CN106221936A - A kind of extracting method of oil of Cymbopogon winterianus - Google Patents
A kind of extracting method of oil of Cymbopogon winterianus Download PDFInfo
- Publication number
- CN106221936A CN106221936A CN201610734505.XA CN201610734505A CN106221936A CN 106221936 A CN106221936 A CN 106221936A CN 201610734505 A CN201610734505 A CN 201610734505A CN 106221936 A CN106221936 A CN 106221936A
- Authority
- CN
- China
- Prior art keywords
- oil
- extraction
- fluid
- herba cymbopogonis
- cymbopogonis citrari
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/02—Recovery or refining of essential oils from raw materials
- C11B9/025—Recovery by solvent extraction
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/02—Recovery or refining of essential oils from raw materials
- C11B9/022—Refining
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Medicines Containing Plant Substances (AREA)
- Fats And Perfumes (AREA)
Abstract
The present invention provides the extracting method of a kind of oil of Cymbopogon winterianus, and step is as follows: the agent of carrying accounting for Herba Cymbopogonis Citrari weight 0.2 0.4% is sprayed in Herba Cymbopogonis Citrari by (1), then is added by Herba Cymbopogonis Citrari in extraction kettle, carries out continuous cycling extraction with supercritical carbon dioxide fluid；Described carry agent and be made up of each component of following mass fraction: ethanol 65 70 parts, benzyl alcohol 35 parts, hexamethylene 0.1 0.3 parts；(2) CO 2 fluid after extraction being entered separator to separate, the flow of CO 2 fluid is 10 13kg/h, and separator pressure is 6 7MPa, temperature is 40 45 DEG C, extracts 1.5 2.5h, releases extract from separator bottom, after standing, obtain oil of Cymbopogon winterianus through oil-water separation.It is high that the method using the present invention extracts the oil of Cymbopogon winterianus purity obtained, and fragrance can be effectively retained.
Description
Technical field
The invention belongs to technical field of plant extraction, be specifically related to the extracting method of a kind of oil of Cymbopogon winterianus.
Background technology
Along with the development of economic society, improving constantly of people's living standard, to the demand of plants essential oil increasingly
Greatly, quintessence oil be that a class is volatile, there is intense flavors and abnormal smells from the patient, can be with the general name of vapor distillation oily liquids out.Essence
The active composition of oil, is of wide application, such as expelling phlegm for arresting cough, stomach invigorating of dispeling the wind, anthelmintic, wrinkle resistant maintenance etc., the most popular
Hydrotherapy (SPA), its marrow is exactly natural plant essence oil.
Summary of the invention
The invention provides the extracting method of a kind of oil of Cymbopogon winterianus.
The present invention provides the extracting method of a kind of oil of Cymbopogon winterianus, and step is as follows:
(1) agent of carrying accounting for Herba Cymbopogonis Citrari weight 0.2-0.4% is sprayed in Herba Cymbopogonis Citrari, then Herba Cymbopogonis Citrari is added in extraction kettle, use supercritical
CO 2 fluid carries out continuous cycling extraction, controls extraction kettle temperature 35-40 DEG C, extracts pressure 15-25MPa, and flow velocity is 16-
18kg/h, extraction time 2-4h；Described carry agent and be made up of each component of following mass fraction: ethanol 65-70 part, benzyl alcohol 3-
5 parts, hexamethylene 0.1-0.3 part；
(2) CO 2 fluid after extraction being entered separator to separate, the flow of CO 2 fluid is 10-13kg/
H, separator pressure is 6-7MPa, and temperature is 40-45 DEG C, extracts 1.5-2.5h, releases extract from separator bottom, stands
After, obtain oil of Cymbopogon winterianus through oil-water separation.
As preferably, step is as follows:
(1) agent of carrying accounting for Herba Cymbopogonis Citrari weight 0.2% is sprayed in Herba Cymbopogonis Citrari, then Herba Cymbopogonis Citrari is added in extraction kettle, use supercritical dioxy
Changing carbon fluid and carry out continuous cycling extraction, control extraction kettle temperature 38 DEG C, extract pressure 20MPa, flow velocity is 17kg/h, during extraction
Between 3h；Described carry agent and be made up of each component of following mass fraction: ethanol 68 parts, benzyl alcohol 4 parts, hexamethylene 0.2 part；
(2) CO 2 fluid after extraction being entered separator to separate, the flow of CO 2 fluid is 12kg/h, point
Being 6.5MPa from device pressure, temperature is 42 DEG C, extracts 2h, releases extract from separator bottom, after standing, obtains through oil-water separation
To oil of Cymbopogon winterianus.
