CN112608795B - Fructus amomi leaf oil and water extraction-low-temperature pressure transformation extraction process method thereof - Google Patents
Fructus amomi leaf oil and water extraction-low-temperature pressure transformation extraction process method thereof Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000000605 extraction Methods 0.000 title claims abstract description 28
- 230000009466 transformation Effects 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 244000141331 Amomum villosum Species 0.000 claims abstract description 32
- 241001127714 Amomum Species 0.000 claims abstract description 29
- 238000009835 boiling Methods 0.000 claims abstract description 20
- 238000003809 water extraction Methods 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000004821 distillation Methods 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 31
- 239000000243 solution Substances 0.000 claims description 15
- 235000013399 edible fruits Nutrition 0.000 claims description 14
- 239000012141 concentrate Substances 0.000 claims description 9
- 238000002386 leaching Methods 0.000 claims description 9
- 238000007865 diluting Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 239000012634 fragment Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 3
- 238000010790 dilution Methods 0.000 claims description 2
- 239000012895 dilution Substances 0.000 claims description 2
- 238000002791 soaking Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 68
- 239000000341 volatile oil Substances 0.000 abstract description 24
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 238000010298 pulverizing process Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 238000000194 supercritical-fluid extraction Methods 0.000 description 5
- 239000006228 supernatant Substances 0.000 description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 210000000952 spleen Anatomy 0.000 description 3
- 206010012735 Diarrhoea Diseases 0.000 description 2
- 241000510764 Villosa Species 0.000 description 2
- 206010047700 Vomiting Diseases 0.000 description 2
- KGEKLUUHTZCSIP-HOSYDEDBSA-N [(1s,4s,6r)-1,7,7-trimethyl-6-bicyclo[2.2.1]heptanyl] acetate Chemical compound C1C[C@]2(C)[C@H](OC(=O)C)C[C@H]1C2(C)C KGEKLUUHTZCSIP-HOSYDEDBSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000001256 steam distillation Methods 0.000 description 2
- 210000002784 stomach Anatomy 0.000 description 2
- DSSYKIVIOFKYAU-XCBNKYQSSA-N (R)-camphor Chemical compound C1C[C@@]2(C)C(=O)C[C@@H]1C2(C)C DSSYKIVIOFKYAU-XCBNKYQSSA-N 0.000 description 1
- 206010000060 Abdominal distension Diseases 0.000 description 1
- 206010000234 Abortion spontaneous Diseases 0.000 description 1
- 241001571352 Amomum longiligulare Species 0.000 description 1
- 241000723346 Cinnamomum camphora Species 0.000 description 1
- 241000234299 Zingiberaceae Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- WUOACPNHFRMFPN-UHFFFAOYSA-N alpha-terpineol Chemical compound CC1=CCC(C(C)(C)O)CC1 WUOACPNHFRMFPN-UHFFFAOYSA-N 0.000 description 1
- 230000036528 appetite Effects 0.000 description 1
- 235000019789 appetite Nutrition 0.000 description 1
- 229930008380 camphor Natural products 0.000 description 1
- 229960000846 camphor Drugs 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- SQIFACVGCPWBQZ-UHFFFAOYSA-N delta-terpineol Natural products CC(C)(O)C1CCC(=C)CC1 SQIFACVGCPWBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000001605 fetal effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002496 gastric effect Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
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- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 208000015994 miscarriage Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000003960 organic solvent Substances 0.000 description 1
- 230000035935 pregnancy Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 208000000995 spontaneous abortion Diseases 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229940116411 terpineol Drugs 0.000 description 1
- 230000008673 vomiting Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
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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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K36/00—Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
- A61K36/18—Magnoliophyta (angiosperms)
- A61K36/88—Liliopsida (monocotyledons)
- A61K36/906—Zingiberaceae (Ginger family)
- A61K36/9064—Amomum, e.g. round cardamom
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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
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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
- C11B9/027—Recovery of volatiles by distillation or stripping
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Natural Medicines & Medicinal Plants (AREA)
- Engineering & Computer Science (AREA)
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Abstract
The invention relates to the technical field of fructus amomi She Youdi taking processes, in particular to a process method for extracting fructus amomi leaf oil by water extraction and low-temperature pressure transformation, wherein the process method comprises the following steps of putting raw materials into an extraction tank, introducing steam, heating and distilling to obtain light-boiling-point fructus amomi leaf oil; extracting and centrifuging the rest materials after distillation of the villous amomum leaves, concentrating at the pressure of-0.08 MPa to 0.1MPa and the temperature of 25 ℃ to 35 ℃ to obtain the heavy component of the villous amomum leaf oil, and mixing the villous amomum leaf oil with the heavy component of the villous amomum leaf oil with the light boiling point to obtain the complete villous amolous leaf oil. The invention adopts water extraction-low temperature transformation technology and the industrial equipment thereof to extract the amomum villosum leaf oil, realizes the full extraction of the volatile oil with light boiling point and the amomum villosum leaf oil with heavy component under lower pressure and temperature, has the yield of more than 0.7 percent, and has high yield, low cost and less energy consumption, thereby being suitable for the industrial mass production of the amomum villosum leaf oil.
