CN104893816A - Method used for refining essential oil from lemongrass - Google Patents
Method used for refining essential oil from lemongrass Download PDFInfo
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- CN104893816A CN104893816A CN201510243132.1A CN201510243132A CN104893816A CN 104893816 A CN104893816 A CN 104893816A CN 201510243132 A CN201510243132 A CN 201510243132A CN 104893816 A CN104893816 A CN 104893816A
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- essential oil
- herba cymbopogonis
- cymbopogonis citrari
- lemongrass
- steam
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Abstract
The invention provides a method used for refining essential oil from lemongrass. The method comprises following steps: step 1, lemongrass is washed, dried in the air, and smashed into powder with a particle size smaller than 100 meshes; step 2, ether liquid state butane solvent is poured onto lemongrass powder for preextraction for a plurality of times, and the lemongrass powder is delivered into a distiller for distillation so as to obtain steam containing lemongrass essential oil; step 3, the steam containing lemongrass essential oil is subjected to adsorption treatment with an adsorbent; step 4, the steam delivered through the adsorbent is delivered into a cooling tower for cooling; and step 5, the steam is cooled to be a condensate liquid, and the condensate liquid is delivered into an oil-water separation tower so as to obtain lemongrass essential oil via separation. According to the method, solvent extraction and low temperature distillation are adopted for extraction, yield of lemongrass essential oil is increased, energy is saved, the method is simple, no pollution is caused by extraction processes, and oil yield is increased by about 20% compared with that of a conventional steam distillation method.
Description
[technical field]
The present invention relates to essential oil preparation field, be specifically related to a kind of method that Herba Cymbopogonis Citrari refines essential oil.
[background technology]
Herba Cymbopogonis Citrari be growth at semi-tropical a kind of cogongrass spices, Herba Cymbopogonis Citrari itself gives out a kind of citrus scented of natural strong, have and stomach ventilation, the restoring consciouness special efficacy of promoting the sexual maturity.Tool antibacterial ability, can treat cholera, acute gastroenteritis and chronic diarrhoea, and Glycerin contributes to the use of women's skin maintenance, containing a large amount of vitamins Cs, is also the good merchantable brand of cosmetology.Regulate fat secretion, be of value to oiliness skin quality and hair quality, can cleaning skin be added to the water, stimulate circulation.
[summary of the invention]
The invention provides a kind of method that Herba Cymbopogonis Citrari refines essential oil, extraction yield is high, and quality is good, simple for process.
The technical solution adopted in the present invention is: a kind of Herba Cymbopogonis Citrari refines the method for essential oil, follows these steps to obtain: step 1: cleaned by Herba Cymbopogonis Citrari, dry, and is crushed to below 100 orders; Step 2: repeatedly drenched on the broken end of the Herba Cymbopogonis Citrari of pre-extracted by ether liquefied butane solvent, then puts it in distiller and carries out distillation process, must contain the steam of Herba Cymbopogonis Citrari essential oil; Step 3: utilize sorbent material to carry out adsorption treatment to the steam that step 2 gained contains Herba Cymbopogonis Citrari essential oil; Step 4: the steam through sorbent material is sent in cooling tower and cools; Step 5: after steam is cooled to liquid, sends into phlegma in oily water separation tower, isolates Herba Cymbopogonis Citrari essential oil.
Further, in step 1, Herba Cymbopogonis Citrari is crushed to 80 orders.
Further, in step 2, the pressure of distiller is 5-10Mpa, distillation time 8-12 hour, distillation temperature 70-75 degree.
Further, in step 3, the weight ratio of sorbent material and Herba Cymbopogonis Citrari particle is: sorbent material 2-7 part, Herba Cymbopogonis Citrari particle 150 parts.
Further, in step 5, the temperature of oily water separation is 40-45 degree.
The invention has the beneficial effects as follows: the present invention takes solvent extration and cryogenic distillation process to extract, and improves the oil yield of lemongrass essential oil, save energy, technique is simple, and leaching process is pollution-free, and comparatively its oil yield of conventional vapor distillation method improves about 20%.
[embodiment]
Below in conjunction with specific embodiment, the invention will be further described.
A kind of Herba Cymbopogonis Citrari of the present invention refines the method for essential oil, obtains according to the following steps:
Step 1: Herba Cymbopogonis Citrari is cleaned, dries, and be crushed to 80 orders;
Step 2: repeatedly drenched on the broken end of the Herba Cymbopogonis Citrari of pre-extracted by ether liquefied butane solvent, then puts it in distiller and carries out distillation process, must contain the steam of Herba Cymbopogonis Citrari essential oil, wherein, the pressure of distiller is 5-10Mpa, distillation time 8-12 hour, distillation temperature 70-75 degree;
Step 3: utilize sorbent material to carry out adsorption treatment to the steam that step 2 gained contains Herba Cymbopogonis Citrari essential oil, the weight ratio of sorbent material and Herba Cymbopogonis Citrari particle is: sorbent material 2-7 part, Herba Cymbopogonis Citrari particle 150 parts;
Step 4: the steam through sorbent material is sent in cooling tower and cools;
Step 5: after steam is cooled to liquid, sends in oily water separation tower by phlegma, during oily water separation, the temperature of distillate is 40-45 degree, isolates Herba Cymbopogonis Citrari essential oil.
In sum, the present invention takes solvent extration and cryogenic distillation process to extract, and improves the oil yield of lemongrass essential oil, save energy, and technique is simple, and leaching process is pollution-free, and comparatively its oil yield of conventional vapor distillation method improves about 20%.
