean is dried, and removes Dogwood pit surface-moisture;
3) sex change: under 75 ℃ of-85 ℃ of temperature condition, insulation 25s-35s, makes the sex change of skunk bush nucleocapsid, and Dogwood pit meat cell is expanded rapidly by dried skunk bush nucleocapsid;
4) secondary sex change: will put into immediately-5 ℃ of-10 ℃ of containers through the Dogwood pit of a sex change, standing 8h-12h, makes its nucleus shrink sex change;
5) three sex change: the Dogwood pit through secondary sex change is heated to 85 ℃-95 ℃, and insulation 15s-20s, makes cell expand rapidly for the second time;
6) pulverize: the Dogwood pit after three sex change is crushed to the ultra-fine micropowder that particle diameter is 0. 5-100nm;
7) four sex change: will pulverize gained Dogwood pit micro mist heat-insulation pressure keeping 50 min-70min under 100 ℃-150 ℃, pressure 0.2-0.4MPa, and destroy Dogwood pit particulate cell;
8) initial gross separation: the Dogwood pit micro mist after four sex change is inserted in ultrasonic container, destroy again its cellularstructure by ultrasonic wave, make lipid acid and impurity initial gross separation in particulate powder, become unbound state;
9) squeezing: Dogwood pit micro mist is sent in hot-pressing machine and squeezed immediately after initial gross separation, isolates dogwood oil;
10) ultrasonic wave removal of impurities: adopt ultrasonic wave separation to remove impurity isolated skunk bush kernel oil;
11) vacuum filtration: ultrasonic wave removal of impurities gained skunk bush kernel oil is carried out to vacuum filtration, make pure skunk bush kernel oil.
Clear water temperature described in described step 1) is 18 ℃-20 ℃, and rinsing time is 10 min-15min.
Described step 2) described in, be dried in baking box and carry out, storing temperature is controlled at 45 ℃-50 ℃, and baking time is 10min-15min.
In described step 9), squeeze pressure is 0.4-0.6MPa.
Dogwood pit comprises seed and pericarp (kind subshell), wherein seed is to consist of molecule, its pericarp is more fine and close hard than general plant friuit-pit structure, and in pericarp, contains a certain amount of grease, therefore needs fully to destroy the cellularstructure of Dogwood pit.This process using cytopathy is processed, and by the Dogwood pit to after drying, carries out baking, and Dogwood pit cell is expanded rapidly; By cooling, karyocyte is shunk again; Baking is expanded rapidly cell again; Be ground into ultra-fine micropowder; Then destroy for the second time again karyocyte; High-temperature pressurizing is destroyed Dogwood pit particulate cell again, and then the powerful energy discharging by ultrasonic wave, again destroys a series of denaturing treatment such as cellularstructure, is that Dogwood pit cellularstructure is fully collapsed.By ultrasonication, grease can be oozed out fast on this basis, in micro mist, lipid acid obtains initial gross separation with slag and becomes grease state, obtains thus good separating effect, has also avoided long-time ultrasonic wave to cause the decomposition of grease simultaneously.Finally adopt milling process that grease is squeezed out more thoroughly, then purify through ultrasonication, vacuum filtration, obtain pure skunk bush kernel oil.Skunk bush kernel oil extracting method of the present invention, adopt pure physical method repeatedly to destroy denaturing treatment to Dogwood pit cell, and be ground into nano level superfine micro mist, saturated fatty acid, unsaturated fatty acids and other precious beneficiating ingredient separation more thoroughly in Dogwood pit are overflowed, by squeezing, purify again, obtain pure skunk bush kernel oil, and guaranteed higher oil yield, the loss of technique fat is little, and oil yield reaches more than 8.9%.Meanwhile, in whole production process, without any the interpolation of organic and inorganic chemicals, guaranteed reliably the pure natural character of skunk bush kernel oil, for food, pharmaceutical raw material, without any side effects to human body.The method is with short production cycle, and production efficiency is high, is applicable to large-scale industrial completely and produces, and realizes turning waste into wealth of Dogwood pit resource, makes full use of.
Specific embodiment
Below in conjunction with embodiment, the present invention will be further described.
