CN2885375Y - Decompression microwave extraction device for plant active ingredient extraction - Google Patents
Decompression microwave extraction device for plant active ingredient extraction Download PDFInfo
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- CN2885375Y CN2885375Y CN 200620081704 CN200620081704U CN2885375Y CN 2885375 Y CN2885375 Y CN 2885375Y CN 200620081704 CN200620081704 CN 200620081704 CN 200620081704 U CN200620081704 U CN 200620081704U CN 2885375 Y CN2885375 Y CN 2885375Y
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- 238000000605 extraction Methods 0.000 title claims abstract description 64
- 238000000874 microwave-assisted extraction Methods 0.000 title claims abstract description 23
- 230000006837 decompression Effects 0.000 title claims abstract description 21
- 239000004480 active ingredient Substances 0.000 title claims abstract description 20
- 239000002904 solvent Substances 0.000 claims abstract description 52
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 230000035515 penetration Effects 0.000 claims abstract 3
- 239000000463 material Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 8
- 239000000110 cooling liquid Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims 2
- 239000011148 porous material Substances 0.000 claims 1
- 238000010298 pulverizing process Methods 0.000 claims 1
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- 238000000034 method Methods 0.000 description 10
- 239000000284 extract Substances 0.000 description 8
- 239000004615 ingredient Substances 0.000 description 8
- 230000035699 permeability Effects 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 230000000740 bleeding effect Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- CWVRJTMFETXNAD-FWCWNIRPSA-N 3-O-Caffeoylquinic acid Natural products O[C@H]1[C@@H](O)C[C@@](O)(C(O)=O)C[C@H]1OC(=O)\C=C\C1=CC=C(O)C(O)=C1 CWVRJTMFETXNAD-FWCWNIRPSA-N 0.000 description 3
- PZIRUHCJZBGLDY-UHFFFAOYSA-N Caffeoylquinic acid Natural products CC(CCC(=O)C(C)C1C(=O)CC2C3CC(O)C4CC(O)CCC4(C)C3CCC12C)C(=O)O PZIRUHCJZBGLDY-UHFFFAOYSA-N 0.000 description 3
- 241000050051 Chelone glabra Species 0.000 description 3
- CWVRJTMFETXNAD-KLZCAUPSSA-N Neochlorogenin-saeure Natural products O[C@H]1C[C@@](O)(C[C@@H](OC(=O)C=Cc2ccc(O)c(O)c2)[C@@H]1O)C(=O)O CWVRJTMFETXNAD-KLZCAUPSSA-N 0.000 description 3
- CWVRJTMFETXNAD-JUHZACGLSA-N chlorogenic acid Chemical compound O[C@@H]1[C@H](O)C[C@@](O)(C(O)=O)C[C@H]1OC(=O)\C=C\C1=CC=C(O)C(O)=C1 CWVRJTMFETXNAD-JUHZACGLSA-N 0.000 description 3
- 229940074393 chlorogenic acid Drugs 0.000 description 3
- FFQSDFBBSXGVKF-KHSQJDLVSA-N chlorogenic acid Natural products O[C@@H]1C[C@](O)(C[C@@H](CC(=O)C=Cc2ccc(O)c(O)c2)[C@@H]1O)C(=O)O FFQSDFBBSXGVKF-KHSQJDLVSA-N 0.000 description 3
- 235000001368 chlorogenic acid Nutrition 0.000 description 3
- BMRSEYFENKXDIS-KLZCAUPSSA-N cis-3-O-p-coumaroylquinic acid Natural products O[C@H]1C[C@@](O)(C[C@@H](OC(=O)C=Cc2ccc(O)cc2)[C@@H]1O)C(=O)O BMRSEYFENKXDIS-KLZCAUPSSA-N 0.000 description 3
- 239000012809 cooling fluid Substances 0.000 description 3
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- 239000000419 plant extract Substances 0.000 description 3
- 239000002798 polar solvent Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 241000205585 Aquilegia canadensis Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- XDQITMCFPPPMBC-TUANDBMESA-N scutelloside Natural products OC[C@H]1O[C@@H](O[C@@H]2O[C@@H]3C[C@H]4[C@H](O)[C@@H](O)[C@@](O)(CO3)[C@@H]24)[C@H](O)[C@@H](O)[C@@H]1O XDQITMCFPPPMBC-TUANDBMESA-N 0.000 description 2
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- 239000012043 crude product Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 230000000762 glandular Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
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- 230000003204 osmotic effect Effects 0.000 description 1
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- 238000004064 recycling Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
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- 238000005406 washing Methods 0.000 description 1
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Abstract
本实用新型公开了一种用于植物有效成分提取的减压微波萃取装置。它由微波炉、萃取罐、冷凝器、气液分离器和减压装置组成。微波炉设置在萃取罐外围，其内均匀布置微波发生器；萃取罐上安装有电动搅拌器，萃取罐顶部设置消磁器，萃取罐上部为萃取室，下部设置活动的溶剂储存室，中间通过带均布溶剂渗透孔的隔板把萃取室和储存室隔开。在减压和微波作用下，溶剂汽化经冷凝器冷凝成液态溶剂，由循环管返回到溶剂储存室，植物经微波辐照后，由萃取罐下部的卸料装置卸料。由于装置中采用了减压和溶剂循环装置，加速了微波辐照引起的植物有效成分提取过程，同时保证植物有效成分不会因温度过高而发生热变质，可提高植物有效成分提取率和提取质量，适应工业化生产。
