CN109762662B - Physical method for extracting oleoresin by using natural essential oil of the same type as plant to be extracted to replace chemical solvent - Google Patents
Physical method for extracting oleoresin by using natural essential oil of the same type as plant to be extracted to replace chemical solvent Download PDFInfo
- Publication number
- CN109762662B CN109762662B CN201910189760.4A CN201910189760A CN109762662B CN 109762662 B CN109762662 B CN 109762662B CN 201910189760 A CN201910189760 A CN 201910189760A CN 109762662 B CN109762662 B CN 109762662B
- Authority
- CN
- China
- Prior art keywords
- essential oil
- extracted
- oleoresin
- plant
- same type
- 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.)
- Active
Links
Landscapes
- Fats And Perfumes (AREA)
- Seasonings (AREA)
Abstract
The invention discloses a physical method for extracting oleoresin by using natural essential oil of the same type as a plant to be extracted to replace a chemical solvent, which comprises the following steps: 1. selecting, twisting, cleaning and crushing plants to be extracted; 2. extracting the pre-treated plant to be extracted by taking one or more mixed essential oils of the same type of the plant to be extracted as an extraction leaching agent; after extraction, carrying out solid-liquid separation, repeatedly extracting the separated solid phase for 2-8 times according to the extraction process conditions, wherein the extracted solid phase is residue; 3. and (3) filtering or settling the liquid phase separated in the step (2), removing water and fine impurities, carrying out reduced pressure distillation to obtain a gas phase, condensing the gas phase into essential oil, and obtaining the residual viscous oleoresin. The essential oil and the extracted substance are natural plant extracts of the same type, so that no residue exists, the flavor of the finished product of the oleoresin cannot be influenced by the essential oil of the same type as the extracted substance, the impurity content of the oleoresin extracted by the essential oil is less, the essential oil can be recycled at low temperature in a vacuum environment, and the extracted essential oil is green and environment-friendly.
Description
Technical Field
The invention relates to the technical field of biological extraction, in particular to a physical method for extracting oleoresin by using natural essential oil of the same type as a plant to be extracted to replace a chemical solvent.
Background
Essential oil (also called volatile oil) is extracted from flowers, stems, fruits and other parts of aromatic plants by steam distillation or supercritical extraction, and is mostly colorless or slightly yellowish transparent liquid. The main components of the oil comprise terpenes, aliphatic compounds, aromatic compounds and other micromolecule volatile compounds, can be mutually dissolved with vegetable oil, is insoluble in water, and has the antibacterial effect and the like.
Oleoresin (oleoresin) refers to a thick, essential oil-containing resinous product obtained by extracting the aroma and taste components of a spice raw material with a suitable solvent as much as possible, and distilling and recovering the solvent. The main components of the product comprise essential oil, pungent component, pigment, resin, nonvolatile oil and polysaccharide compound. Compared with essential oil, the oleoresin has richer fragrance and richer mouthfeel, and has the functions of antibiosis, antioxidation and the like. The oleoresin can greatly improve the utilization rate of effective components in the aromatic plants. For example, cinnamon is used directly for cooking, but only 25% of the effective components can be used, and the content of the cinnamon can reach more than 95% when the cinnamon is prepared into oil resin. It can be seen that essential oils and oleoresins have become an important development direction for spices.
The common methods for extracting oleoresin comprise supercritical carbon dioxide extraction, subcritical extraction and chemical solvent extraction, and the three processing methods have the problems of solvent residue or flavor loss and the like, so that the extraction of fresh fruits with high water content is more difficult to realize.
