CN100506961C - Method for extracting ginger essential oil - Google Patents
Method for extracting ginger essential oil Download PDFInfo
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- CN100506961C CN100506961C CNB2004100383626A CN200410038362A CN100506961C CN 100506961 C CN100506961 C CN 100506961C CN B2004100383626 A CNB2004100383626 A CN B2004100383626A CN 200410038362 A CN200410038362 A CN 200410038362A CN 100506961 C CN100506961 C CN 100506961C
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Abstract
It is a method for extraction of ginger essential oil, containing the following steps: freeze drying, disintegrating and sifting fresh ginger to prepare ginger powder; mixing the ginger powder with water to prepare mixture; heating the mixture until boiling, adding double distilled ether, 50Deg. C-water-bath heating, keeping the mixture boiling to distill and extract, and collecting the extractive that is the end product. The invention combines distillation and extraction of extraction process in one piece, and extracts ginger essential oil one time by the multitime and large-area contact of water vapor phase and organic solvent phase, the usage of organic solvent little, the extraction efficiency high while containing of residual organic solvent in extracted ginger essential oil little, and process simple and operating convenient.
Description
Technical field
The present invention relates to a kind of method of extracting the ginger essential oil, the method for the extraction ginger essential oil that especially a kind of distillation and extraction are carried out simultaneously belongs to food processing technology field.
Background technology
At present, that is that all right is ripe for the domestic technology of extracting about the ginger essential oil, the ginger extracts essential oil is still based on traditional steam distillation, the principle of work of steam distillation extraction method is: each component dividing potential drop at a certain temperature equals the vapour pressure of the pure compound under same temperature in the mixture of immiscible volatile matter, and does not depend on the molar fraction of each component in the mixture.Therefore, in the mixed system of water vapor and sulfide, promptly boiling temperature is lower than the normal boiling point of water.In the phlegma of steam distillation the ratio of each component by the molecular weight of each compound and under this distillation temperature the vapour pressure of each component decide.
The research that the ginger essential oil extracts is main research object with the supercritical fluid extraction method.But because the testing expenses height of supercritical fluid extraction method, complicated operation, influence factor is difficult to control, so up to the present, domestic supercritical fluid extraction method does not also find stable, an ideal optimal processing parameter combination.The developing direction of ginger essential oil extractive technique is to seek a real extracting method fast and efficiently now, and can be used for large-scale industrial production.
Summary of the invention
Technical problem to be solved by this invention is at the deficiencies in the prior art, a kind of method of extracting the ginger essential oil is provided, this method is to utilize the method for extractive distillation simultaneously with the distillation in the essential oil leaching process with extract two steps and be integrated, in airtight relatively container, carry out, by water vapor mutually and the organic solvent phase repeatedly, the large-area contact, realize once extracts essential oil, the solvent usage quantity is few, essential oil extraction efficiency height, reduce the remaining organic solvent in the essential oil, and applicable to all kinds of SOLVENTS of density greater than water.
Technical problem to be solved by this invention is achieved by the following technical solution:
A kind of method of extracting the ginger essential oil comprises the steps:
Step 1: with the ginger lyophilize, grinding and sieving obtains the ginger powder;
Step 2: the ginger powder in the step 1 is mixed with water, make mixture;
Step 3: with the mixture heating up in the step 2, treat that its boiling back adds the vapor enrichment ether, 50 ℃ of heating in water bath keep this mixture constantly boiling simultaneously, carry out distillation extraction, and collection obtains extract and is final product.
The ginger powder adopts the 30-60 order to sieve in the step 1, and the ginger powder particle diameter that obtains is 0.3-0.6mm, and ginger powder particle diameter optimum value is 0.3mm.
Ginger powder and being mixed into of water in the step 2 are mixed in proportion, and feed liquid blending ratio scope is: 1:30-1:50, optimum value is 1:50.
The ginger essential oil distillation extraction time is 2.0-5.0 hour in the step 3, and optimum value is 4 hours.
Therefore, the method of this extraction ginger essential oil provided by the invention, be to utilize simultaneously the distillation extraction method with the distillation in the essential oil leaching process with extract two steps and be integrated, in airtight relatively container, carry out, by water vapor mutually and the organic solvent phase repeatedly, the large-area contact, realize once the ginger extracts essential oil.Take this kind method, use a spot of organic solvent just can finish the ginger extracts essential oil, the extraction efficiency height, and the remaining organic solvent content in the ginger essential oil that is extracted is little, and step is simple, and is easy to operate.
Embodiment
Below in conjunction with specific embodiment technical scheme of the present invention is described in detail.
Embodiment one:
This concrete steps quick, high efficiency extraction ginger essential oil method provided by the present invention comprise:
At first: with the ginger lyophilize, pulverize the back and cross 30 mesh sieves, ginger powder particle diameter is 0.6mm, obtains experiment ginger powder;
Secondly: the ginger powder after will sieving mixes by solid-liquid ratio 1:50 with water.
Once more: place the Likens-Nickerson sample bottle heating of distilling and extracting device simultaneously to treat that its boiling back adds 10ml vapor enrichment ether at the solvent bottle of Likens-Nickerson device mixed product, 50 ℃ of heating in water bath, keep the boiling of sample to extract simultaneously, the distillation extraction time is 4.0 hours, and collection obtains extract and is final product.