It is high that the method using the present invention extracts the oil of Cymbopogon winterianus purity obtained, and fragrance can be effectively retained.
Detailed description of the invention
Below example facilitates a better understanding of the present invention, but does not limit the present invention.Experiment in following embodiment
Method, if no special instructions, is conventional method.Test material used in following embodiment, if no special instructions, is city
Sell.
Embodiment 1
The present invention provides the extracting method of a kind of oil of Cymbopogon winterianus, and step is as follows:
(1) agent of carrying accounting for Herba Cymbopogonis Citrari weight 0.2% is sprayed in Herba Cymbopogonis Citrari, then Herba Cymbopogonis Citrari is added in extraction kettle, use supercritical dioxy
Changing carbon fluid and carry out continuous cycling extraction, control extraction kettle temperature 38 DEG C, extract pressure 20MPa, flow velocity is 17kg/h, during extraction
Between 3h；Described carry agent and be made up of each component of following mass fraction: ethanol 68 parts, benzyl alcohol 4 parts, hexamethylene 0.2 part；
(2) CO 2 fluid after extraction being entered separator to separate, the flow of CO 2 fluid is 12kg/h, point
Being 6.5MPa from device pressure, temperature is 42 DEG C, extracts 2h, releases extract from separator bottom, after standing, obtains through oil-water separation
To oil of Cymbopogon winterianus.
Embodiment 2
The present invention provides the extracting method of a kind of oil of Cymbopogon winterianus, and step is as follows:
(1) agent of carrying accounting for Herba Cymbopogonis Citrari weight 0.3% is sprayed in Herba Cymbopogonis Citrari, then Herba Cymbopogonis Citrari is added in extraction kettle, use supercritical dioxy
Changing carbon fluid and carry out continuous cycling extraction, control extraction kettle temperature 40 DEG C, extract pressure 25MPa, flow velocity is 16kg/h, during extraction
Between 4h；Described carry agent and be made up of each component of following mass fraction: ethanol 70 parts, benzyl alcohol 3 parts, hexamethylene 0.3 part；
(2) CO 2 fluid after extraction being entered separator to separate, the flow of CO 2 fluid is 13kg/h, point
Being 7MPa from device pressure, temperature is 45 DEG C, extracts 1.5h, releases extract from separator bottom, after standing, obtains through oil-water separation
To oil of Cymbopogon winterianus.
Embodiment 3
The present invention provides the extracting method of a kind of oil of Cymbopogon winterianus, and step is as follows:
(1) agent of carrying accounting for Herba Cymbopogonis Citrari weight 0.4% is sprayed in Herba Cymbopogonis Citrari, then Herba Cymbopogonis Citrari is added in extraction kettle, use supercritical dioxy
Changing carbon fluid and carry out continuous cycling extraction, control extraction kettle temperature 35 DEG C, extract pressure 15MPa, flow velocity is 18kg/h, during extraction
Between 2h；Described carry agent and be made up of each component of following mass fraction: ethanol 65 parts, benzyl alcohol 5 parts, hexamethylene 0.1 part；
(2) CO 2 fluid after extraction being entered separator to separate, the flow of CO 2 fluid is 10kg/h, point
Being 6MPa from device pressure, temperature is 40 DEG C, extracts 2.5h, releases extract from separator bottom, after standing, obtains through oil-water separation
To oil of Cymbopogon winterianus.
Being compared with ethanol with carrying agent, the oil of Cymbopogon winterianus purity that agent prepares of carrying of application the application improves 2-5%.
Directly carrying out compared with supercritical carbon dioxide extraction reacts with without carrying agent, application the application carries agent system
The standby quintessence oil purity obtained improves 6-8%.
Finally it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention,
Although being described in detail the present invention with reference to previous embodiment, for a person skilled in the art, it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent.