Embodiment 1
The extraction of the present embodiment skunk bush kernel oil is to carry out as follows:
From the raw material Dogwood pit of purchase, artificial screening goes out the Dogwood pit polluting without going mouldy; Via diameter is the stainless steel sift of 3mm, removes the sand grains that diameter is less than 3mm, more manually chooses and be greater than stone grain more than 3mm except diameter; And clean with clear water rinsing, wherein clear water temperature is controlled at 18 ℃-20 ℃, and rinsing time is controlled at 10 min.Again the clean Dogwood pit of rinsing is put into the baking box that needs volumetric quantity, Dogwood pit is divided on baking box dish, oven temperature is adjusted to 45 ℃, timing 15min, remove Dogwood pit epidermis moisture, after the Ex-all of Dogwood pit surface-moisture, when Dogwood pit starts to give out a kind of fragrant, at this time surface-moisture has evaporated completely certainly.Then, oven temperature is adjusted to 75 ℃ of scales, time switch is adjusted at 35s shelves, and opening power is heated for the first time and made the sex change of skunk bush nucleocapsid, and Dogwood pit meat cell is expanded rapidly; Again the Dogwood pit through the sex change of once heating is put into Dogwood pit fast to-5 ℃ of freezer 8h, made its nucleus shrink sex change; Next Dogwood pit is put into baking box, and oven temperature switch is transferred to 85 ℃, and time 20s makes cell expand rapidly for the second time.Then the Dogwood pit after three sex change is crushed to the micro mist that particle diameter is 100nm; And put into pressure kettle heat-insulation pressure keeping 70min under 100 ℃, pressure 0.2MPa, destroy for the third time Dogwood pit particulate cell; Again the Dogwood pit micro mist that destroys for the third time cell is inserted in ultrasonic container, by ultrasonic wave, destroy again its cellularstructure, make lipid acid and impurity initial gross separation in particulate powder, become unbound state.Finally will after initial gross separation, send in hot-pressing machine and squeeze immediately, and isolate dogwood oil, wherein squeeze pressure be 0.4MPa, and the skunk bush kernel oil then squeezing being made is inserted ultrasonic container and adopted ultrasonic wave separation to remove impurity.Carry out again vacuum filtration, make pure skunk bush kernel oil, then packing, quality inspection, warehouse-in.
Embodiment 2
The extracting method of the present embodiment skunk bush kernel oil is substantially the same manner as Example 1, and difference is only:
Rinsing time is 15min; Bake out temperature is 45 ℃, and drying time is 10min; Heating for the first time and making skunk bush nucleocapsid denaturation temperature is 85 ℃, and the time is 25s; It is 10 ℃ that nucleus shrinks denaturation temperature, and soaking time is 12h; The rapid expansion temperature of cell is 95 ℃ for the second time, and the time is 15s; Dogwood pit powder particle diameter is 50nm; Destroying Dogwood pit particulate cell temperature and be 150 ℃, pressure is that 0.2MPa, heat-insulation pressure keeping time are 70min; While squeezing dogwood oil in hot-pressing machine, squeeze pressure is 0.4MPa.
Embodiment 3
The extracting method of the present embodiment skunk bush kernel oil is substantially the same manner as Example 1, and difference is only:
Rinsing time is 13min; Bake out temperature is 47 ℃, and drying time is 13min; Heating for the first time and making skunk bush nucleocapsid denaturation temperature is 80 ℃, and the time is 30s; It is 5 ℃ that nucleus shrinks denaturation temperature, and soaking time is 10h; The rapid expansion temperature of cell is 90 ℃ for the second time, and the time is 17s; Dogwood pit powder particle diameter is 0. 5nm; Destroying Dogwood pit particulate cell temperature and be 120 ℃, pressure is that 0.3MPa, heat-insulation pressure keeping time are 60min; While squeezing dogwood oil in hot-pressing machine, squeeze pressure is 0.5MPa.
Above-mentioned three test ，Jing Military Medical Science Institute bio-medical analysis Spot detections are analyzed, and detected result is as shown in the table:
| ? | Relative content (%) | Test one | Test two | Test three | On average |
| 1 | Tetradecanoic acid | 0.01 | 0.01 | 0.01 | 0.01 |
| 2 | Hexadecanoic acid | 14.84 | 14.81 | 14.85 | 14.83 |
| 3 | Octadecanoic acid | 6.02 | 6.00 | 6.03 | 6.02 |
| 4 | Arachic acid | 1.67 | 1.67 | 1.66 | 1.67 |
| 5 | Docosoic acid | 2.34 | 2.35 | 2.34 | 2.35 |
| 6 | 9.12-octadecadienoic acid | 70.39 | 70.44 | 70.42 | 70.42 |
| 7 | 9-octadecenoic acid | 2.88 | 2.87 | 2.90 | 2.88 |
| 8 | 11.14-eicosadienoic acid | 0.12 | 0.11 | 0.11 | 0.11 |
| 9 | 11-eicosenoic acid | 1.39 | 1.41 | 1.40 | 1.40 |
| 10 | 14-octadecenoic acid | 0.34 | 0.33 | 0.34 | 0.34 |
| ? | Oil yield | 8.9% | 9.4% | 9.8% | 9.4% |
As shown above, Dogwood pit contains abundant unsaturated fatty acids, and wherein, 9.12-octadecadienoic acid is that linoleic acid content is high, accounts for the more than 70% of quality product, far above sesame oil, peanut oil, matches in excellence or beauty in safflower oil; Can be used in food, medicine, splendid to improving hypertension, hyperlipidemia, hypercholesterolemia people's constitution effect, this product is edible or as cosmetic material, also can be used for pharmaceutical raw material.