Description
Technical Field
The invention relates to the technical field of fructus amomi She Youdi extraction processes, in particular to a process method for extracting fructus amomi leaf oil by water extraction and low-temperature pressure transformation.
Background
Fructus Amomi is dried mature fruit of Amomum villosa (Amomum villosum Lour), amomum villosa Lour. Var. Xanthoides T.L.wu et Senjen) or Hainan sand (Amomum longiligulare T.L.wu) of Zingiberaceae. Harvesting in summer and autumn, sun drying or low temperature drying. The best known product of Guangdong Yangchun county is Qingchun Sha, which is also called Di-dao nan-medicine fructus Amomi. Fructus Amomi is pungent and warm, has effects of invigorating spleen, stomach and kidney meridian, eliminating dampness and promoting appetite, warming spleen and relieving diarrhea, regulating qi-flowing and preventing miscarriage, and can be used for treating damp obstruction, gastric distention and hunger, spleen and stomach deficiency cold, emesis and diarrhea, vomiting of pregnancy and abnormal fetal movement etc. Fructus Amomi contains volatile oil, but the volatile oil is a mixture, the composition and the property are unstable, and the medicinal value of fructus Amomi is directly influenced by the height and the extraction effect of volatile oil components; the main component in the fructus amomi volatile oil is borneol acetate, the content of which can reach more than 80 percent, and the fructus amomi volatile oil is a main index for measuring the quality of the fructus amomi volatile oil at present.
At present, the method for extracting amomum villosum She Youdi mainly comprises the traditional steam distillation extraction method, supercritical extraction method and the like. Although the traditional extraction method has low cost, the extraction rate of volatile oil is low, and the problems of low product quality, difficult refining and the like are caused. Although the supercritical extraction method has higher yield, the extracted amomum villosum leaf extract mainly comprises heavy components with high boiling point, mainly comprises camphor, borneol acetate, terpineol and other components, but not completely comprises amomum villosum leaf oil yield, and the supercritical extraction method has higher requirement on feeding and lower efficiency, so the problems of overlarge investment cost and difficult industrial mass production exist;
for example, the new extraction process of the amomum villosum leaf oil with the application number of 201010104832.X is to take the new process of extracting amomum villosum leaf oil by supercritical carbon dioxide fluid, and the extraction rate under different temperatures, pressures, time and carbon dioxide flow rates is examined, the process conditions are selected to be 30-55 ℃ of extraction temperature, 10-30MPa of extraction pressure, 40-60 ℃ of analysis kettle I, 6-12MPa of pressure, 30-50 ℃ of analysis kettle II, 3-10MPa of pressure, 1-2h of extraction time, 25-40L/h of carbon dioxide flow, the yield of the obtained volatile oil is 3.01%, ten times higher than that of the traditional extraction process, the traditional steam distillation yield is 0.30%, and the extraction method with high extraction speed, high yield and no environmental pollution is realized.