Claims (5)
1. Herba Cymbopogonis Citrari refines a method for essential oil, it is characterized in that obtaining according to the following steps:
Step 1: Herba Cymbopogonis Citrari is cleaned, dries, and be crushed to below 100 orders;
Step 2: repeatedly drenched on the broken end of the Herba Cymbopogonis Citrari of pre-extracted by ether liquefied butane solvent, then puts it in distiller and carries out distillation process, must contain the steam of Herba Cymbopogonis Citrari essential oil;
Step 3: utilize sorbent material to carry out adsorption treatment to the steam that step 2 gained contains Herba Cymbopogonis Citrari essential oil;
Step 4: the steam through sorbent material is sent in cooling tower and cools;
Step 5: after steam is cooled to liquid, sends into phlegma in oily water separation tower, isolates Herba Cymbopogonis Citrari essential oil.
2. Herba Cymbopogonis Citrari as claimed in claim 1 refines the method for essential oil, and it is characterized in that: in step 1, Herba Cymbopogonis Citrari is crushed to 80 orders.
3. Herba Cymbopogonis Citrari as claimed in claim 1 refines the method for essential oil, and it is characterized in that: in step 2, the pressure of distiller is 5-10Mpa, distillation time 8-12 hour, distillation temperature 70-75 degree.
4. Herba Cymbopogonis Citrari as claimed in claim 1 refines the method for essential oil, and it is characterized in that: in step 3, the weight ratio of sorbent material and Herba Cymbopogonis Citrari particle is: sorbent material 2-7 part, Herba Cymbopogonis Citrari particle 150 parts.
5. Herba Cymbopogonis Citrari as claimed in claim 1 refines the method for essential oil, and it is characterized in that: in step 5, the temperature of oily water separation is 40-45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510243132.1A CN104893816A (en) | 2015-05-13 | 2015-05-13 | Method used for refining essential oil from lemongrass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510243132.1A CN104893816A (en) | 2015-05-13 | 2015-05-13 | Method used for refining essential oil from lemongrass |
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| Publication Number | Publication Date |
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| CN104893816A true CN104893816A (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510243132.1A Pending CN104893816A (en) | 2015-05-13 | 2015-05-13 | Method used for refining essential oil from lemongrass |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105106432A (en) * | 2015-09-14 | 2015-12-02 | 上海成功行生物科技有限公司 | Maca aromatherapy essential oil and preparation method thereof |
| CN108559633A (en) * | 2018-03-18 | 2018-09-21 | 黄振忠 | A kind of lemon-grass extraction of essential oil technique |
| CN112342086A (en) * | 2020-10-23 | 2021-02-09 | 新晃县华森科技有限责任公司 | Plant essential oil aroma enhancement refining method |
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| CN1360624A (en) * | 1999-07-13 | 2002-07-24 | 丹尼斯科埃公司 | Process for separating essential oils from essential oil-contg. material |
| CN1428408A (en) * | 2002-12-09 | 2003-07-09 | 广州合诚三先生物科技有限公司 | New method for extracting jasmine oil |
| CN101353611A (en) * | 2008-08-21 | 2009-01-28 | 许向梅 | Rose essential oil and rose pure dew extraction equipment |
| CN102453610A (en) * | 2010-10-22 | 2012-05-16 | 刘桂君 | Extraction method of cinnamon essential oil |
| CN103333745A (en) * | 2013-07-12 | 2013-10-02 | 徐州华元罐头食品有限公司 | Method of extracting lemongrass essential oil based on supercritical CO2 extraction technology |
| CN103740466A (en) * | 2013-11-06 | 2014-04-23 | 谢大高 | Extraction method for jasmine flower essential oil |
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2015
- 2015-05-13 CN CN201510243132.1A patent/CN104893816A/en active Pending
Patent Citations (6)
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|---|---|---|---|---|
| CN1360624A (en) * | 1999-07-13 | 2002-07-24 | 丹尼斯科埃公司 | Process for separating essential oils from essential oil-contg. material |
| CN1428408A (en) * | 2002-12-09 | 2003-07-09 | 广州合诚三先生物科技有限公司 | New method for extracting jasmine oil |
| CN101353611A (en) * | 2008-08-21 | 2009-01-28 | 许向梅 | Rose essential oil and rose pure dew extraction equipment |
| CN102453610A (en) * | 2010-10-22 | 2012-05-16 | 刘桂君 | Extraction method of cinnamon essential oil |
| CN103333745A (en) * | 2013-07-12 | 2013-10-02 | 徐州华元罐头食品有限公司 | Method of extracting lemongrass essential oil based on supercritical CO2 extraction technology |
| CN103740466A (en) * | 2013-11-06 | 2014-04-23 | 谢大高 | Extraction method for jasmine flower essential oil |
Non-Patent Citations (2)
| Title |
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| 尹学琼等: ""柠檬香茅精油的提取及抗氧化活性"", 《精细化工》 * |
| 王红涛等: "香茅挥发油的提取及其抑菌作用", 《通化师范学院学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105106432A (en) * | 2015-09-14 | 2015-12-02 | 上海成功行生物科技有限公司 | Maca aromatherapy essential oil and preparation method thereof |
| CN108559633A (en) * | 2018-03-18 | 2018-09-21 | 黄振忠 | A kind of lemon-grass extraction of essential oil technique |
| CN112342086A (en) * | 2020-10-23 | 2021-02-09 | 新晃县华森科技有限责任公司 | Plant essential oil aroma enhancement refining method |
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Application publication date: 20150909 |