Claims (4)
1. a skunk bush kernel oil extracting method, is characterized in that, comprises the following steps:
1) get the raw materials ready: get Dogwood pit screening and pick removal impurity, and clean with clear water rinsing;
2) dry: the Dogwood pit that rinsing is clean is dried, and removes Dogwood pit surface-moisture;
3) sex change: under 75 ℃ of-85 ℃ of temperature condition, insulation 25s-35s, makes the sex change of skunk bush nucleocapsid, and Dogwood pit meat cell is expanded rapidly by dried skunk bush nucleocapsid;
4) secondary sex change: will put into immediately-5 ℃ of-10 ℃ of containers through the Dogwood pit of a sex change, standing 8h-12h, makes its nucleus shrink sex change;
5) three sex change: the Dogwood pit through secondary sex change is heated to 85 ℃-95 ℃, and insulation 15s-20s, makes cell expand rapidly for the second time;
6) pulverize: the Dogwood pit after three sex change is crushed to the ultra-fine micropowder that particle diameter is 0. 5-100nm;
7) four sex change: will pulverize gained Dogwood pit micro mist heat-insulation pressure keeping 50 min-70min under 100 ℃-150 ℃, pressure 0.2-0.4MPa, and destroy Dogwood pit particulate cell;
8) initial gross separation: the Dogwood pit micro mist after four sex change is inserted in ultrasonic container, destroy again its cellularstructure by ultrasonic wave, make lipid acid and impurity initial gross separation in particulate powder, become unbound state;
9) squeezing: Dogwood pit micro mist is sent in hot-pressing machine and squeezed immediately after initial gross separation, isolates dogwood oil;
10) ultrasonic wave removal of impurities: adopt ultrasonic wave separation to remove impurity isolated skunk bush kernel oil;
11) vacuum filtration: ultrasonic wave removal of impurities gained skunk bush kernel oil is carried out to vacuum filtration, make pure skunk bush kernel oil.
2. a kind of skunk bush kernel oil extracting method as claimed in claim 1, is characterized in that: clear water temperature described in described step 1) is 18 ℃-20 ℃, and rinsing time is 10 min-15min.
3. a kind of skunk bush kernel oil extracting method as claimed in claim 1, is characterized in that: described step 2), be dried in baking box and carry out, storing temperature is controlled at 45 ℃-50 ℃, and baking time is 10min-15min.
4. a kind of skunk bush kernel oil extracting method as claimed in claim 1, is characterized in that: in described step 9), squeeze pressure is 0.4-0.6MPa.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104073348A (en) * | 2014-06-04 | 2014-10-01 | 江学忠 | Process for extracting perfume from dogwood nucleuses |
| CN109022130A (en) * | 2018-08-20 | 2018-12-18 | 中国农业科学院油料作物研究所 | A method of the oil plant breaking-wall cell extruding liquefaction based on physical field |
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| CN102703207A (en) * | 2012-07-06 | 2012-10-03 | 栾川县野生源生态科技开发有限公司 | Extraction method of dogwood kernel oil |
| CN102942989A (en) * | 2012-10-24 | 2013-02-27 | 李学超 | Rapeseed oil production process |
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|---|---|---|---|---|
| CN102604733A (en) * | 2012-03-13 | 2012-07-25 | 玛纳斯恒泰实业有限公司 | Extraction method of functional healthcare edible oil |
| CN102703207A (en) * | 2012-07-06 | 2012-10-03 | 栾川县野生源生态科技开发有限公司 | Extraction method of dogwood kernel oil |
| CN102942989A (en) * | 2012-10-24 | 2013-02-27 | 李学超 | Rapeseed oil production process |
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| CN104073348A (en) * | 2014-06-04 | 2014-10-01 | 江学忠 | Process for extracting perfume from dogwood nucleuses |
| CN104073348B (en) * | 2014-06-04 | 2016-03-16 | 江学忠 | A kind of technique extracting perfume from Dogwood pit |
| CN109022130A (en) * | 2018-08-20 | 2018-12-18 | 中国农业科学院油料作物研究所 | A method of the oil plant breaking-wall cell extruding liquefaction based on physical field |
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