Disclosure of Invention
In order to solve the problem of low extraction efficiency of the high boiling point extract mentioned in the background art, the invention provides a process method for extracting amomum villosum leaf oil by water extraction and low temperature pressure transformation, which comprises the following steps:
(1) Obtaining amomum fruit leaf oil concentrate, leaching and centrifuging the residual substances after the distillation of amomum fruit leaves, and concentrating at the pressure of-0.08 MPa to 0.1MPa and the temperature of 25 ℃ to 35 ℃;
(2) Obtaining amomum villosum leaf oil heavy component, diluting the concentrated solution obtained in the step (1) by alcohol, standing, and concentrating at 25-35 ℃ under the pressure of-0.08-0.1 MPa.
Further, on the basis of the above scheme, the content of the alcohol for dilution is 95% in terms of volume fraction.
The solvent used in the invention is alcohol, and has the following advantages in the technical scheme: (1) Alcohol belongs to hydrophilic organic solvents, has good solubility for various components, and has comprehensive extraction components; and (2) the viscosity of the extracting solution is small, the filtering is easy, and the concentration is convenient.
Based on the scheme, the method further comprises the following steps: before the heavy component of the villous amomum leaf oil is obtained, the raw materials are put into an extraction tank, and steam is introduced for heating and distillation to obtain the villous amomum leaf oil with a light boiling point.
On the basis of the scheme, the raw materials are further fructus amomi leaf fragments.
On the basis of the scheme, further, the granularity of the fructus amomi leaf fragments is smaller than 5mm.
On the basis of the above scheme, further, the amomum villosum leaf fragments are taken from fresh amomum villosum leaves.
Based on the scheme, the method further comprises the step of mixing the light-boiling-point amomum villosum leaf oil with the amomum villosum leaf oil heavy component to obtain the complete amomum villosum leaf oil.
On the basis of the scheme, the leaching is to soak the residual substances after the distillation of the villous amomum leaves in an alcohol solution.
On the basis of the scheme, further, the alcohol solution is alcohol, and the content of the alcohol is 50% in terms of volume fraction.
The invention also provides the amomum fruit leaf oil prepared by the process method for extracting amomum fruit leaf oil by water extraction and low-temperature pressure transformation.
The invention provides a preparation method of amomum villosum leaf oil water, which adopts water extraction-low temperature transformation technology and industrial equipment to extract amomum villosum leaf oil, realizes the full extraction of volatile oil with light boiling point and amomum villosum leaf oil with the yield of more than 0.7% under lower pressure and temperature, has high yield, low cost and less energy consumption, and is suitable for industrial large-scale production of amomum villosum leaf oil;
compared with the prior art, the process method for extracting amomum villosum leaf oil by water extraction and low-temperature pressure transformation has the following effects:
1. the yield is high: the water extraction and low-temperature pressure-swing concentration technology are combined to extract the amomum fruit leaf oil, so that compared with single water extraction or supercritical extraction, the light-boiling volatile oil and high-boiling heavy components in the amomum fruit leaf can be more fully extracted;
2. the pressure in the concentration process is low: the invention carries out low-temperature concentration on the centrifugate under the lower pressure of-0.08 MPa to 0.1MPa and the temperature of 25 to 35 ℃, has higher efficiency and saves cost compared with the supercritical extraction which is carried out under the ultra-high pressure, and is more suitable for industrial production;
3. the solvent used is alcohol, the viscosity of the extracting solution is small, the filtering is easy, and the concentration is convenient;
4. the volatile oil with light boiling point and the amomum villosum leaf oil with heavy components are fully extracted under lower pressure and temperature. The energy consumption is reduced and the cost is reduced compared with the higher pressure and temperature when the same amount of components are obtained.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the following description will be made in connection with the technical solutions in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention also provides the following embodiments:
example 1
(1) Raw material processing comprises pulverizing fresh fructus Amomi leaf 50kg into pieces with particle size smaller than 5mm.
(2) Extracting fructus Amomi leaf oil heavy component and light boiling point fructus Amomi leaf oil
Putting the chopped fructus amomi leaves into a multifunctional extraction tank for water extraction and low-temperature pressure transformation, and extracting the light-boiling-point fructus amomi leaf oil by adopting a straight-through steam mode; transferring the extracted fructus Amomi She Feizha into an alcohol precipitation tank in water extraction-low temperature pressure transformation, adding 50% alcohol, and leaching for 4h. Directly conveying the soaked materials into a centrifugal machine for solid-liquid separation, and concentrating the centrifugate at a low temperature under the pressure of-0.8 MPa and the temperature of 25 ℃ to obtain amomum villosum leaf oil concentrated solution; diluting and standing fructus Amomi leaf oil concentrate with 95% alcohol, collecting supernatant, and concentrating under reduced pressure at-0.8 MPa and 25deg.C to obtain fructus Amomi leaf oil heavy component.
