CN1253169A - Lotus leaf extract, essential oil and preparation method thereof - Google Patents
Lotus leaf extract, essential oil and preparation method thereof Download PDFInfo
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- CN1253169A CN1253169A CN 98111556 CN98111556A CN1253169A CN 1253169 A CN1253169 A CN 1253169A CN 98111556 CN98111556 CN 98111556 CN 98111556 A CN98111556 A CN 98111556A CN 1253169 A CN1253169 A CN 1253169A
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- lotus leaf
- essential oil
- medicinal extract
- preparation
- extraction
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- 235000006508 Nelumbo nucifera Nutrition 0.000 title claims abstract description 61
- 235000006510 Nelumbo pentapetala Nutrition 0.000 title claims abstract description 61
- 239000000284 extract Substances 0.000 title claims abstract description 31
- 239000000341 volatile oil Substances 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000002904 solvent Substances 0.000 claims description 14
- 239000004615 ingredient Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims description 8
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 238000003815 supercritical carbon dioxide extraction Methods 0.000 claims 1
- 238000000194 supercritical-fluid extraction Methods 0.000 claims 1
- 239000004480 active ingredient Substances 0.000 abstract 2
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- 239000002304 perfume Substances 0.000 description 3
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- JBGSWIBJAGBGOP-UHFFFAOYSA-N Dehydronuciferine Chemical compound C1=CC=C2C3=C(OC)C(OC)=CC(CCN4C)=C3C4=CC2=C1 JBGSWIBJAGBGOP-UHFFFAOYSA-N 0.000 description 2
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- 229930182478 glucoside Natural products 0.000 description 1
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- 238000010438 heat treatment Methods 0.000 description 1
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- 238000007654 immersion Methods 0.000 description 1
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- JPUKWEQWGBDDQB-DTGCRPNFSA-N kaempferol 3-O-beta-D-galactoside Chemical compound O[C@@H]1[C@@H](O)[C@@H](O)[C@@H](CO)O[C@H]1OC1=C(C=2C=CC(O)=CC=2)OC2=CC(O)=CC(O)=C2C1=O JPUKWEQWGBDDQB-DTGCRPNFSA-N 0.000 description 1
- USOSNFWVEWONDB-UHFFFAOYSA-N liriodendrin Natural products COc1cc(cc(OC)c1OC2OC(CO)C(O)C(O)C2O)C3OC(C)(C)C4C(OC(C)(C)C34)c5cc(OC)c(OC6OC(CO)C(O)C(O)C6O)c(OC)c5 USOSNFWVEWONDB-UHFFFAOYSA-N 0.000 description 1
- FVRABHGHBLRNNR-UHFFFAOYSA-N liriodenine Natural products O=C1C=CC=c2c1cc3nccc4cc5OCOc5c2c34 FVRABHGHBLRNNR-UHFFFAOYSA-N 0.000 description 1
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- 235000006408 oxalic acid Nutrition 0.000 description 1
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Landscapes
- Medicines Containing Plant Substances (AREA)
Abstract
The invention relates to lotus leaf extract, lotus leaf essential oil and a preparation method thereof, which are characterized in that the lotus leaf extract and the essential oil contain active ingredients in lotus leaves, the content of the active ingredients is not less than 85 percent of the lotus leaf extract and not less than 99 percent of the essential oil respectively.
Description
The present invention relates to a kind of natural perfume, particularly the lotus leaf medicinal extract made from lotus leaf, essential oil and preparation method thereof.