Disclosure of Invention
The invention aims to provide a physical method for extracting oleoresin by using natural essential oil of the same type as a plant to be extracted to replace a chemical solvent, the adopted essential oil and an extracted substance are natural plant extracts of the same type, no residue exists, the flavor of finished oleoresin is not influenced by the essential oil of the same type as the extracted substance, the oleoresin extracted by the essential oil has few impurity components, the essential oil has high boiling point and low loss at normal temperature and normal pressure, and can be recycled and reused at low temperature in a vacuum environment, so that the problems of solvent residue or flavor loss and difficulty in extracting fresh fruits with high water content in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a physical process for extracting oleoresin using natural essential oils of the same type as the plant to be extracted instead of chemical solvents, comprising the steps of:
s1: pretreatment: selecting, twisting, cleaning and crushing plants to be extracted;
s2: and (3) extraction: extracting the pretreated plants to be extracted by taking one or more mixed essential oils of the same type of the plants to be extracted as an extraction leaching agent, wherein the weight ratio of the materials to the essential oils is 1: 0.8-6 ℃, the extraction temperature is 10-100 ℃, the pressure is 0-1.2 MPa, and the extraction time is 10-60 min; after extraction, carrying out solid-liquid separation, repeatedly extracting the separated solid phase for 2-8 times according to the extraction process conditions, wherein the extracted solid phase is residue;
s3: recovering essential oil: and (3) filtering or settling the liquid phase separated in the S2 to remove moisture and fine impurities, and carrying out reduced pressure distillation to obtain a gas phase which is essential oil, wherein the residual viscous state is oleoresin.
Further, the method comprises the following steps:
step 1: selecting undried fresh ginger, cleaning, and mixing the fresh ginger: adding water in a ratio of 1:1-3, crushing, adding the following components in percentage by weight: mixing the essential oil 1:3 and the same type plant essential oil of the fresh ginger, stirring and mixing uniformly, extracting and leaching at the temperature of 45 ℃ for 30 minutes;
step 2: stirring and leaching at normal pressure, pumping into solid-liquid separation equipment, discarding separated solid residue, filtering separated water, and returning to the crushing process for recycling;
and step 3: filtering and dehydrating the separated mixture of the essential oil and the oleoresin, then distilling the essential oil in vacuum, wherein the residual spicy sticky matter is the fresh ginger oleoresin, and the unique fresh, spicy and hot property of the fresh ginger is kept.
Further, the plant essential oil in the step 1 is ginger essential oil.
Further, the method comprises the following steps:
step 1: selecting dried ginger slices, tabletting and crushing, wherein the dried ginger slices are: uniformly mixing 1:3 of ginger essential oil;
step 2: squeezing out the mixture of the essential oil and the resin by a squeezer, and discarding residues;
and step 3: filtering the mixture of essential oil and resin to remove fine impurities, vacuum dehydrating, and vacuum distilling to separate dried ginger oleoresin and essential oil with flavor substantially identical to that of dried ginger slices, wherein the essential oil can be reused.
Further, the method comprises the following steps:
step 1: selecting hydrous fresh pepper, cleaning and adding fresh pepper: 1:1-3 of water, adding fresh pepper: the essential oil 1:3 is plant essential oil with the same type as the fresh pepper, and is stirred and mixed uniformly;
step 2: separating out mixture of essential oil and oleoresin by centrifugation, filtering and dehydrating the oleoresin, and then distilling the essential oil in vacuum to obtain the residual oleoresin of zanthoxylum bungeanum.
Further, the plant essential oil in the step 1 is selected from pepper essential oil.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a physical method for extracting oleoresin by using natural essential oil of the same type as a plant to be extracted to replace a chemical solvent, which adopts one or more mixed plant essential oils as an extracting agent to extract and leach pretreated plant raw materials, and after the extraction and leaching are finished, solid-liquid separation is carried out, and the extracted solid phase is residue; the extraction liquid is collected and subjected to oil-water separation, the water phase is discarded, the essential oil and the oleoresin are distilled in vacuum after the oil phase is filtered, the essential oil and the extracted substance are natural plant extracts of the same type, no residue exists, the flavor of the finished oleoresin is not influenced by the essential oil of the same type as the extracted substance, the oleoresin extracted by the essential oil has few impurity components, the essential oil has high boiling point at normal temperature and normal pressure and small loss, and can be recycled at low temperature in a vacuum environment, so that the method is environment-friendly.