(3) Mixing
Mixing light boiling point fructus Amomi leaf oil and fructus Amomi leaf oil heavy component of She Youzu parts of fructus Amomi to obtain fructus Amomi volatile oil 0.36kg, and fructus Amomi volatile oil yield of 0.72%.
Example 2
(1) Raw material processing comprises pulverizing fresh fructus Amomi leaf 50kg into pieces with particle size smaller than 5mm.
(2) Extracting fructus Amomi leaf oil heavy component and light boiling point fructus Amomi leaf oil
Adding the chopped fructus Amomi leaves into a multifunctional extraction tank for water extraction and low-temperature pressure transformation, and extracting light boiling point fructus Amomi leaf oil by adopting a straight-through steam mode; transferring the extracted fructus Amomi She Feizha into an alcohol precipitation tank in water extraction-low temperature pressure transformation, adding 50% alcohol, and leaching for 4h. Directly conveying the soaked materials into a centrifugal machine for solid-liquid separation, and concentrating the centrifugate at low temperature under the pressure of 0.1MPa and the temperature of 30 ℃ to obtain amomum villosum leaf oil concentrated solution; diluting and standing fructus Amomi leaf oil concentrate with 95% alcohol, collecting supernatant, and concentrating under reduced pressure at 30 deg.C under 0.1MPa to obtain fructus Amomi leaf oil heavy component.
(3) Mixing
Mixing light boiling point fructus Amomi leaf oil and fructus Amomi leaf oil heavy component, and separating fructus Amomi She Youzu to obtain fructus Amomi volatile oil 0.381kg with fructus Amomi volatile oil yield of 0.76%.
Example 3
(1) Raw material processing comprises pulverizing fresh fructus Amomi leaf 50kg into pieces with particle size smaller than 5mm.
(2) Extracting fructus Amomi leaf oil heavy component and light boiling point fructus Amomi leaf oil
Putting the chopped fructus amomi leaves into a multifunctional extraction tank for water extraction and low-temperature pressure transformation, and extracting the light-boiling-point fructus amomi leaf oil by adopting a straight-through steam mode; transferring the extracted fructus Amomi She Feizha into an alcohol precipitation tank in water extraction-low temperature pressure transformation, adding 50% alcohol, and leaching for 4h. Directly conveying the soaked materials into a centrifugal machine for solid-liquid separation, and concentrating the centrifugate at a low temperature under the pressure of 0.1MPa and the temperature of 35 ℃ to obtain amomum villosum leaf oil concentrated solution; diluting and standing fructus Amomi leaf oil concentrate with 95% alcohol, collecting supernatant, and concentrating under reduced pressure at 35 deg.C under 0.1MPa to obtain fructus Amomi leaf oil heavy component.
(3) Mixing
Mixing light boiling point fructus Amomi leaf oil and fructus Amomi leaf oil heavy component, and separating fructus Amomi She Youzu to obtain fructus Amomi volatile oil 0.385kg with fructus Amomi volatile oil yield of 0.77%.
Example 4
(1) Raw material processing comprises pulverizing fresh fructus Amomi leaf 50kg into pieces with particle size smaller than 5mm.
(2) Extracting fructus Amomi leaf oil heavy component and light boiling point fructus Amomi leaf oil
Putting the chopped fructus amomi leaves into a multifunctional extraction tank for water extraction and low-temperature pressure transformation, and extracting the light-boiling-point fructus amomi leaf oil by adopting a straight-through steam mode; transferring the extracted fructus Amomi She Feizha into an alcohol precipitation tank in water extraction-low temperature pressure transformation, adding 50% alcohol, and leaching for 4h. Directly conveying the soaked materials into a centrifugal machine for solid-liquid separation, and concentrating the centrifugate at a low temperature of-0.08 MPa and 35 ℃ to obtain amomum villosum leaf oil concentrate; diluting and standing fructus Amomi leaf oil concentrate with 95% alcohol, collecting supernatant, and concentrating under reduced pressure at-0.08 MPa and 35 deg.C to obtain fructus Amomi leaf oil heavy component.
