CN100441669C - Method of extracting fresh pomelo flower fragrant substance - Google Patents
Method of extracting fresh pomelo flower fragrant substance Download PDFInfo
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- CN100441669C CN100441669C CNB2006100880929A CN200610088092A CN100441669C CN 100441669 C CN100441669 C CN 100441669C CN B2006100880929 A CNB2006100880929 A CN B2006100880929A CN 200610088092 A CN200610088092 A CN 200610088092A CN 100441669 C CN100441669 C CN 100441669C
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Abstract
The present invention relates to a method for extracting fresh shaddock flower aromatic matter. Supercritical state CO2 is used for extracting and separating on a supercritical fluid extraction device. Extraction pressure and extraction temperature are respectively from 8 to 15MPa and from 10 to 30 DEG C. Separation pressure and separation temperature are respectively from 3 to 5MPa and from 20 to 30 DEG C. Extraction time is from 0.5 to 2 hours. The one-time work efficiency of the method is over 85%. 28 main aromatic oil components comprising ethyl to hexane, etc. account for 80%.
Description
One, technical field:
The present invention relates to a kind of method of in plant, extracting activeconstituents, particularly the method for extraction aroma substance in the plant fresh flower, the specifically method of extraction aroma substance from the shaddock fresh flower.
Two, background technology:
Shaddock was bloomed between April in the annual last ten-days period in March, and fresh shaddock fragrance of a flower gas is salubrious, sweet, strong fragrant, makes the people feel pure and fresh restoring consciouness, and its fragrance ingredient can be used to the senior essence of development of new, the cosmetics of super quality.In the period of the Qing Dynasty, just once used shaddock anthosin system beauty treatment grease in the imperial palace.Lose fragrance after fresh shaddock flower dries, illustrate that its aroma substance is subjected to light, heat back highly volatile, the use heat, the light that require extraction process to try one's best few are exposed in the oxygen as far as possible less.The exploitation appropriate processing condition is with extraction essence, utilize the shaddock resource rationally and effectively.
Three, summary of the invention:
It is perfume oil percentage extraction and quality product that extracting process provided by the invention is intended to improve pomelo flower fragrant substance.Technical problem to be solved is to select appropriate solvent and suitable process conditions thereof.
Technical scheme of the present invention is to extract on the device of supercritical fluid extraction and separate, and difference with the prior art is with subcritical state CO
2Extract and separate the processing condition of use as solvent: extracting pressure 8～15MPa, extraction temperature is 10～30 ℃; Separating pressure 3～5MPa, separation temperature is 20～30 ℃, 0.5～2 hour extraction time.
When use the supercritical process condition extract, when separating, particularly when extraction temperature＞31 ℃, the foreign matter content in the resultant crude product is higher, makes follow-up separating technology complicated operation, influences the overall yield and the quality product of perfume oil.
Think CO in theory
2During as solvent, different substances is different solubility therein, and directly related with temperature and pressure two factors of system.In general, along with the rising of extraction temperature, fragrant oil from pomelo flower crude extract quality is big more, and foreign matter content is also many more, and quality product is also poor more.But the present invention finds: in 10～30 ℃ scope, along with the reduction of extraction temperature, CO
2The extracting power of fragrant oil from pomelo flower is not deferred to the rule that temperature decline extracting power descends, extracting power to impurity then descends and obviously descends with temperature on the contrary, so the present invention is by adjusting extraction temperature, under the situation of the percentage extraction that does not influence fragrant oil from pomelo flower, the impurity in the crude product is starkly lower than existing supercritical CO
2Extraction process.
Because CO
2Extraction temperature reduces, for improving CO
2Whole extraction efficiency shortens the extraction time, suitably increases extracting pressure to 8～15MPa.
As long as select pressure, a temperature preferably, and after fresh shaddock flower carried out appropriate fragmentation, generally just can be about 1h with most of fragrant oil from pomelo flower.In 2h, fragrant oil from pomelo flower fully can be extracted substantially.
For the impurity in the fragrant oil from pomelo flower is better separated, to improve the purity of perfume oil, can also carry out gradient separations, promptly in the prior art under 1 separating still prerequisite, increase the separating still more than 1 again, adjust the pressure and temperature of each separating still, make the composition and the content of the material that each separating still extracts all different by gradient, to reduce foreign matter content in the fragrant oil from pomelo flower crude product, the purity of fragrant oil from pomelo flower crude product is improved.
