CN1300071C - Method of extracting elemene in curcuma zedoary by super critical carbon dioxide fluid extraction-rectification - Google Patents
Method of extracting elemene in curcuma zedoary by super critical carbon dioxide fluid extraction-rectification Download PDFInfo
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- CN1300071C CN1300071C CNB2004100645703A CN200410064570A CN1300071C CN 1300071 C CN1300071 C CN 1300071C CN B2004100645703 A CNB2004100645703 A CN B2004100645703A CN 200410064570 A CN200410064570 A CN 200410064570A CN 1300071 C CN1300071 C CN 1300071C
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- elemenum
- rectifying
- supercritical
- rectification
- curcuma zedoary
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
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Abstract
The present invention provides a supercritical CO2 fluid extraction and rectification combined technique for extracting elemene from zedoary and increasing extraction rate. The supercritical CO2 fluid extraction and rectification combined technique for extracting elemene from zedoary is characterized in that CO2 fluid is used for the supercritical extraction of zedoary volatile oil or zedoary powder, and meanwhile, an extractor, a separator and a rectification column are serially connected for reflux so as to obtain the elemene. Compared with single supercritical CO2 fluid extraction, elemene content in the product obtained by technique of the present invention is greatly increased, the elemene content of the rectification is from 25 to 33%, and the technique of the present invention provides guarantee for subsequent product exploitation. The present invention has the technical scheme that the procedures from extracting the zedoary powder to extracting the elemene can be completed in one step, so operation processes are simplified, and extraction time is shortened to 2 hours from original more than 20 hours.
Description
Technical field
The present invention relates to a kind of with supercritical CO
2Fluid extraction combines the method for extracting Elemenum in the curcuma zedoary with rectifying, belong to the extracting method technical field of active ingredient of natural plant.
Background technology
Elemenum is by carbon, two kinds of elementary composition sesquiterpene compounds of hydrogen, main component is a beta-elemene, also contains a spot of δ-Elemenum and γ-Elemenum in addition, because the three all has antitumour activity, do not have significant difference, therefore be referred to as Elemenum.Elemenum is a kind of cancer therapy drug of determined curative effect, evident in efficacy for pernicious ascites pleural fluid, brain tumor, lung cancer and digestive tract tumor, aspect clinical application, certain curative effect is all arranged for treatment encephalic brain tumor, treatment respiratory tract neoplasms, treatment liver cancer, cancer of the stomach, colorectal carcinoma, esophagus cancer etc.Elemenum obtains from Rhizoma Curcumae volatile oil mostly at present.
Traditional Elemenum extraction and separation technology is to utilize steam distillation or soxhlet extraction method to extract volatile oil from curcuma zedoary, isolates Elemenum by silica gel column chromatography or distillatory method.Report that the zddoary powder adopts the supercritical fluid extraction method at 20MPa, 55 ℃, 0.5mL ethanol is done properties-correcting agent, under the dynamic extraction 40min condition, Rhizoma Curcumae volatile oil, wherein the high-content of Elemenum is 8.0%.Above-mentioned solvent extraction, isolation technique exist extraction yield low, shortcomings such as dissolvent residual are arranged, and the supercritical fluid extraction method is compared with traditional extracting method, convenient experimental operation, extraction yield height, the product no solvent residue meets health and the quality requirements of country to the herbal medicine extracts active ingredients.At present supercritical liquid extraction technique only is applied to the extraction research of Rhizoma Curcumae volatile oil, and wherein the content of Elemenum is lower.
Summary of the invention
The object of the invention is to provide a kind of supercritical CO
2Fluid extraction extracts Elemenum in the curcuma zedoary in conjunction with distillation technology, to improve percentage extraction.
Technical scheme of the present invention is achieved in that this supercritical CO
2Fluid extraction-rectification extracts the method for Elemenum in the curcuma zedoary, it is characterized in that using CO
2With extractor, separator and rectifying column series connection refluxed and obtain Elemenum when fluid carried out supercritical extraction to Rhizoma Curcumae volatile oil or curcuma zedoary powder.
