CN106433980A - Extraction method of geranium essential oil - Google Patents
Extraction method of geranium essential oil Download PDFInfo
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- CN106433980A CN106433980A CN201610734552.4A CN201610734552A CN106433980A CN 106433980 A CN106433980 A CN 106433980A CN 201610734552 A CN201610734552 A CN 201610734552A CN 106433980 A CN106433980 A CN 106433980A
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- 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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- Life Sciences & Earth Sciences (AREA)
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- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
The invention provides an extraction method of geranium essential oil. The method comprises the steps that 1, a carrying agent accounting for 0.4-0.6% of geranium fresh flowers is sprayed on the geranium fresh flowers, and then the geranium fresh flowers are added into an extraction kettle for continuous recycling extraction with supercritical carbon dioxide fluid, wherein the carrying agent is prepared from, by mass, 65-70 parts of ethyl alcohol, 3-5 parts of cyclohexane and 0.6-0.8 part of dichloroethane; 2, the carbon dioxide fluid after extraction enters a separator for separation, wherein the flow rate of the carbon dioxide fluid is 10-13 kg/h, the pressure of the separator is 6-7 MPa, the temperature is 38-42 DEG C, and the time for extraction is 1.5-2.5 h; extract is discharged from the bottom of the separator, still standing is conducted, and then the geranium essential oil is obtained after oil-water separation. By means of the extraction method, the prepared geranium essential oil is high in purity, and the fragrance can be effectively reserved.
Description
Technical field
The invention belongs to technical field of plant extraction, and in particular to a kind of extracting method of Geranium Essential.
Background technology
With the continuous development of economic society, the continuous improvement of people's living standard, to the demand of plants essential oil increasingly
Greatly, quintessence oil be a class volatile, with 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, and such as expelling phlegm for arresting cough, wind-dispelling stomach invigorating, anthelmintic, wrinkle resistant maintenance etc., most popular at present
Hydrotherapy (SPA), its marrow is exactly natural plant essence oil.
Content of the invention
The invention provides a kind of extracting method of Geranium Essential.
The present invention provides a kind of extracting method of Geranium Essential, and step is as follows:
(1)The carrying agent for accounting for Flos Pelargonii flower weight 0.4-0.6% is sprayed in Flos Pelargonii flower, then Flos Pelargonii flower is added
Entering in extraction kettle, continuous cycling extraction is carried out with supercritical carbon dioxide fluid, controls extraction kettle temperature 35-40 DEG C, extraction pressure
Strong 18-22MPa, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity;The carrying agent is grouped into by each group of following mass fraction:
Ethanol 65-70 part, hexamethylene 3-5 part, dichloroethanes 0.6-0.8 part;
(2)CO 2 fluid after extraction is entered separator to carry out separating, and the flow of CO 2 fluid is 10-13kg/
H, separator pressure is that 6-7MPa, temperature is 38-42 DEG C, extracts 1.5-2.5h, releases extract, standing from separator bottom
Afterwards, through oil-water separation, Geranium Essential is obtained.
Preferably, step is as follows:
(1)The carrying agent for accounting for Flos Pelargonii flower weight 0.5% is sprayed in Flos Pelargonii flower, then Flos Pelargonii flower is added extraction
Taking in kettle, continuous cycling extraction carried out with supercritical carbon dioxide fluid, control 38 DEG C of extraction kettle temperature, extracts pressure 20MPa,
Flow velocity is 17kg/h, extraction time 3h;The carrying agent is grouped into by each group of following mass fraction:68 parts of ethanol, hexamethylene 4
Part, 0.7 part of dichloroethanes;
(2)CO 2 fluid after extraction is entered separator to carry out separating, and the flow of CO 2 fluid is 12kg/h, point
Being that 6.5MPa, temperature is 42 DEG C from device pressure, 2h is extracted, extract is released from separator bottom, after standing, obtain through oil-water separation
To Geranium Essential.
The Geranium Essential purity height for obtaining is extracted using the method for the present invention, fragrance can be effectively retained.
Specific embodiment
Below example facilitates a better understanding of the present invention, but does not limit the present invention.Experiment in following embodiments
Method, if no special instructions, is conventional method.In following embodiments, test material used, if no special instructions, is city
Sell.
Embodiment 1
The present invention provides a kind of extracting method of Geranium Essential, and step is as follows:
(1)The carrying agent for accounting for Flos Pelargonii flower weight 0.5% is sprayed in Flos Pelargonii flower, then Flos Pelargonii flower is added extraction
Taking in kettle, continuous cycling extraction carried out with supercritical carbon dioxide fluid, control 38 DEG C of extraction kettle temperature, extracts pressure 20MPa,
Flow velocity is 17kg/h, extraction time 3h;The carrying agent is grouped into by each group of following mass fraction:68 parts of ethanol, hexamethylene 4
Part, 0.7 part of dichloroethanes;
(2)CO 2 fluid after extraction is entered separator to carry out separating, and the flow of CO 2 fluid is 12kg/h, point
Being that 6.5MPa, temperature is 42 DEG C from device pressure, 2h is extracted, extract is released from separator bottom, after standing, obtain through oil-water separation
To Geranium Essential.