At last:,, in 50 ℃ of water-baths, carefully be concentrated into 0.2ml with the Vigreux evaporating column except that remaining water in desolvating with the extract cryogenic freezing that obtains, the ethyl caprate 200 μ L that add 1000ppm concentration then, mixing is put cold storage in-18 ℃ of refrigerators, and the GC of pending ginger essential oil analyzes.
Embodiment two:
At first: with the ginger lyophilize, grinding and sieving 50 mesh sieves, ginger powder particle diameter is 0.355mm, obtains experiment ginger powder;
Secondly: the ginger powder after will sieving mixes by solid-liquid ratio 1:30 with water.
Once more: place the Likens-Nickerson sample bottle heating of distilling and extracting device simultaneously to treat that its boiling back adds 10ml vapor enrichment ether at the solvent bottle of Likens-Nickerson device mixed product, 50 ℃ of heating in water bath, keep the boiling of sample to extract simultaneously, the distillation extraction time is 2.0 hours, and collection obtains extract and is final product.
At last:,, in 50 ℃ of water-baths, carefully be concentrated into 0.2ml with the Vigreux evaporating column except that remaining water in desolvating with the extract cryogenic freezing that obtains, the ethyl caprate 200 μ L that add 1000ppm concentration then, mixing is put cold storage in-18 ℃ of refrigerators, and the GC of pending ginger essential oil analyzes.
Embodiment three:
At first: with the ginger lyophilize, grinding and sieving 60 mesh sieves, ginger powder particle diameter is 0.300mm, obtains experiment ginger powder;
Secondly: the ginger powder after will sieving mixes by solid-liquid ratio 1:40 with water.
Once more: place the Likens-Nickerson sample bottle heating of distilling and extracting device simultaneously to treat that its boiling back adds 10ml vapor enrichment ether at the solvent bottle of Likens-Nickerson device mixed product, 50 ℃ of heating in water bath, keep the boiling of sample to extract simultaneously, the distillation extraction time is 5.0 hours, and collection obtains extract and is final product.
At last:,, in 50 ℃ of water-baths, carefully be concentrated into 0.2ml with the Vigreux evaporating column except that remaining water in desolvating with the extract cryogenic freezing that obtains, the ethyl caprate 200 μ L that add 1000ppm concentration then, mixing is put cold storage in-18 ℃ of refrigerators, and the GC of pending ginger essential oil analyzes.
Need to prove at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (1)
1, a kind of method of extracting the ginger essential oil, it is characterized in that: this method comprises the steps:
Step 1: with the ginger lyophilize, grinding and sieving obtains the ginger powder, and described ginger powder particle diameter is 0.3mm;
Step 2: the ginger powder in the step 1 is mixed with solid-liquid ratio 1:50 with water, make mixture;
Step 3: with the mixture heating up in the step 2, treat that its boiling back adds the vapor enrichment ether, 50 ℃ of heating in water bath keep this mixture constantly boiling simultaneously, carry out distillation extraction 4 hours, and collection obtains extract and is final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100383626A CN100506961C (en) | 2004-05-24 | 2004-05-24 | Method for extracting ginger essential oil |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100383626A CN100506961C (en) | 2004-05-24 | 2004-05-24 | Method for extracting ginger essential oil |
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| CN1702161A CN1702161A (en) | 2005-11-30 |
| CN100506961C true CN100506961C (en) | 2009-07-01 |
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| CNB2004100383626A Expired - Fee Related CN100506961C (en) | 2004-05-24 | 2004-05-24 | Method for extracting ginger essential oil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107663475A (en) * | 2017-09-28 | 2018-02-06 | 江永百润福天然植物科技发展有限公司 | A kind of preparation method and ginger essential oil that ginger essential oil is extracted from ginger |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102260592A (en) * | 2010-12-24 | 2011-11-30 | 陈国英 | Extraction method of ginger oil |
| CN105199833B (en) * | 2015-07-21 | 2019-02-05 | 广西大学 | A kind of method for comprehensive processing of dried ginger slice and ginger oil |
| CN110055132A (en) * | 2019-03-28 | 2019-07-26 | 广州白云山维一实业股份有限公司 | The method of purification of plants essential oil |
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2004
- 2004-05-24 CN CNB2004100383626A patent/CN100506961C/en not_active Expired - Fee Related
Non-Patent Citations (6)
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| 生姜挥发性成分的分析. 李铁纯等.分析科学学报，第19卷第5期. 2003 |
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| 生姜挥发性成分的分析. 李铁纯等.分析科学学报，第19卷第5期. 2003 * |
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| 茶叶香精油的同时蒸馏萃取（SDE）法提取效率分析. 张正竹等.中国茶叶加工，第1期. 2003 |
| 茶叶香精油的同时蒸馏萃取（SDE）法提取效率分析. 张正竹等.中国茶叶加工，第1期. 2003 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107663475A (en) * | 2017-09-28 | 2018-02-06 | 江永百润福天然植物科技发展有限公司 | A kind of preparation method and ginger essential oil that ginger essential oil is extracted from ginger |
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