Described supercritical CO
2Fluid extraction-rectification extracts the method for Elemenum in the curcuma zedoary, it is characterized in that: Rhizoma Curcumae volatile oil or curcuma zedoary powder are put into extractor, open CO
2Steel cylinder behind the gas process cleaner I, enters condenser liquefaction, enters cleaner II again by the ram pump pressurization then and further purifies, and enters the extractor bottom by pipeline, and setting the extractor temperature is 40-55 ℃, and extractor pressure is 12-20Mpa; Come out to enter rectifying column by the extractor top through adjusting, rectifying column is divided into the direction from top to bottom gradually rising of four sections temperature along height, the pressure of setting rectifying column is 10-20MPa, the temperature of rectifying column is from bottom to top: rectifying-45 ℃-55 ℃, 2 50 ℃-60 ℃ of rectifying, 3 55 ℃-65 ℃ of rectifying, 4 65 ℃-75 ℃ of rectifying; Setting separator temperature is 25 ℃, and separator pressure is 8-18Mpa; CO
2Flow is 15-20kg/h.The rectifying time is 120 minutes, obtains containing the oily mater of Elemenum.
Described supercritical CO
2Fluid extraction-rectification extracts the method for Elemenum in the curcuma zedoary, it is characterized in that the described CO that is dissolved with solute
2Fluid comes out elder generation through separator by the extractor top, enters rectifying column again, forms and refluxes.
Described supercritical CO
2Fluid extraction-rectification extracts the method for Elemenum in the curcuma zedoary, it is characterized in that the described CO that is dissolved with solute
2Fluid comes out to be introduced into rectifying column by the extractor top, again through separator, forms and refluxes.
Described supercritical CO
2Fluid extraction-rectification extracts the method for Elemenum in the curcuma zedoary, it is characterized in that described curcuma zedoary powder degree is 40 orders.
Described supercritical CO
2Fluid extraction-rectification extracts the method for Elemenum in the curcuma zedoary, it is characterized in that filling stainless steel micropore filamentary webs is as filler in the described rectifying column.
Supercritical CO of the present invention
2The technical progress effect that fluid extraction-rectification extracts the method for Elemenum in the curcuma zedoary shows:
1, adopts supercritical CO
2Fluid extraction combines with rectifying and extracts Elemenum, the extract Rhizoma Curcumae volatile oil that obtains further can be separated, purifies, and can obtain clarification, transparent at last, and color is lurid material, with simple supercritical CO
2Fluid extraction is compared, and the content of Elemenum improves greatly in the products therefrom, can reach 25-33% as the Elemenum content of rectifying two, for the exploitation of subsequent product provides guarantee.
2, the present invention both can put into extraction kettle with Rhizoma Curcumae volatile oil, also the curcuma zedoary powder directly can be put into extraction kettle, and its effective constituent is passed through supercritical CO
2Fluid carries and enters in the rectifying column, the purpose of being separated then, purifying.
3. the extraction of the present invention from the curcuma zedoary to the Elemenum can be finished in a step, simplified operating process, and extraction time also shortened to 2 hours by original more than 20 hours.