Embodiment 2
The present invention provides a kind of extracting method of Geranium Essential, and step is as follows:
(1)The carrying agent for accounting for Flos Pelargonii flower weight 0.6% is sprayed in Flos Pelargonii flower, then Flos Pelargonii flower is added extraction
Taking in kettle, continuous cycling extraction carried out with supercritical carbon dioxide fluid, control 40 DEG C of extraction kettle temperature, extracts pressure 22MPa,
Flow velocity is 16kg/h, extraction time 4h;The carrying agent is grouped into by each group of following mass fraction:70 parts of ethanol, hexamethylene 3
Part, 0.6 part of dichloroethanes;
(2)CO 2 fluid after extraction is entered separator to carry out separating, and the flow of CO 2 fluid is 10kg/h, point
Being that 6MPa, temperature is 40 DEG C from device pressure, 2.5h is extracted, extract is released from separator bottom, after standing, obtain through oil-water separation
To Geranium Essential.
Embodiment 3
The present invention provides a kind of extracting method of Geranium Essential, and step is as follows:
(1)The carrying agent for accounting for Flos Pelargonii flower weight 0.4% is sprayed in Flos Pelargonii flower, then Flos Pelargonii flower is added extraction
Taking in kettle, continuous cycling extraction carried out with supercritical carbon dioxide fluid, control 35 DEG C of extraction kettle temperature, extracts pressure 18MPa,
Flow velocity is 18kg/h, extraction time 2h;The carrying agent is grouped into by each group of following mass fraction:65 parts of ethanol, hexamethylene 5
Part, 0.8 part of dichloroethanes;
(2)CO 2 fluid after extraction is entered separator to carry out separating, and the flow of CO 2 fluid is 13kg/h, point
Being that 7MPa, temperature is 38 DEG C from device pressure, 1.5h is extracted, extract is released from separator bottom, after standing, obtain through oil-water separation
To Geranium Essential.
With carry agent for ethanol compared with, apply the Geranium Essential purity for preparing of agent that carries of the application to improve 2-
4%.
Compared with supercritical carbon dioxide extraction reaction directly being carried out without carrying agent, apply the carrying agent system of the application
The standby quintessence oil purity for obtaining improves 4-6%.
Finally it should be noted that:The preferred embodiments of the present invention are the foregoing is only, the present invention are not limited to,
Although being described in detail to the present invention with reference to the foregoing embodiments, for a person skilled in the art, which still may be used
To modify to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic.
All any modification, equivalent substitution and improvement that within the spirit and principles in the present invention, is made etc., should be included in the present invention's
Within protection domain.
Claims (2)
1. a kind of extracting method of Geranium Essential, it is characterised in that:Step is as follows:
(1)The carrying agent for accounting for Flos Pelargonii flower weight 0.4-0.6% is sprayed in Flos Pelargonii flower, then Flos Pelargonii flower is added
Entering in extraction kettle, continuous cycling extraction is carried out with supercritical carbon dioxide fluid, controls extraction kettle temperature 35-40 DEG C, extraction pressure
Strong 18-22MPa, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity is 16-18kg/h, extraction time 2-4h, flow velocity;The carrying agent is grouped into by each group of following mass fraction:
Ethanol 65-70 part, hexamethylene 3-5 part, dichloroethanes 0.6-0.8 part;
(2)CO 2 fluid after extraction is entered separator to carry out separating, and the flow of CO 2 fluid is 10-13kg/
H, separator pressure is that 6-7MPa, temperature is 38-42 DEG C, extracts 1.5-2.5h, releases extract, standing from separator bottom
Afterwards, through oil-water separation, Geranium Essential is obtained.
2. method according to claim 1, it is characterised in that:Step is as follows:
(1)The carrying agent for accounting for Flos Pelargonii flower weight 0.5% is sprayed in Flos Pelargonii flower, then Flos Pelargonii flower is added extraction
Taking in kettle, continuous cycling extraction carried out with supercritical carbon dioxide fluid, control 38 DEG C of extraction kettle temperature, extracts pressure 20MPa,
Flow velocity is 17kg/h, extraction time 3h;The carrying agent is grouped into by each group of following mass fraction:68 parts of ethanol, hexamethylene 4
Part, 0.7 part of dichloroethanes;
(2)CO 2 fluid after extraction is entered separator to carry out separating, and the flow of CO 2 fluid is 12kg/h, point
Being that 6.5MPa, temperature is 42 DEG C from device pressure, 2h is extracted, extract is released from separator bottom, after standing, obtain through oil-water separation
To Geranium Essential.
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103146483A (en) * | 2013-03-21 | 2013-06-12 | 红云红河烟草(集团)有限责任公司 | Pelargonium roseum extract and application thereof in cigarettes |
CN103263078A (en) * | 2013-05-23 | 2013-08-28 | 红云红河烟草(集团)有限责任公司 | Preparation method of low-temperature tobacco material for non-combustion cigarette |
CN103330661A (en) * | 2013-06-08 | 2013-10-02 | 吴江市利达上光制品有限公司 | Preparation method of mosquito-repellent perfume |
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 CN201610734552.4A patent/CN106433980A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103146483A (en) * | 2013-03-21 | 2013-06-12 | 红云红河烟草(集团)有限责任公司 | Pelargonium roseum extract and application thereof in cigarettes |
CN103263078A (en) * | 2013-05-23 | 2013-08-28 | 红云红河烟草(集团)有限责任公司 | Preparation method of low-temperature tobacco material for non-combustion cigarette |
CN103330661A (en) * | 2013-06-08 | 2013-10-02 | 吴江市利达上光制品有限公司 | Preparation method of mosquito-repellent perfume |
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 (1)
Title |
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毛海舫等: "《天然香料加工工艺学》", 31 January 2006, 中国轻工业出版社 * |
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