Detailed Description
The following examples will explain the present invention in detail, however, the present invention is not limited thereto. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the embodiment of the invention: a physical process for extracting oleoresin using natural essential oils of the same type as the plant to be extracted instead of chemical solvents, comprising the steps of:
the first step is as follows: pretreatment: selecting, twisting, cleaning and crushing plants to be extracted;
the second step is that: and (3) extraction: extracting the pretreated plants to be extracted by taking one or more mixed essential oils of the same type of the plants to be extracted as an extraction leaching agent, wherein the weight ratio of the materials to the essential oils is 1: 0.8-6 ℃, the extraction temperature is 10-100 ℃, the pressure is 0-1.2 MPa, and the extraction time is 10-60 min; after extraction, carrying out solid-liquid separation, repeatedly extracting the separated solid phase for 2-8 times according to the extraction process conditions, wherein the extracted solid phase is residue;
the third step: recovering essential oil: and (3) filtering or settling the liquid phase separated in the S2 to remove moisture and fine impurities, and carrying out reduced pressure distillation to obtain a gas phase which is essential oil, wherein the residual viscous state is oleoresin.
Example 1
A physical process for extracting oleoresin using natural essential oils of the same type as the plant to be extracted instead of chemical solvents, comprising the steps of:
step 1: selecting undried fresh ginger, cleaning, and mixing the fresh ginger: adding water in a ratio of 1:1, crushing, adding the fresh ginger: the essential oil 1:3 and the same type of plant essential oil (selected to be old ginger essential oil) of the fresh ginger have strong selectivity to a target product, the ginger essential oil can almost completely dissolve effective components in the ginger, the mixture is stirred and mixed uniformly, the extraction and extraction temperature is 45 ℃, the pressure is 0.6MPa, the extraction time is 30 minutes, as the essential oil and the extracted substance are the same type of natural plant extracts, no residue exists, and the oil resin extracted by the essential oil has less impurity components;
step 2: stirring and leaching at normal pressure, pumping into solid-liquid separation equipment, discarding separated solid residue, filtering separated water, and returning to the crushing process for recycling;
and step 3: filtering and dehydrating the separated mixture of the essential oil and the oleoresin, then distilling the essential oil in vacuum, wherein the residual spicy sticky matter is the fresh ginger oleoresin, and the unique fresh, spicy and hot property of the fresh ginger is kept. The flavor of the ginger oleoresin extracted by the extraction method keeps the flavor of fresh fruits, no solvent residue is contained, the ginger essential oil is reused, and the method is green and environment-friendly.
Example 2
A physical process for extracting oleoresin using natural essential oils of the same type as the plant to be extracted instead of chemical solvents, comprising the steps of:
step 1: selecting undried fresh ginger, cleaning, and mixing the fresh ginger: adding water in a ratio of 1:2, crushing, adding the fresh ginger: the essential oil 1:1 and the same type of plant essential oil (selected to be old ginger essential oil) of the fresh ginger have strong selectivity to a target product, the ginger essential oil can almost completely dissolve effective components in the ginger, the mixture is stirred and mixed uniformly, the extraction and extraction temperature is 60 ℃, the pressure is 0.8MPa, the extraction time is 20 minutes, as the essential oil and the extracted substance are the same type of natural plant extracts, no residue exists, and the oil resin extracted by the essential oil has less impurity components;
step 2: stirring and leaching at normal pressure, pumping into solid-liquid separation equipment, discarding separated solid residue, filtering separated water, and returning to the crushing process for recycling;
and step 3: filtering and dehydrating the separated mixture of the essential oil and the oleoresin, then distilling the essential oil in vacuum, wherein the residual spicy sticky matter is the fresh ginger oleoresin, and the unique fresh, spicy and hot property of the fresh ginger is kept. The flavor of the ginger oleoresin extracted by the extraction method keeps the flavor of fresh fruits, no solvent residue is contained, the ginger essential oil is reused, and the method is green and environment-friendly.