Description of drawings
Fig. 1 is one embodiment of the present invention schemas
Fig. 2 is another embodiment schema of the present invention
Fig. 3 is the synoptic diagram of Stainless Steel Helices silk screen in the rectifying column
Embodiment
Embodiment 1: technical process as shown in Figure 1
Take by weighing the 500g Rhizoma Curcumae volatile oil and pack in the extractor, tighten the pressure ring sealing, open CO
2Steel cylinder behind the gas process cleaner I, enters condenser liquefaction, is forced into required pressure by ram pump then, enters cleaner II again and further purifies, and enters extractor bottom, extractor pressure 20MPa, 50 ℃ of extractor temperature by pipeline; Gas enters material bed in the cartridge by the Metal Distribution plate, the fluid that is dissolved with solute is come out to enter rectifying column again through separator earlier by the extractor top and forms backflow, separator pressure is 18MPa, and separator temperature is 25 ℃ (the minimum component of solubleness is removed in the temperature reduction); The pressure of rectifying column is 18MPa, and the rectifying column temperature is respectively rectifying-50 ℃, 2 55 ℃ of rectifying, 3 65 ℃ of rectifying, 4 65 ℃ of rectifying; CO
2Flow is 15-20kg/h.Behind the rectifying 120min, from rectifying column, isolate clarification, transparent, color is lurid material, wherein in rectifying two content of Elemenum the highest＞27.83%, rectifying-Elemenum content＜12.37%, rectifying three Elemenum content＜3.81%, rectifying four Elemenum content＜1.98%.
Embodiment 2: technical process as shown in Figure 2
Take by weighing the 500g Rhizoma Curcumae volatile oil and pack in the extractor, tighten the pressure ring sealing.Extractor pressure 20MPa, 50 ℃ of extractor temperature; The fluid that is dissolved with solute comes out to be introduced into rectifying column by the extractor top, form to reflux through separator again, and the pressure of rectifying column is 18MPa, and the rectifying column temperature is respectively rectifying-50 ℃, 2 55 ℃ of rectifying, 3 65 ℃ of rectifying, 4 65 ℃ of rectifying; The pressure of separator is 8MPa, and the temperature of separator is 25 ℃; CO
2Flow is 15-20kg/h.Behind the rectifying 120min, from rectifying column, isolate clarification, transparent, color is lurid material, in the rectifying two content of Elemenum the highest＞33.59%, rectifying-Elemenum content＜11.83%, rectifying three Elemenum content＜4.22%, rectifying four Elemenum content＜1.79%.
Embodiment 3:
Be the 500g granularity that 40 purpose curcuma zedoary powder are put into extractor directly, tighten the pressure ring sealing.The extraction time is 120min, and following steps are with embodiment 1.Rectifying-Elemenum content is＜10%, and rectifying two Elemenum content are＞25%, and rectifying three Elemenum content are＜5%, and rectifying four Elemenum content are＜2%.
Embodiment 4:
Be the 500g granularity that 40 purpose curcuma zedoary powder are put into extractor directly, tighten the pressure ring sealing.The extraction time is 120min, and following steps are with embodiment 2.Rectifying-Elemenum content is＜10%, and rectifying two Elemenum content are＞25%, and rectifying three Elemenum content are＜5%, and rectifying four Elemenum content are＜2%.
Supercritical CO of the present invention
2Fluid extraction-rectification equipment is selected from Huaan, Nantong supercritical extraction company limited, is divided into four sections in the rectifying column, be called from bottom to top rectifying-, rectifying two, rectifying three and rectifying four; The height of rectifying column is 4m, and internal diameter is 4.8cm.
Listed examples of the present invention is intended to further illustrate processing method, and scope of the present invention is not constituted any restriction.The product that obtains with the embodiment of the invention and all can obtain the Elemenum product via claims 1,2,3,4,5,6 described methods of the present invention.
Claims (6)
1, supercritical CO
2Fluid extraction-rectification extracts the method for Elemenum in the curcuma zedoary, it is characterized in that using CO
2With extractor, separator and rectifying column series connection refluxed and obtain Elemenum when fluid carried out supercritical extraction to Rhizoma Curcumae volatile oil or curcuma zedoary powder.
