CN102586025B - Device for extracting and measuring essential oil of ligusticum chuanxiong and use method thereof - Google Patents
Device for extracting and measuring essential oil of ligusticum chuanxiong and use method thereof Download PDFInfo
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- CN102586025B CN102586025B CN 201210077405 CN201210077405A CN102586025B CN 102586025 B CN102586025 B CN 102586025B CN 201210077405 CN201210077405 CN 201210077405 CN 201210077405 A CN201210077405 A CN 201210077405A CN 102586025 B CN102586025 B CN 102586025B
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Abstract
A use method a novel device for extracting and measuring essential oil of ligusticum chuanxiong belong to the technical field of extraction and separation of natural chemical products. The device is composed of a distillation container, a dull polish plug (1), a steam inlet pipe (2), a condenser, an essential oil separator (3), essential oil collecting pipes (4 and 5), a backflow pipe (6), a control piston a (7), a control piston b (8) and a control piston c (9). A lower end point A of a connecting position of the essential oil collecting pipe (4) and the essential oil collecting pipe (5) is higher than a lower end point B of a connecting position of the backflow pipe (6) and the steam inlet pipe (2). The device can extract the essential oil of the ligusticum chuanxiong with density larger than 1g/m<3> and essential oil of the ligusticum chuanxiong with density smaller than 1g/cm<3> respectively, collects the essential oil from different collecting pipes, and calculates volume of the essential oil in different collecting pipes respectively.
Description
Technical field
The invention belongs to the separation and acquisition technical field of natural plant chemical product, is a kind of experimental installation of the extraction and determination of the volatile oil for Ligusticum wallichii and goods thereof.
Background technology
Ligusticum wallichii (Ligusticum chuanxiongHort.) is umbelliferae Ligustrum per nnial herb, with rhizome, is used as medicine, and main effective constituent comprises the compounds such as volatile oil, alkaloid, forulic acid.The volatile oil of plant is referred to as essential oil usually, is the class volatile matter be present in plant organ, can be with wet distillation the general name of oily liquids out.The volatile oil of Ligusticum wallichii has large mesencephalic centre, the vasodilator of inhibition, improves the effects such as microcirculation, anticoagulant, the atherosclerotic formation of antagonism.So extraction and the determination techniques of Rhizoma Chuanxiong volatile oil draw attention day by day.
The method that the volatile oil extraction and determination is used at present mainly comprises wet distillation, solvent extraction, milling process, supercritical fluid extraction, microcapsule-aqueous two-phase extraction etc.In actual applications, most popular method is still hydrodistillation.The Pharmacopoeia of the People's Republic of China (be called for short " Chinese pharmacopoeia) appendix XD of version in 2010 has put down in writing the determination of volatile oil method, but the method can not the accurate-metering Rhizoma Chuanxiong volatile oil in density be greater than 1g/cm
3be less than 1g/cm
3the volume of composition.The present invention can be greater than 1g/cm by Ligusticum wallichii density simultaneously
3be less than 1g/cm with density
3volatile oil separately extract, and accurate-metering and collection, for the volatile oil extraction and determination of Ligusticum wallichii different densities provides new method.
Summary of the invention
Main purpose of the present invention is to provide a kind of new device, and density in Rhizoma Chuanxiong volatile oil is greater than to 1g/cm
3composition and density be less than 1g/cm
3composition extraction and determination separately simultaneously.
The volatile oil extraction and determination new device of Ligusticum wallichii provided by the present invention enters pipe (2), condenser, volatile oil separator (3), volatile oil collection tube (4,5), return line (6), control piston a (7), control piston b (8) and control piston c (9) etc. by distil container, frosted plug (1), steam and forms.
Wherein, this device has the frosted plug (1) of standard, and volatile oil separator (3) upper end is with the frosted interface of standard; Return line (6) is provided with control piston c (9); Be provided with two volatile oil collection tubes (4,5) in volatile oil separator (3) lower end, the liquid outlet of its lower end all be 45 ° oblique, in order to collect the whole volatile oil extract; Volatile oil collection tube (4) enters the lower end B point of pipe (2) junction with the lower end A point of volatile oil collection tube (5) junction higher than return line (6) and steam; Volatile oil collection tube (4) is upper, and with measuring scale and control piston a (7), it measures range is 3ml, and minimum scale is 0.1ml, for collection density, is greater than 1g/cm
3volatile oil; Volatile oil collection tube (5) is upper, and with measuring scale and control piston b (8), it measures range is 2ml, and minimum scale is 0.1ml, for collection density, is less than 1g/cm
3volatile oil.
Described frosted plug (1) is the connection in order more to seal with distil container, and the steam in distil container enters steam by the through hole in the middle of frosted plug (1) and enters in pipe (2); And volatile oil separator (3) upper end with standard frosted interface be for and condenser between be tightly connected, drop after vapor condensation is splashed in the volatile oil separator realize volatile oil and water to be separated; The water surface in volatile oil collection tube (4) during higher than the B point, enters in distil container and realizes water cycle by return line (6).
Advantage of the present invention is:
The present invention realizes the volatile oil extraction and determination of Ligusticum wallichii different densities by the volatile oil extraction and determination new device that a kind of Ligusticum wallichii is provided.
1. extraction and determination new device provided by the invention can be greater than 1g/cm by Ligusticum wallichii density simultaneously
3be less than 1g/cm with density
3volatile oil separately extract, and accurate-metering and collection.