(3) Mixing
Mixing light boiling point fructus Amomi leaf oil and fructus Amomi leaf oil heavy component of She Youzu parts of fructus Amomi to obtain fructus Amomi volatile oil 0.371kg, and fructus Amomi volatile oil yield of 0.74%.
The invention also provides a comparative example as follows:
comparative example 1
(1) Raw material processing comprises pulverizing fresh fructus Amomi leaf 50kg into pieces with particle size smaller than 5mm.
(2) Extracting amomum villosum leaf oil
Adding chopped fructus Amomi leaf into an alcohol precipitation tank of a multifunctional extraction tank, adding 50% alcohol, and leaching for 4 hr. Directly conveying the soaked materials into a centrifugal machine for solid-liquid separation, and concentrating the centrifugate at a low temperature under the pressure of 0.1MPa and the temperature of 35 ℃ to obtain amomum villosum leaf oil concentrated solution; diluting and standing fructus Amomi leaf oil concentrate with 95% ethanol, collecting supernatant, and concentrating under reduced pressure at 35 deg.C under 0.1MPa to obtain fructus Amomi volatile oil 0.153kg with fructus Amomi volatile oil yield of 0.31%.
Comparative example 2
(1) Raw material processing comprises pulverizing fresh fructus Amomi leaf 50kg into pieces with particle size smaller than 5mm.
(2) Extracting amomum villosum leaf oil
And then the chopped villous amomum leaves are put into a multifunctional extraction tank of water extraction-low temperature pressure transformation, and villous amomum leaf oil is extracted by adopting a straight-through steam mode, so as to obtain 0.102kg of villous amomum volatile oil, and the yield of the villous amomum volatile oil is 0.20%.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (7)
1. The process method for extracting amomum villosum leaf oil by water extraction and low-temperature pressure transformation is characterized by comprising the following steps of:
putting fructus Amomi leaf raw material into an extraction tank, introducing steam, heating and distilling to obtain light boiling point fructus Amomi leaf oil;
obtaining amomum villosum leaf oil concentrate: leaching and centrifuging the residual substances after distillation of the villous amomum leaves, and concentrating at the pressure of-0.08 MPa and the temperature of 25-35 ℃ to obtain villous amomum leaf oil concentrate; the leaching is to put the rest materials after distillation of the villous amomum leaves into an alcohol solution for soaking;
obtaining the amomum villosum leaf oil heavy component: diluting the obtained concentrated solution with alcohol, standing, and concentrating at 25-35 ℃ under the pressure of-0.08 MPa;
mixing light boiling point fructus Amomi leaf oil with fructus Amomi leaf oil heavy component to obtain complete fructus Amomi leaf oil.
2. The process for extracting amomum fruit leaf oil by water extraction-low temperature pressure transformation according to claim 1, which is characterized in that: the alcohol content for dilution was 95% by volume fraction.
3. The process for extracting amomum fruit leaf oil by water extraction-low temperature pressure transformation according to claim 1, which is characterized in that: the raw material is fructus Amomi leaf fragments.
4. The process for extracting amomum fruit leaf oil by water extraction-low temperature pressure transformation according to claim 3, which is characterized in that: the particle size of the fructus amomi leaf fragments is less than 5mm.
5. The process for extracting amomum fruit leaf oil by water extraction-low temperature pressure transformation according to claim 3, which is characterized in that: the fructus Amomi leaf fragments are obtained from fresh fructus Amomi leaf.
6. The process for extracting amomum fruit leaf oil by water extraction-low temperature pressure transformation according to claim 1, which is characterized in that: the alcohol solution is alcohol, and the content of the alcohol is 50% in terms of volume fraction.
7. An amomum fruit leaf oil prepared by the process of extracting amomum fruit leaf oil with water according to any one of claims 1-6.
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| CN101067104A (en) * | 2007-06-06 | 2007-11-07 | 广州大学 | Process of extracting amomum oil resin from spring amomum fruit |
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