Example 3
A physical process for extracting oleoresin using natural essential oils of the same type as the plant to be extracted instead of chemical solvents, comprising the steps of:
step 1: selecting undried fresh ginger, cleaning, and mixing the fresh ginger: adding water in a ratio of 1:3, crushing, adding the fresh ginger: the essential oil 1:5 and the same type of plant essential oil (selected to be old ginger essential oil) of the fresh ginger have strong selectivity to a target product, the ginger essential oil can almost completely dissolve effective components in the ginger, the mixture is stirred and mixed uniformly, the extraction and extraction temperature is 100 ℃, the pressure is 1.2MPa, the extraction time is 60 minutes, as the essential oil and the extracted substance are the same type of natural plant extracts, no residue exists, and the oil resin extracted by the essential oil has less impurity components;
step 2: stirring and leaching at normal pressure, pumping into solid-liquid separation equipment, discarding separated solid residue, filtering separated water, and returning to the crushing process for recycling;
and step 3: filtering and dehydrating the separated mixture of the essential oil and the oleoresin, then distilling the essential oil in vacuum, wherein the residual spicy sticky matter is the fresh ginger oleoresin, and the unique fresh, spicy and hot property of the fresh ginger is kept. The flavor of the ginger oleoresin extracted by the extraction method keeps the flavor of fresh fruits, no solvent residue is contained, the ginger essential oil is reused, and the method is green and environment-friendly.
Example 4
A physical process for extracting oleoresin using natural essential oils of the same type as the plant to be extracted instead of chemical solvents, comprising the steps of:
step 1: selecting dried ginger slices, tabletting and crushing, wherein the dried ginger slices are: uniformly mixing 1:3 of ginger essential oil;
step 2: squeezing out the mixture of the essential oil and the resin by a squeezer, and discarding residues;
and step 3: the mixture of the essential oil and the resin is subjected to vacuum dehydration after fine impurities are filtered, and the dried ginger oleoresin and the essential oil which have the flavor basically consistent with that of the dried ginger slices are separated through vacuum distillation.
Example 5
A physical process for extracting oleoresin using natural essential oils of the same type as the plant to be extracted instead of chemical solvents, comprising the steps of:
step 1: selecting hydrous fresh pepper, cleaning and adding fresh pepper: 1:1-3 of water, adding fresh pepper: essential oil 1:3 plant essential oil (selected from fructus Zanthoxyli essential oil) of the same type as fresh fructus Zanthoxyli, stirring and mixing;
step 2: separating out mixture of essential oil and oleoresin by centrifugation, filtering and dehydrating the oleoresin, and then distilling the essential oil in vacuum to obtain the residual oleoresin of zanthoxylum bungeanum. The flavor of the zanthoxylum oil resin extracted by the extraction method keeps the original flavor of fruits, no solvent residue is contained, the zanthoxylum oil is reused, and no loss is caused basically.
The method adopts one or more mixed plant essential oils as an extractant, extracts and leaches the pretreated plant raw materials, and after extraction and leaching are finished, solid-liquid separation is carried out, and the extracted solid phase is residue; collecting extractive solution, performing oil-water separation, discarding water phase, filtering oil phase, and vacuum distilling to obtain essential oil and oleoresin.
In summary, the following steps: the invention provides a physical method for extracting oleoresin by using natural essential oil of the same type as a plant to be extracted to replace a chemical solvent, which adopts one or more mixed plant essential oils as an extracting agent to extract and leach pretreated plant raw materials, and after the extraction and leaching are finished, solid-liquid separation is carried out, and the extracted solid phase is residue; collecting the extract, performing oil-water separation, discarding the water phase, filtering the oil phase, and vacuum distilling to obtain essential oil and oleoresin, wherein the essential oil and the extracted substance are natural plant extracts of the same type, and have no residue, and the same type of essential oil as the extracted substance does not affect the flavor of the finished oleoresin, the oleoresin extracted from the essential oil has less impurity components, the essential oil has high boiling point at normal temperature and normal pressure, and low loss, and can be recovered at low temperature in vacuum environment for reuse.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A physical process for extracting oleoresin using natural essential oils of the same type as the plant to be extracted instead of chemical solvents, comprising the steps of:
s1: pretreatment: selecting, twisting, cleaning and crushing plants to be extracted;
s2: and (3) extraction: extracting the pretreated plants to be extracted by taking one or more mixed essential oils of the same type of the plants to be extracted as an extraction leaching agent, wherein the weight ratio of the materials to the essential oils is 1: 0.8-6 ℃, the extraction temperature is 10-100 ℃, the pressure is 0-1.2 MPa, and the extraction time is 10-60 min; after extraction, carrying out solid-liquid separation, repeatedly extracting the separated solid phase for 2-8 times according to the extraction process conditions, wherein the extracted solid phase is residue;
s3: recovering essential oil: and (3) filtering or settling the liquid phase separated in the S2 to remove moisture and fine impurities, carrying out reduced pressure distillation to obtain a gas phase, condensing the gas phase into essential oil, and obtaining the residual viscous oleoresin.