Lotus leaf originates in the most of area of China, utilizes its effect as summer heat relieving and dampness eliminating, sending up the lucid YANG, hemostasis in the Chinese medicine.Introduce according to " Chinese medicine grand ceremony ", when lotus leaf is used as medicine, often adopt following concocting method: clean to wash, cut off the base of a fruit and edge, chopping, dry; Burnt FOLIUM NELUMBINIS: get the payload leaf, put in the pot, on cover the smaller pot of a bore, on paste blank sheet of paper, two pots of junction yellow mud sealing are forged to the blank sheet of paper bag and are coke yellow, cease fire, and treat cold taking-up.Adopt the method for this process of preparing Chinese medicine to make Lotus Leaf, because at high temperature, toasting carotene in the lotus leaf, chlorophyll etc. for a long time will lose.Can not obtain medicinal extract and essential oil.At present, people adopt steam distillation to extract lotus leaf drink, according to China Light Industry Press publish " natural perfume processing handbook (" natural perfume processing handbook is write group and write) is introduced, lotus leaf is adopted water distillation or through after suitable " chopping " and " water looses " pre-treatment, adopts the distilling above water mode; No matter adopt any mode distillation temperature all greater than 80 ℃, thereby still exist in the lotus leaf carotene, chlorophyll etc. and lose, the oily water separation of adopting owing to lotus leaf distillatory distillate simultaneously is difficult, thereby can only obtain lotus leaf drink, and wherein the lotus leaf effective ingredient is all lower.Recently lotus leaf extracts and adopts solvent method, promptly in containing the container of lotus leaf, add an amount of lower boiling volatile solvent, under the effect of these solvents, separate out in the blade in the effective ingredient in the lotus leaf, flow in the solvent, make by the volatilization of solvent again, thereby reduced the percentage composition of solvent in solution, improve the percentage composition of solute (effective ingredient of lotus leaf); But owing to its solvent can not vapor away from solution fully at content, and objectionable impurities remains in the medicinal extract, has influenced the effective ingredient of lotus leaf.
The purpose of this invention is to provide higher lotus leaf medicinal extract of a kind of lotus leaf effective component content and lotus leaf essential oil.
Another object of the present invention provides the preparation method of a kind of lotus leaf medicinal extract and lotus leaf essential oil.
Lotus leaf medicinal extract provided by the present invention and lotus leaf essential oil contain following composition:
Nuciferine, Nuciferine, miltanthin, armepavine, pronuciferine, N-demethyl Nuciferine, the D-N-methyl coclaurine, anonaine, liriodendrin, square rafter bucket skin element, trifoliin, connect glucoside, carotene, chlorophyll, tartrate, citric acid, oxysuccinic acid, gluconic acid, oxalic acid, succsinic acid, the gentle matter of grass, 2-hydroxyl-1-methoxyl group aporphine, aporheine, armepavine, dehydronuciferine, dehydroroemerine, dehydroanonaine, the N-methyl coclaurine, (10)-the N-methyl coclaurine, Boldina, caaverine, anolobine, magnocurarine, the N-nornuciferine candicine.
The content of the above composition of lotus leaf medicinal extract provided by the present invention is no less than 80%; The content of the above composition of lotus leaf essential oil provided by the present invention is no less than 90%.
The lotus leaf medicinal extract of foregoing invention and lotus leaf essential oil can be by following method preparations, and its technical process is:
1. collection lotus leaf.
2. cut off stained part.
3. clean.
4. dry in the shade.
5. pulverize.
6. supercritical CO
2Extraction.
The preparation condition of medicinal extract and essential oil is respectively during extraction:
1. solvent is edible CO 2 (CO
2) and add small amount of polar and carry agent.
2. extracting pressure is 6-30MPa.
3. preparation temperature is 30-50 ℃.
4. the temperature of solvent tank is 0 ℃, and condensation cold trap temperature is-5 ℃.
5. the time of extraction medicinal extract, essential oil is 1-2 hour.
Further describe the present invention below by embodiment.
Cut off stained part after gathering new lotus leaf, divide after cleaning and on clean bamboo mat, dried in the shade 5 days, adopt pulverizer to be ground into smalls, Lotus Leaf is put into extractor, and add the liquid edible carbonic acid gas and small amount of polar is carried agent, and to close in the extractor pressure in the extractor is added to 6-30MPa, temperature reaches 30-50 ℃, and the temperature of carbon dioxide storage tank is 0 ℃, and carbon dioxide condensing cold trap temperature is-5 ℃; When carbonic acid gas at first permeates to Lotus Leaf, be penetrated into organization internal by appearance always, simultaneously or subsequently carbonic acid gas begins the effective ingredient in the Lotus Leaf is dissolved; So in the lotus leaf tissue, produced relative high density quickly, at this moment be formed naturally concentration difference, the high density place has just produced " diffusion potential ", because Heating temperature is not high, effective ingredient all can not lost; The capital is dissolved.After the dissolving, effective ingredient spreads gradually with regard to relying on " diffusion potential ", organizes the depths to be diffused into by lotus leaf and organizes shallow table place, and then be diffused in the carbon dioxide solvent; A mass transfer process that Here it is, this mass transfer process is performed until concentration difference and gradually goes to zero, and through 1-2 hour, the transmission of composition at this moment just was formed naturally transient equilibrium.The solution (lotus leaf immersion liquid) that will contain the lotus leaf effective ingredient is put into separator, reduces the pressure in the separator simultaneously, suitably improves the temperature in the separator, makes carbon dioxide gasification promptly remove solvent, makes the content of solvent be reduced to below 20% gradually; By extracting mouth, extract lotus leaf medicinal extract, lotus leaf essential oil.