2. extraction and determination device provided by the invention can adopt the material of unlike material to make as required, and cost is controlled.
3. extraction and determination device provided by the invention is reasonable in design, simple to operate.
The accompanying drawing explanation
The structural representation of the volatile oil extraction and determination device that Fig. 1 is Ligusticum wallichii of the present invention; Fig. 2 is volatile oil collection tube (4) schematic diagram; Fig. 3 is volatile oil collection tube (5) schematic diagram.
Embodiment
Below in conjunction with this embodiment, the present invention is described in further detail.
The using method of Rhizoma Chuanxiong volatile oil extraction and determination new device, the Ligusticum wallichii sample is put into distil container, and adds appropriate distilled water; Distil container is connected with frosted plug (1), the frosted interface of volatile oil separator (3) upper end is connected with condenser, at the water-in of condenser, connects water inlet pipe, and water outlet connects rising pipe, and distil container is put on water-bath or electric mantle to fixing complete assembly; Closing control piston a (7) and control piston b (8), open control piston c (9), from prolong upper end Jia Shui, until when the water surface in volatile oil collection tube (4) and B point level (now water enters distil container from the overflow of B point), start to heat and keep micro-and boil, through condensed water and volatile oil, flow in volatile oil collection tube (4), density is greater than 1g/cm
3volatile oil be sunken to below, density is less than 1g/cm
3volatile oil bubble through the water column above, unnecessary water is back to distil container; When the volatile oil quantity in volatile oil collection tube (4) no longer increases, closing control piston c (9), and continue heating, make the liquid level in volatile oil collection tube (4) increase gradually, until density is less than 1g/cm
3volatile oil while all flowing in volatile oil collection tube (5) (water surface in volatile oil collection tube (4) arrives the A point) open control piston c (9), and stop heating; Read its volume after volatile oil in volatile oil collection tube (4,5) is cooling, and open respectively control piston a (7) and control piston b (8) and collect the volatile oil extracted.
Claims (1)
1. the using method of a Rhizoma Chuanxiong volatile oil extraction and determination new device, it is characterized in that, this new device is to enter pipe (2), condenser, volatile oil separator (3), volatile oil collection tube (4 by distil container, frosted plug (1), steam, 5), return line (6), control piston a (7), control piston b (8) and control piston c (9) form, wherein return line (6) is provided with control piston c (9), and volatile oil collection tube (4) enters the lower end B point of pipe (2) junction with the lower end A point of volatile oil collection tube (5) junction higher than return line (6) and steam; The using method of this device is:
1) the Ligusticum wallichii sample is put into to distil container, and add appropriate distilled water;
2) distil container is connected with frosted plug (1), the frosted interface of volatile oil separator (3) upper end is connected with condenser;
3) water-in of condenser is connected to water inlet pipe, water outlet connects rising pipe;
4) distil container is placed on water-bath or electric mantle, fixedly complete assembly;
5) from prolong upper end Jia Shui, until when the water surface in volatile oil collection tube (4) and B point level, start to heat and keep micro-and boil;
While 6) the volatile oil quantity in volatile oil collection tube (4) no longer being increased, closing control piston c (9), and continue heating, make the liquid level in volatile oil collection tube (4) increase gradually, until density is less than 1g/cm
3volatile oil while all flowing in volatile oil collection tube (5), the water surface in volatile oil collection tube (4) arrives the A point, opens control piston c (9), and stops heating;
7) treat that volatile oil in volatile oil collection tube (4,5) reads its volume after cooling, and open respectively control piston a (7) and control piston b (8) collects the volatile oil extracted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210077405 CN102586025B (en) | 2012-03-22 | 2012-03-22 | Device for extracting and measuring essential oil of ligusticum chuanxiong and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210077405 CN102586025B (en) | 2012-03-22 | 2012-03-22 | Device for extracting and measuring essential oil of ligusticum chuanxiong and use method thereof |
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| Publication Number | Publication Date |
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| CN102586025A CN102586025A (en) | 2012-07-18 |
| CN102586025B true CN102586025B (en) | 2013-12-25 |
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| CN 201210077405 Expired - Fee Related CN102586025B (en) | 2012-03-22 | 2012-03-22 | Device for extracting and measuring essential oil of ligusticum chuanxiong and use method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104673494B (en) * | 2015-01-26 | 2018-03-06 | 浙江医学高等专科学校 | It is a kind of to extract the light, extractor of heavy volatile oil simultaneously |
| CN107219181A (en) * | 2017-06-22 | 2017-09-29 | 四川农业大学 | Linear standard curve method for building up for determining flue-cured tobacco volatile oil solution concentration |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1208109C (en) * | 2003-01-23 | 2005-06-29 | 华南师范大学 | Segregator for extracting volatile oils and its usage |
| CN2869023Y (en) * | 2005-12-29 | 2007-02-14 | 华南师范大学 | Plant volatile oil extractor |
| CN201241116Y (en) * | 2008-04-28 | 2009-05-20 | 湖北中烟工业有限责任公司 | High-efficiency essential oil extracting device |
| CN201400668Y (en) * | 2009-05-04 | 2010-02-10 | 中国科学院植物研究所 | Plant essential oil extracting device |
| CN101538510B (en) * | 2009-05-04 | 2011-12-07 | 中国科学院植物研究所 | Plant volatile oil extractor and application thereof |
| CN201785376U (en) * | 2010-09-16 | 2011-04-06 | 李文军 | Volatile oil extracting device for laboratory |
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