2. The physical process of claim 1, wherein the extraction of oleoresin with chemical solvent is replaced by natural essential oil of the same type as the plant to be extracted, comprising the following steps:
step 1: selecting undried fresh ginger, cleaning, and mixing the fresh ginger: adding water in a ratio of 1:1-3, crushing, adding the following components in percentage by weight: mixing the essential oil 1:3 and the same type plant essential oil of the fresh ginger, stirring and mixing uniformly, extracting and leaching at the temperature of 45 ℃ for 30 minutes;
step 2: stirring and leaching at normal pressure, pumping into solid-liquid separation equipment, discarding separated solid residue, filtering separated water, and returning to the crushing process for recycling;
and step 3: filtering and dehydrating the separated mixture of the essential oil and the oleoresin, then distilling the essential oil in vacuum, wherein the residual spicy sticky matter is the fresh ginger oleoresin, and the unique fresh, spicy and hot property of the fresh ginger is kept.
3. The physical method for extracting oleoresin using natural essential oil of the same type as the plant to be extracted instead of chemical solvent as claimed in claim 2, wherein the plant essential oil of step 1 is selected ginger essential oil.
4. The physical process of claim 1, wherein the extraction of oleoresin with chemical solvent is replaced by natural essential oil of the same type as the plant to be extracted, comprising the following steps:
step 1: selecting dried ginger slices, tabletting and crushing, wherein the dried ginger slices are: uniformly mixing 1:3 of ginger essential oil;
step 2: squeezing out the mixture of the essential oil and the resin by a squeezer, and discarding residues;
and step 3: and filtering the mixture of the essential oil and the resin to remove fine impurities, performing vacuum dehydration, and performing vacuum distillation to separate the dried ginger oleoresin and the essential oil which have the same flavor as the dried ginger slices, wherein the essential oil is reused.
5. The physical process of claim 1, wherein the extraction of oleoresin with chemical solvent is replaced by natural essential oil of the same type as the plant to be extracted, comprising the following steps:
step 1: selecting hydrous fresh pepper, cleaning and adding fresh pepper: 1:1-3 of water, adding fresh pepper: the essential oil 1:3 is plant essential oil with the same type as the fresh pepper, and is stirred and mixed uniformly;
step 2: separating out mixture of essential oil and oleoresin by centrifugation, filtering and dehydrating the oleoresin, and then distilling the essential oil in vacuum to obtain the residual oleoresin of zanthoxylum bungeanum.
6. The physical method for extracting oleoresin using natural essential oil of the same type as the plant to be extracted instead of chemical solvent according to claim 5, characterized in that the plant essential oil of step 1 is selected zanthoxylum essential oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910189760.4A CN109762662B (en) | 2019-03-13 | 2019-03-13 | Physical method for extracting oleoresin by using natural essential oil of the same type as plant to be extracted to replace chemical solvent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910189760.4A CN109762662B (en) | 2019-03-13 | 2019-03-13 | Physical method for extracting oleoresin by using natural essential oil of the same type as plant to be extracted to replace chemical solvent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109762662A CN109762662A (en) | 2019-05-17 |
| CN109762662B true CN109762662B (en) | 2021-12-28 |
Family
ID=66459057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910189760.4A Active CN109762662B (en) | 2019-03-13 | 2019-03-13 | Physical method for extracting oleoresin by using natural essential oil of the same type as plant to be extracted to replace chemical solvent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109762662B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0026559A1 (en) * | 1979-07-26 | 1981-04-08 | Marc Sims | Liquid carbon dioxide extraction of pyrethrins and a purified pyrethrin composition |
| WO2002036232A1 (en) * | 2000-11-06 | 2002-05-10 | Ineos Fluor Holdings Limited | Solvent extraction process |