Above-mentioned produce medicinal extract and essential oil is all carrying out below 50 ℃, thereby reduced losing of the effective ingredient in the lotus leaf, adopt edible CO 2 as extraction agent in addition, help separating of solvent and medicinal extract and essential oil, thereby improved the percentage composition of lotus leaf medicinal extract and essential oil.
Claims (5)
1. a lotus leaf medicinal extract that extracts from lotus leaf, lotus leaf essential oil wherein contain effective ingredient in the lotus leaf; The content that effective ingredient accounts for whole medicinal extract in the lotus leaf medicinal extract is no less than 85%; The content that the effective ingredient of lotus leaf essential oil accounts for whole essential oil is no less than 99%.
2. the preparation method of the described lotus leaf medicinal extract of claim 1, lotus leaf essential oil; Added extraction agent and carried agent in extraction preparation lotus leaf medicinal extract process, supercritical fluid extraction is adopted in the extraction of lotus leaf medicinal extract, lotus leaf essential oil.
3. the preparation method of lotus leaf medicinal extract according to claim 2, lotus leaf essential oil is characterized in that extraction agent is an edible CO 2.
4. according to the preparation method of claim 2 and 3 described lotus leaf medicinal extract, lotus leaf essential oil, it is characterized in that being the supercritical carbon dioxide extraction method, its extracting pressure is 6-30MPa, and temperature is 30-50 ℃; The tank temperature of solvent is 0 ℃, and condensation cold trap temperature is-5 ℃; The time of having come together is 1-2 hour.
5. the preparation method of lotus leaf medicinal extract according to claim 2, lotus leaf essential oil is characterized in that it carries agent is that polarity is carried agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98111556 CN1253169A (en) | 1998-11-03 | 1998-11-03 | Lotus leaf extract, essential oil and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98111556 CN1253169A (en) | 1998-11-03 | 1998-11-03 | Lotus leaf extract, essential oil and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1253169A true CN1253169A (en) | 2000-05-17 |
Family
ID=5221529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98111556 Pending CN1253169A (en) | 1998-11-03 | 1998-11-03 | Lotus leaf extract, essential oil and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1253169A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749232A (en) * | 2011-11-28 | 2012-10-24 | 河北科技师范学院 | Supercritical CO2 fluid extraction method for volatile components in hawthorn |
| JP2014024771A (en) * | 2012-07-25 | 2014-02-06 | Kanpo Shika Igaku Kenkyusho:Kk | Composition for preventing and treating periodontal disease and preservative for cosmetic |
| CN110393744A (en) * | 2019-08-01 | 2019-11-01 | 河南农业大学 | A kind of Lotus Leafextract and preparation method thereof and as alleviate chicken hot summer weather stress additive application |
-
1998
- 1998-11-03 CN CN 98111556 patent/CN1253169A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749232A (en) * | 2011-11-28 | 2012-10-24 | 河北科技师范学院 | Supercritical CO2 fluid extraction method for volatile components in hawthorn |
| JP2014024771A (en) * | 2012-07-25 | 2014-02-06 | Kanpo Shika Igaku Kenkyusho:Kk | Composition for preventing and treating periodontal disease and preservative for cosmetic |
| CN110393744A (en) * | 2019-08-01 | 2019-11-01 | 河南农业大学 | A kind of Lotus Leafextract and preparation method thereof and as alleviate chicken hot summer weather stress additive application |
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