The utility model discloses a decompression microwave extraction device used for extracting effective components of plants. It consists of microwave oven, extraction tank, condenser, gas-liquid separator and decompression device. The microwave oven is set on the periphery of the extraction tank, and microwave generators are evenly arranged in it; an electric stirrer is installed on the extraction tank, a degausser is installed on the top of the extraction tank, the upper part of the extraction tank is an extraction chamber, and the lower part is equipped with a movable solvent storage room. The partition of the cloth solvent penetration hole separates the extraction chamber from the storage chamber. Under the action of decompression and microwave, the solvent vaporizes and condenses into a liquid solvent through the condenser, and returns to the solvent storage room through the circulation pipe. After the plants are irradiated by microwaves, they are discharged from the unloading device at the lower part of the extraction tank. Due to the decompression and solvent circulation device used in the device, the extraction process of active ingredients of plants caused by microwave irradiation is accelerated, and at the same time, it is ensured that the active ingredients of plants will not undergo thermal deterioration due to high temperature, which can improve the extraction rate and extraction rate of active ingredients of plants. Quality, suitable for industrialized production.
Description
Technical field
The present invention relates to a kind of extraction element of effective ingredients in plant, relate in particular to a kind of decompressed microwave extraction device that effective ingredients in plant extracts that is used for.
Background technology
Active ingredient in the plant is provided with certain obstacle usually by plant cell tissue's embedding to extraction.The separation of active ingredient in the cell at first needs it is discharged in cell.For the separation of macromolecular substances, industrial most employing Mechanical Method or enzyme process are with born of the same parents' broken wall; And, then adopt solvent extraction method to carry out mostly for the separation of small-molecule substance.These method ubiquities extract that energy consumptions are big, and efficient is low, impurity is many, and yield is few, resource problem such as can not be fully used.
The Microwave Extraction technology is to utilize the electromagenetic wave radiation extract of frequency for 300HZ～300GHZ, makes that polar molecule produces high speed swinging and the phase mutual friction takes place in the extract, produces heat, the quick transmission of energy is provided and makes full use of.The microwave radiative process is that frequency electromagnetic waves penetrates spe medium on the one hand, arrive the inside vascular bundle and the glandular cell system of material, the polar molecule that dielectric coefficient is bigger in the plant absorbs microwave and produces heat, the cell interior temperature rises rapidly, vaporization or expansion take place, interior osmotic pressure increases and destroys the eucaryotic cell structure of plant, makes the diffusion duct become big, and extraction rate generation essence changes; On the other hand, under the effect of the friendship frequency electromagnetic field that when microwave treatment, produces, because the variation of extract Semi-polarity molecularly oriented causes rotation, vibration or the swing of molecule, aggravated the collision frequency of molecule in the system, the power that makes its constraint be extracted molecule reduces, make to be extracted molecule and to have entered a kind of state of activation and very easily stripping, quicken to be extracted the part composition to extractant interfacial diffusion speed.It is good that the Microwave Extraction technology has the extraction quality, the selectivity height, and rate of extraction is fast, and the extraction yield is high and impure few, rate of recovery height, characteristics such as less energy consumption.In recent years, microwave technology has obtained application in plant extract, is becoming a kind of novel, extracting method efficiently.
In the microwave abstracting process, no matter be polar extraction solvent (as moisture) and polarity active ingredient contained in polar extraction solvent or the plant cell, all will absorb microwave and produce heat, thereby the state variation of these polar molecules directly influences effect of extracting.Polarity active ingredient in the plant cell and polar solvent absorb microwave and produce heat and be heated, and cause the effective components in plants heating temperature too high and be damaged probably, and especially for the extraction of thermal sensitivity active ingredient, heating using microwave will cause heat damage.Adopt decompression operation, at first can reduce the polar solvent boiling point, reduce the effective ingredients in plant heating temperature, secondly can increase the mechanical stress on the plant cell wall, help broken wall.When decompressed microwave extracts, polar solvent will be vaporized rapidly and will be depressurized the device extraction, be to guarantee effect of extracting, must guarantee the extractant amount of active ingredient, and this just need make the solvent of extraction circulate rapidly.The decompression solvent circulation microwave extraction equipment and the method that with the effective ingredients in plant are application are not appeared in the newspapers.