2, supercritical CO according to claim 1
2Fluid extraction-rectification extracts the method for Elemenum in the curcuma zedoary, it is characterized in that: Rhizoma Curcumae volatile oil or curcuma zedoary powder are put into extractor, open CO
2Steel cylinder behind the gas process cleaner I, enters condenser liquefaction, enters cleaner II again by the ram pump pressurization then and further purifies, and enters the extractor bottom by pipeline, and setting the extractor temperature is 40-55 ℃, and extractor pressure is 12-20Mpa; Come out to enter rectifying column by the extractor top through adjusting, rectifying column is divided into the direction from top to bottom gradually rising of four sections temperature along height, the pressure of setting rectifying column is 10-20MPa, the temperature of rectifying column is from bottom to top: rectifying-45 ℃-55 ℃, 2 50 ℃-60 ℃ of rectifying, 3 55 ℃-65 ℃ of rectifying, 4 65 ℃-75 ℃ of rectifying; Setting separator temperature is 25 ℃, and separator pressure is 8-18Mpa; CO
2Flow is 15-20kg/h, and the rectifying time is 120 minutes, obtains containing the oily mater of Elemenum.
3, supercritical CO according to claim 1 and 2
2Fluid extraction-rectification extracts the method for Elemenum in the curcuma zedoary, it is characterized in that the described CO that is dissolved with solute
2Fluid comes out elder generation through separator by the extractor top, enters rectifying column again, forms and refluxes.
4, supercritical CO according to claim 1 and 2
2Fluid extraction-rectification extracts the method for Elemenum in the curcuma zedoary, it is characterized in that the described CO that is dissolved with solute
2Fluid comes out to be introduced into rectifying column by the extractor top, again through separator, forms and refluxes.
5, supercritical CO according to claim 1 and 2
2Fluid extraction-rectification extracts the method for Elemenum in the curcuma zedoary, it is characterized in that described curcuma zedoary powder degree is 40 orders.
6, supercritical CO according to claim 1 and 2
2Fluid extraction-rectification extracts the method for Elemenum in the curcuma zedoary, it is characterized in that filling stainless steel micropore filamentary webs is as filler in the described rectifying column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100645703A CN1300071C (en) | 2004-11-30 | 2004-11-30 | Method of extracting elemene in curcuma zedoary by super critical carbon dioxide fluid extraction-rectification |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100645703A CN1300071C (en) | 2004-11-30 | 2004-11-30 | Method of extracting elemene in curcuma zedoary by super critical carbon dioxide fluid extraction-rectification |
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| CN1651366A CN1651366A (en) | 2005-08-10 |
| CN1300071C true CN1300071C (en) | 2007-02-14 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100374399C (en) * | 2006-07-21 | 2008-03-12 | 浙江理工大学 | Process of obtaining element |
| CN101433691B (en) * | 2006-08-01 | 2012-03-07 | 烟台大学 | Zedoary turmeric oil extract as well as preparation method and application thereof |
| CN101531563A (en) * | 2009-02-16 | 2009-09-16 | 沈阳万爱普利德医药科技有限公司 | Chemical complexing directional separation and purification method for preparing high-purity beta-elemene raw material medicament |
| CN101492339B (en) * | 2009-03-06 | 2011-10-05 | 北京联合大学应用文理学院 | Process and apparatus for the extraction separation of beta-elemene, and process for producing stuffing |
| CN101810593B (en) | 2010-05-10 | 2012-07-18 | 谢恬 | Elemene sustained-release tablets |
| CN101880597B (en) * | 2010-07-08 | 2012-06-27 | 河北科技大学 | Method for extracting rice bran oil by using ionic liquid and supercritical carbon dioxide (CO2) |
| CN104479881A (en) * | 2014-12-25 | 2015-04-01 | 北京化工大学常州先进材料研究院 | Supercritical CO2 continuous extraction and distillation and low-temperature separation method for rose essential oil |
| CN108120779B (en) * | 2017-12-21 | 2022-09-27 | 广西壮族自治区药用植物园 | Analysis method for rapidly identifying chemical components in curcuma kwangsiensis |
| CN108042758A (en) * | 2017-12-22 | 2018-05-18 | 无锡济民可信山禾药业股份有限公司 | A kind of method that volatile oil in curcuma zedoary medicinal material is separated based on postcritical preparative |
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