CN106318636A - Extracting method for mint essential oil - Google Patents
Extracting method for mint essential oil Download PDFInfo
- Publication number
- CN106318636A CN106318636A CN201610734561.3A CN201610734561A CN106318636A CN 106318636 A CN106318636 A CN 106318636A CN 201610734561 A CN201610734561 A CN 201610734561A CN 106318636 A CN106318636 A CN 106318636A
- Authority
- CN
- China
- Prior art keywords
- extraction
- separator
- essential oil
- herba menthae
- fluid
- 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
-
- 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
-
- 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
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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 invention relates to an extracting method for mint essential oil. The extracting method comprises the following steps that firstly, a carrying agent accounting for 0.2-0.4% of fresh mint leaves by weight is sprayed into the fresh mint leaves, then the fresh mint leaves are added into an extraction kettle, and continuous circular extraction is carried out with supercritical carbon dioxide fluid, wherein the carrying agent is prepared from, by mass, 50-55 parts of ethyl alcohol, 3-5 parts of acetone and 0.1-0.3 part of normal hexane; secondly, carbon dioxide fluid remaining after extraction enters a separator to be separated, extraction is carried out for 1.5-2.5 h, extract matter is discharged from the bottom of the separator, standing is carried out, and the mint essential oil is obtained through oil-water separation, wherein the flow rate of the carbon dioxide fluid is 10-13 kg/h, the pressure of the separator is 6-7 MPa, and the temperature of the separator is 40-45 DEG C. The mint essential oil obtained through extraction with the method is high in purity, and the aroma can be effectively preserved.
Description
Technical field
The invention belongs to technical field of plant extraction, be specifically related to the extracting method of a kind of Peppermint essential oil.
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 Peppermint essential oil.
The present invention provides the extracting method of a kind of Peppermint essential oil, and step is as follows:
(1) agent of carrying accounting for Herba Menthae fresh leaf weight 0.2-0.4% is sprayed in the fresh leaf of Herba Menthae, fresher for Herba Menthae leaf is added extraction
In still, carry out continuous cycling extraction with supercritical carbon dioxide fluid, control extraction kettle temperature 35-40 DEG C, extract pressure 15-
25MPa, 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
50-55 part, acetone 3-5 part, normal hexane 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 Peppermint essential oil through oil-water separation.
As preferably, step is as follows:
(1) agent of carrying accounting for Herba Menthae fresh leaf weight 0.2% is sprayed in the fresh leaf of Herba Menthae, fresher for Herba Menthae leaf is added in extraction kettle,
Carrying out continuous cycling extraction with supercritical carbon dioxide fluid, control extraction kettle temperature 38 DEG C, extract pressure 20MPa, flow velocity is
17kg/h, extraction time 3h；Described carry agent and be made up of each component of following mass fraction: ethanol 52 parts, 4 parts of acetone, just oneself
0.2 part of alkane；
(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 Peppermint essential oil.
It is high that the method using the present invention extracts the Peppermint essential oil 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 Peppermint essential oil, and step is as follows:
(1) agent of carrying accounting for Herba Menthae fresh leaf weight 0.2% is sprayed in the fresh leaf of Herba Menthae, fresher for Herba Menthae leaf is added in extraction kettle,
Carrying out continuous cycling extraction with supercritical carbon dioxide fluid, control extraction kettle temperature 38 DEG C, extract pressure 20MPa, flow velocity is
17kg/h, extraction time 3h；Described carry agent and be made up of each component of following mass fraction: ethanol 52 parts, 4 parts of acetone, just oneself
0.2 part of alkane；
(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 Peppermint essential oil.
Embodiment 2
The present invention provides the extracting method of a kind of Peppermint essential oil, and step is as follows:
(1) agent of carrying accounting for Herba Menthae fresh leaf weight 0.3% is sprayed in the fresh leaf of Herba Menthae, fresher for Herba Menthae leaf is added in extraction kettle,
Carrying out continuous cycling extraction with supercritical carbon dioxide fluid, control extraction kettle temperature 40 DEG C, extract pressure 25MPa, flow velocity is
16kg/h, extraction time 4h；Described carry agent and be made up of each component of following mass fraction: ethanol 55 parts, 3 parts of acetone, just oneself
0.3 part of alkane；
(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 Peppermint essential oil.
Embodiment 3
The present invention provides the extracting method of a kind of Peppermint essential oil, and step is as follows:
(1) agent of carrying accounting for Herba Menthae fresh leaf weight 0.4% is sprayed in the fresh leaf of Herba Menthae, fresher for Herba Menthae leaf is added in extraction kettle,
Carrying out continuous cycling extraction with supercritical carbon dioxide fluid, control extraction kettle temperature 35 DEG C, extract pressure 15MPa, flow velocity is
18kg/h, extraction time 2h；Described carry agent and be made up of each component of following mass fraction: ethanol 50 parts, 5 parts of acetone, just oneself
0.1 part of alkane；
(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 Peppermint essential oil.
Being compared with ethanol with carrying agent, the Peppermint essential oil 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 5-8%.
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 a Peppermint essential oil, it is characterised in that: step is as follows:
(1) agent of carrying accounting for Herba Menthae fresh leaf weight 0.2-0.4% is sprayed in the fresh leaf of Herba Menthae, fresher for Herba Menthae leaf is added extraction
In still, carry out continuous cycling extraction with supercritical carbon dioxide fluid, control extraction kettle temperature 35-40 DEG C, extract pressure 15-
25MPa, 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
50-55 part, acetone 3-5 part, normal hexane 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 Peppermint essential oil 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 Menthae fresh leaf weight 0.2% is sprayed in the fresh leaf of Herba Menthae, fresher for Herba Menthae leaf is added in extraction kettle,
Carrying out continuous cycling extraction with supercritical carbon dioxide fluid, control extraction kettle temperature 38 DEG C, extract pressure 20MPa, flow velocity is
17kg/h, extraction time 3h；Described carry agent and be made up of each component of following mass fraction: ethanol 52 parts, 4 parts of acetone, just oneself
0.2 part of alkane；
(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 Peppermint essential oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610734561.3A CN106318636A (en) | 2016-08-28 | 2016-08-28 | Extracting method for mint essential oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610734561.3A CN106318636A (en) | 2016-08-28 | 2016-08-28 | Extracting method for mint essential oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106318636A true CN106318636A (en) | 2017-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610734561.3A Pending CN106318636A (en) | 2016-08-28 | 2016-08-28 | Extracting method for mint essential oil |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102559385A (en) * | 2010-12-14 | 2012-07-11 | 安徽同辉香料有限公司 | Production process method for extracting peppermint oil with supercritical carbon dioxide |
| CN103589515A (en) * | 2013-10-30 | 2014-02-19 | 张秋菊 | Supercritical carbon dioxide extraction method of high-purity lavender essential oil |
-
2016
- 2016-08-28 CN CN201610734561.3A patent/CN106318636A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102559385A (en) * | 2010-12-14 | 2012-07-11 | 安徽同辉香料有限公司 | Production process method for extracting peppermint oil with supercritical carbon dioxide |
| CN103589515A (en) * | 2013-10-30 | 2014-02-19 | 张秋菊 | Supercritical carbon dioxide extraction method of high-purity lavender essential oil |
Non-Patent Citations (2)
| Title |
|---|
| 田慧芳，等: "苏格兰薄荷精油香气成分分析", 《北京农学院学报》 * |
| 贾秀艳，等: "薄荷精油的超临界二氧化碳提取及其抗菌活性研究", 《食品工业》 * |
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Application publication date: 20170111 |
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