Summary of the invention
The purpose of this utility model just provides a kind of Microwave Extraction efficient height, and the target component matter of extraction is measured, is used for the decompressed microwave extraction device that effective ingredients in plant extracts.
For achieving the above object, the utility model adopts following technical scheme: a kind of decompressed microwave extraction device that is used for the effective ingredients in plant extraction, it comprises micro-wave oven, extractor is set in the micro-wave oven, extractor is connected with condenser, described condenser is connected with gas-liquid separator, and gas-liquid separator is connected with the solvent storage chamber of extractor bottom, and it also is connected with decompressor simultaneously.
Described micro-wave oven is interior, the periphery of extractor is provided with the layer of metal overcoat, arranges evenly that outside overcoat microwave generator, micro-wave oven outer wall and extractor are positioned at the microwave cavity of the sealing of outer wall section formation beyond the micro-wave oven.
Be extraction cell in the described extractor, the extraction cell top is provided with demagnetizer, and agitator is installed in the extraction cell, is provided with sealing device between agitator and extraction cell; Bleeding point and charge door are also arranged respectively at the top of extraction cell simultaneously; The bottom of extraction cell is connected with the solvent storage chamber by the dividing plate that has equally distributed solvent permeability hole; The comminuted plants material is greater than solvent permeability hole aperture.
The bottom of described solvent storage chamber is provided with the circulation fluid inlet, and it is connected with gas-liquid separator by pipeline; The bottom of solvent storage chamber also has the solvent outlet simultaneously.
Described solvent outlet is provided with solvent and discharges control valve.
The bottom of described micro-wave oven and extractor is a device for discharging.
Described gas-liquid separator is provided with gas-liquid separator inlet, decompressing connection and gas-liquid separator liquid outlet, and decompressing connection links to each other with decompressor, and the gas-liquid separator inlet links to each other with condenser.
Cooling liquid outlet and cooling fluid inlet is arranged on the described condenser.
Described microwave abstracting solvent has certain polarity, and dielectric constant is in 12～94 scopes.
The beneficial effects of the utility model are: owing to set up decompression solvent circulation microwave extracting system, can make the quantity of solvent of microwave irradiation in the following microwave abstracting process of decompression keep stable, the recycling of solvent guaranteed around the plant cell that the target effective constituent concentration is lower in the middle of the solvent, thereby the active ingredient that has increased extraction process is transmitted motive force, has improved the decompressed microwave extraction rate.The while decompression operation; can increase the mechanical stress on the plant cell wall on the one hand; help broken wall; quicken the extraction stripping of active ingredient; can reduce the solvent vapourizing temperature on the other hand, thereby reduce the temperature of microwave irradiation active ingredient, improve the quality of extracting product; be particularly conducive to protection thermal sensitivity active ingredient, to avoid thermal metamorphism.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A profile of Fig. 1.
Wherein: 1. micro-wave oven, 2. extractor, 3. extraction cell, 4. bleeding point, 5. demagnetizer, 6. sealing device, 7. agitator, 8. charge door, 9. cooling liquid outlet, 10. condenser, 11. cooling fluids inlet, 12. gas-liquid separators, 13. the gas-liquid separator inlet, 14. decompressing connections, 15. decompressors, 16. the gas-liquid separator liquid outlet, 17. liquid circulating pipes, 18. flexible pipes, 19. the circulation fluid inlet, 20. devices for discharging, 21. solvent outlets, 22. discharge the solvent control valve, solvent storage chambers 23., 24. dividing plates, 25. solvent permeability hole, 26. sealing gasket, 27. microwave generators, 28. overcoats.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment utility model is described further.
Embodiment one:
Among Fig. 1, the utility model is the microwave abstracting system of decompression solvent circulation, comprises that micro-wave oven 1, extractor 2, condenser 10, gas-liquid separator 12 and decompressor 15 form; The overcoat 28 outer microwave generators 27 of evenly arranging in the micro-wave oven 1, overcoat 28 is positioned at the periphery of extractor 2, as shown in Figure 2; Micro-wave oven 1 outer wall and extractor 2 are positioned at the microwave cavity of the sealing of outer wall section formation beyond the micro-wave oven, prevent the leakage of microwave.