The fragrant oil from pomelo flower of the present invention extracting and separating efficient of flow process entirely surpasses 85%, is better than supercritical extraction, and foreign matter content is obviously on the low side in the crude product, makes follow-up process for refining simple to operate, and the overall yield of fragrant oil from pomelo flower is improved.
By subcritical state CO
2The fresh fragrant oil from pomelo flower that extracting and separating obtains adopts gas chromatography-mass spectrum (GC-MS) combined instrument that it is carried out analyzing and testing, by HP MSD chem workstation retrieval WILEY mass spectrogram storehouse, and in conjunction with relevant document evaluation chemical ingredients; The peak area ratio analysis is by HP MSD chem workstation data handling system, is undertaken by the peak area normalization method.The result therefrom identifies 28 kinds of chemical ingredientss, and the component content that identifies accounts for 80% of total aroma substance oil.
Table 1, fresh fragrant oil from pomelo flower main component
Four, embodiment:
Working method:
Connect power supply earlier, restart the temperature controlled water bath switch, equipment preheating 30min; Afterwards fresh shaddock flower raw material weighing is dropped in the extraction kettle, close the extraction kettle capping, open CO again
2Gas cylinder when extraction kettle, when separating still arrives required temperature, is opened membrane compressor and is also controlled CO
2Flow velocity makes extraction kettle, separating still reach required pressure respectively, opens relief valve and begins cycling extraction, closes CO simultaneously
2Gas cylinder is regulated relief valve at any time and is made extraction kettle, separating still keep the constant compression force cycling extraction.When extraction reaches seclected time, shut down, open the separating still bleeder valve, promptly get the crude product of fragrant oil from pomelo flower.
Non-limiting examples is described below:
1, with fresh shaddock flower raw material, takes by weighing 1kg after the chopping and drop into extraction kettle, begin after material installs extraction kettle and extraction-container are carried out temperature control.When extraction temperature reaches 15 ℃, when the separating still temperature reaches 20 ℃, begin to pour CO
2And pressurization, when extraction kettle pressure reaches 8MPa and separating still pressure and reaches 4MPa, open relief valve and begin extraction, and the control by relief valve, CO
2Flow velocity 10L/min keeps above parameter constant, behind the extraction 120min, shuts down the crude product that discharging obtains the colourless fragrant oil from pomelo flower of 25ml, and the extracting and separating efficient of calculating fragrant oil from pomelo flower is 86.2%.
2, with example 1 operation, throw fresh shaddock flower raw material 1kg, be 12MPa in extracting pressure, separating pressure 4MPa, 20 ℃ of extraction temperature, 20 ℃ of separation temperatures, CO
2Flow velocity 10L/min shuts down the crude product that discharging obtains the light yellow fragrant oil from pomelo flower of 66ml after extracting 90min down, and the extracting and separating efficient of calculating fragrant oil from pomelo flower is 90.5%.
3, with example 1 operation, throw fresh shaddock flower raw material 1kg, be 15MPa in extracting pressure, separating pressure 5MPa, 25 ℃ of extraction temperature, 30 ℃ of separation temperatures, CO
2Flow velocity 10L/min shuts down the crude product that discharging obtains the little yellow fragrant oil from pomelo flower of 81ml after extracting 90min down, and the extracting and separating efficient of calculating fragrant oil from pomelo flower is 93.2%.
4, with example 1 operation, throw fresh shaddock flower raw material 1kg, be 12MPa in extracting pressure, separating pressure 4MPa, 10 ℃ of extraction temperature, 30 ℃ of separation temperatures, CO
2Flow velocity 10L/min shuts down the crude product that discharging obtains the light yellow fragrant oil from pomelo flower of 59ml after extracting 90min down, and the extracting and separating efficient of calculating fragrant oil from pomelo flower is 91.2%.