All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's
Within protection domain.
Claims (2)
1. the extracting method of an oil of Cymbopogon winterianus, it is characterised in that: step is as follows:
(1) agent of carrying accounting for Herba Cymbopogonis Citrari weight 0.2-0.4% is sprayed in Herba Cymbopogonis Citrari, then Herba Cymbopogonis Citrari is added in extraction kettle, use supercritical
CO 2 fluid carries out continuous cycling extraction, controls extraction kettle temperature 35-40 DEG C, extracts pressure 15-25MPa, and flow velocity is 16-
18kg/h, extraction time 2-4h；Described carry agent and be made up of each component of following mass fraction: ethanol 65-70 part, benzyl alcohol 3-
5 parts, hexamethylene 0.1-0.3 part；
(2) CO 2 fluid after extraction being entered separator to separate, the flow of CO 2 fluid is 10-13kg/
H, separator pressure is 6-7MPa, and temperature is 40-45 DEG C, extracts 1.5-2.5h, releases extract from separator bottom, stands
After, obtain oil of Cymbopogon winterianus through oil-water separation.
Method the most according to claim 1, it is characterised in that: step is as follows:
(1) agent of carrying accounting for Herba Cymbopogonis Citrari weight 0.2% is sprayed in Herba Cymbopogonis Citrari, then Herba Cymbopogonis Citrari is added in extraction kettle, use supercritical dioxy
Changing carbon fluid and carry out continuous cycling extraction, control extraction kettle temperature 38 DEG C, extract pressure 20MPa, flow velocity is 17kg/h, during extraction
Between 3h；Described carry agent and be made up of each component of following mass fraction: ethanol 68 parts, benzyl alcohol 4 parts, hexamethylene 0.2 part；
(2) CO 2 fluid after extraction being entered separator to separate, the flow of CO 2 fluid is 12kg/h, point
Being 6.5MPa from device pressure, temperature is 42 DEG C, extracts 2h, releases extract from separator bottom, after standing, obtains through oil-water separation
To oil of Cymbopogon winterianus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610734505.XA CN106221936A (en) | 2016-08-28 | 2016-08-28 | A kind of extracting method of oil of Cymbopogon winterianus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610734505.XA CN106221936A (en) | 2016-08-28 | 2016-08-28 | A kind of extracting method of oil of Cymbopogon winterianus |
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| Publication Number | Publication Date |
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| CN106221936A true CN106221936A (en) | 2016-12-14 |
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| CN201610734505.XA Pending CN106221936A (en) | 2016-08-28 | 2016-08-28 | A kind of extracting method of oil of Cymbopogon winterianus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108707511A (en) * | 2018-05-30 | 2018-10-26 | 郑州雪麦龙食品香料有限公司 | A kind of extraction process of citronella oil |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1710045A (en) * | 2005-07-04 | 2005-12-21 | 上海应用技术学院 | Lavender essence oil extracting method |
| CN103589515A (en) * | 2013-10-30 | 2014-02-19 | 张秋菊 | Supercritical carbon dioxide extraction method of high-purity lavender essential oil |
| CN103627527A (en) * | 2013-06-30 | 2014-03-12 | 金玛瑙香水（明光）有限公司 | Extraction method of agilawood essential oil |
-
2016
- 2016-08-28 CN CN201610734505.XA patent/CN106221936A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1710045A (en) * | 2005-07-04 | 2005-12-21 | 上海应用技术学院 | Lavender essence oil extracting method |
| CN103627527A (en) * | 2013-06-30 | 2014-03-12 | 金玛瑙香水（明光）有限公司 | Extraction method of agilawood essential oil |
| CN103589515A (en) * | 2013-10-30 | 2014-02-19 | 张秋菊 | Supercritical carbon dioxide extraction method of high-purity lavender essential oil |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108707511A (en) * | 2018-05-30 | 2018-10-26 | 郑州雪麦龙食品香料有限公司 | A kind of extraction process of citronella oil |
| CN108707511B (en) * | 2018-05-30 | 2021-10-26 | 郑州雪麦龙食品香料有限公司 | Extraction process of citronella oil |
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Application publication date: 20161214 |