In the extractor 2 is extraction cell 3, and demagnetizer 5 is arranged on it, stops microwave to be revealed and the metal sparking; Agitator 7 is installed in the extraction cell 3, to guarantee that material evenly mixes in the extraction cell 3, the place of being in contact with it is provided with sealing device 6, the top of extraction cell 3 also has charge door 8, bleeding point 4 simultaneously, bleeding point 4 is connected with condenser 10, the front portion of condenser 10 is a cooling liquid outlet 9, and the rear portion is a cooling fluid inlet 11.Condenser 10 is connected with the gas-liquid separator inlet 13 of gas-liquid separator 12, and the decompressing connection 14 on the gas-liquid separator 12 is connected with decompressor 15, and its underpart is connected with liquid circulating pipe 17, flexible pipe 18 by gas-liquid separator liquid outlet 16.Be provided with the dividing plate 24 that has equally distributed solvent permeability hole 25 in the bottom of extraction cell 3, the comminuted plants material is greater than solvent permeability hole aperture, guarantee the extractant free permeation, material is difficult for spilling simultaneously, 3 of dividing plate 24 and extraction cells are provided with sealing gasket 26, solvent permeability hole 25 apertures are 0.05～4mm, and comminuted plants material order number is 5～250 orders, the material that the solvent permeability hole diameter that uses is pulverized as plant 20～80% of the screen-aperture that sieves.Circulation fluid inlet 19 is arranged at the bottom of solvent storage chamber 23, and it is connected with flexible pipe 18; Also have solvent outlet 21 simultaneously, the solvent of discharge control valve 22 is arranged on it.
In extractor 2 bottoms and micro-wave oven 1 bottom device for discharging 20 is set, starts device for discharging 20 extraction cell 3 of extractor 2 and solvent storage chamber 23 are separated, thereby lay down the material after the extraction.
Wherein, used extractant has certain polarity (as water, acetone, ethanol water etc.), and dielectric constant is in 12～94 scopes.Microwave power 5～20KW, extractor volume are 0.0684m
3, solvent storage chamber volume is 0.0012m
3, solvent permeability hole diameter is 0.1mm.
Its course of work is, dried honeysuckle powder is broken into 50～100 orders, add weight of material 50～160%, concentration be 30%～90% ethanol in container fully wetting after, join again in the extraction cell of extractor, in extractor, add weight of material 200～800% then, concentration is 30%～90% ethanol, the volume of extractant and honeysuckle accounts for 30～70% of total extractor volume, vacuum is to heat under 100～400mmHg column condition in 2450MHz frequency microwave field, carry out the extraction of 5～20 minutes decompression solvent circulation microwaves, close microwave extracting apparatus after the end, collect extractant, filter, filtrate concentrates through reducing pressure and obtains chlorogenic acid medicinal extract.Compare with existing normal pressure microwave extraction method, the recovery rate of chlorogenic acid increases by 10%, and the purity of chlorogenic acid in medicinal extract improves 18%.
Embodiment two:
Adopt the utility model, the dried root of large-flowered skullcap is ground in the extraction cell that 50～100 orders join extractor, in extractor, add weight of material 600～1200% water then, the volume of the water and the root of large-flowered skullcap accounts for 50～65% of total extractor volume, vacuum is to heat under 300～500mmHg column condition in 2450MHz frequency microwave field, carry out the extraction of 8～16 minutes decompression solvent circulation microwaves, close microwave extracting apparatus after the end, the collection extractant is placed on and is heated to 70～85 ℃ in the water-bath, and insulation 20～40min makes precipitation fully, leave standstill 10～14h, sediment separate out, with distilled water washing 2～3 times, the dry root of large-flowered skullcap former times crude product that gets.Compare with existing normal pressure microwave extraction method, the recovery rate of scutelloside increases by 6%, and the purity of scutelloside in medicinal extract improves 8%.
Technical scheme disclosed in the utility model is not only applicable to the extraction processing of above-mentioned two kinds of plant active ingredients, also can be used for the extraction of other effective ingredients in plant.
Claims (9)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620081704 CN2885375Y (en) | 2006-03-10 | 2006-03-10 | Decompression microwave extraction device for plant active ingredient extraction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620081704 CN2885375Y (en) | 2006-03-10 | 2006-03-10 | Decompression microwave extraction device for plant active ingredient extraction |
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| CN2885375Y true CN2885375Y (en) | 2007-04-04 |
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| CN 200620081704 Expired - Fee Related CN2885375Y (en) | 2006-03-10 | 2006-03-10 | Decompression microwave extraction device for plant active ingredient extraction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100421759C (en) * | 2006-03-10 | 2008-10-01 | 山东轻工业学院 | A vacuum microwave extraction device and method for extracting effective components of plants |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100421759C (en) * | 2006-03-10 | 2008-10-01 | 山东轻工业学院 | A vacuum microwave extraction device and method for extracting effective components of plants |
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