5, with example 1 operation, throw fresh shaddock flower raw material 1kg, be 15MPa in extracting pressure, separating pressure 4MPa, 15 ℃ of extraction temperature, 20 ℃ of separation temperatures, CO
2Flow velocity 10L/min shuts down the crude product that discharging obtains the little yellow fragrant oil from pomelo flower of 77ml after extracting 60min down, and the extracting and separating efficient of calculating fragrant oil from pomelo flower is 94.7%.
Claims (1)
1, a kind of method of extracting fresh pomelo flower fragrant substance, the employing supercritical fluid extraction equipment extracts and separates, and it is characterized in that: the CO that uses subcritical state
2Extract and separate extracting pressure 8～15MPa, 10～30 ℃ of extraction temperature as solvent; Separating pressure 3～5MPa,, 20～30 ℃ of separation temperatures; 0.5～2 hour extraction time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100880929A CN100441669C (en) | 2006-06-23 | 2006-06-23 | Method of extracting fresh pomelo flower fragrant substance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100880929A CN100441669C (en) | 2006-06-23 | 2006-06-23 | Method of extracting fresh pomelo flower fragrant substance |
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| Publication Number | Publication Date |
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| CN1869183A CN1869183A (en) | 2006-11-29 |
| CN100441669C true CN100441669C (en) | 2008-12-10 |
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| CNB2006100880929A Expired - Fee Related CN100441669C (en) | 2006-06-23 | 2006-06-23 | Method of extracting fresh pomelo flower fragrant substance |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101912696B (en) * | 2010-09-26 | 2012-07-11 | 祁鲲 | Subcritical extraction method using liquid ammonia as solvent |
| CN102311877B (en) * | 2011-08-24 | 2013-05-08 | 华南理工大学 | Method for preparing camellia sinensis extract through dynamic/ static combined subcritical CO2 extraction |
| CN108635265A (en) * | 2018-06-25 | 2018-10-12 | 广东名辰堂健康产业股份有限公司 | A kind of externally applied spray and preparation method thereof for miliaria of dispelling |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03209391A (en) * | 1990-01-11 | 1991-09-12 | Wakayama Aguribaio Kenkyu Center:Kk | Separation of limonoids |
| JPH0468086A (en) * | 1990-07-09 | 1992-03-03 | Kao Corp | Preparation of fatty acid |
| JP3209391B2 (en) * | 1995-06-09 | 2001-09-17 | 東京瓦斯株式会社 | Actuator using ultrasonic motor |
| CN1322723A (en) * | 2001-04-24 | 2001-11-21 | 哈尔滨市应用技术研究所 | Method of extracting flavone and terpenes from gingko leaf with CO2 in subcritical state |
| JP4068086B2 (en) * | 2004-09-24 | 2008-03-26 | 株式会社東芝 | Electrostatic actuator and imaging device |
-
2006
- 2006-06-23 CN CNB2006100880929A patent/CN100441669C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03209391A (en) * | 1990-01-11 | 1991-09-12 | Wakayama Aguribaio Kenkyu Center:Kk | Separation of limonoids |
| JPH0468086A (en) * | 1990-07-09 | 1992-03-03 | Kao Corp | Preparation of fatty acid |
| JP3209391B2 (en) * | 1995-06-09 | 2001-09-17 | 東京瓦斯株式会社 | Actuator using ultrasonic motor |
| CN1322723A (en) * | 2001-04-24 | 2001-11-21 | 哈尔滨市应用技术研究所 | Method of extracting flavone and terpenes from gingko leaf with CO2 in subcritical state |
| JP4068086B2 (en) * | 2004-09-24 | 2008-03-26 | 株式会社東芝 | Electrostatic actuator and imaging device |
Non-Patent Citations (4)
| Title |
|---|
| 亚临界CO2萃取枸杞子有效成分. 李国钟，李楠，张美华.西北大学学报(自然科学版)，第24卷第6期. 1994 |
| 亚临界CO2萃取枸杞子有效成分. 李国钟，李楠，张美华.西北大学学报(自然科学版)，第24卷第6期. 1994 * |
| 柚子花芳香油超临界CO2萃取研究. 谢慧明，张文成，潘见.农业工程学报，第2期. 2005 |
| 柚子花芳香油超临界CO2萃取研究. 谢慧明，张文成，潘见.农业工程学报，第2期. 2005 * |
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