| CN102503928A (en) * | 2011-12-01 | 2012-06-20 | 晨光生物科技集团股份有限公司 | Production method of high-purity piperine |
| CN102965197A (en) * | 2011-09-02 | 2013-03-13 | 贵州百灵企业集团制药股份有限公司 | Method for extracting and separating ginger essential oil and ginger oil resin enriched in gingerol |
| CN105597367A (en) * | 2016-03-14 | 2016-05-25 | 青岛利和萃取股份有限公司 | Method for separating ginger essential oil from gingerol-rich oleoresin ginger through low-pressure supercritical CO2 extraction |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7109361B2 (en) * | 2003-03-07 | 2006-09-19 | Nu-Tein Co., Inc. | Isolation of lutein from alfalfa |
-
2019
- 2019-03-13 CN CN201910189760.4A patent/CN109762662B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0026559A1 (en) * | 1979-07-26 | 1981-04-08 | Marc Sims | Liquid carbon dioxide extraction of pyrethrins and a purified pyrethrin composition |
| WO2002036232A1 (en) * | 2000-11-06 | 2002-05-10 | Ineos Fluor Holdings Limited | Solvent extraction process |
| CN102965197A (en) * | 2011-09-02 | 2013-03-13 | 贵州百灵企业集团制药股份有限公司 | Method for extracting and separating ginger essential oil and ginger oil resin enriched in gingerol |
| CN102503928A (en) * | 2011-12-01 | 2012-06-20 | 晨光生物科技集团股份有限公司 | Production method of high-purity piperine |
| CN105597367A (en) * | 2016-03-14 | 2016-05-25 | 青岛利和萃取股份有限公司 | Method for separating ginger essential oil from gingerol-rich oleoresin ginger through low-pressure supercritical CO2 extraction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109762662A (en) | 2019-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102408320B (en) | Method for extracting and separating curcumin and curcuma oil from carcuma longa | |
| CN105062686A (en) | Method for extracting lavender essential oil | |
| CN103122277A (en) | Method for extracting natural flavor with dimethyl ether | |
| CN111603500B (en) | Semen cassiae extract and process technology for comprehensively developing and utilizing semen cassiae | |
| CN104186873A (en) | Method for extracting tea aroma substance and instant powder from tea stems | |
| CN104490994A (en) | Method for extracting lipid-soluble and water-soluble antioxidant from rosemary | |
| CN102660137B (en) | Method for high-efficiency preparation of natural pigment of Ziziphus jujuba Mill. | |
| CN112210434A (en) | Supercritical CO2Technological method for squeezing zanthoxylum oil | |
| CN103952237A (en) | Preparation method of camellia seed essential oil | |
| CN105087166A (en) | Method for extracting Jasminum sambac essential oil | |
| CN103897020A (en) | Method for extracting plukenetia volubilis seed protein | |
| CN107904017A (en) | A kind of agilawood essential oil preparation process | |
| CN111621365A (en) | Zanthoxylum essential oil and extraction process thereof | |
| JP6557102B2 (en) | Method for producing polyisoprene | |
| CN110724602A (en) | Preparation method of rose essential oil balm, rose essential oil and production method and application of rose essential oil | |
| CN108531288B (en) | Process for subcritical segmented extraction of pepper flavor components | |
| CN102960680B (en) | Multidirectional extraction process for fresh peppers | |
| CN109762662B (en) | Physical method for extracting oleoresin by using natural essential oil of the same type as plant to be extracted to replace chemical solvent | |
| JP6151082B2 (en) | Extraction and production method of plant essential oil | |
| CN106433985B (en) | A kind of ginger essential oil and preparation method thereof | |
| CN106690320B (en) | Preparation method of high-purity tea polyphenol | |
| CN105131841B (en) | A kind of extracting method of capsicum oleoresin | |
| CN105670797A (en) | Bergamot essential oil extraction method | |
| RU2637318C1 (en) | Method of extracting essential oils from plant materials | |
| CN111088049B (en) | Method for preparing rosemary fat-soluble antioxidant ointment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221202 Address after: 644000 Baiguo Community, Guanyin Town, Xuzhou District, Yibin City, Sichuan Province Patentee after: Sichuan Shixiang flavor industry Co.,Ltd. Address before: 644604 Shuanglong group, Wanshan village, Guluo Town, Yibin County, Yibin City, Sichuan Province Patentee before: Chen Shixiang |
|
| TR01 | Transfer of patent right |