CN113101691A - Plant supercritical extraction method and application of plant extract in shampoo - Google Patents
Plant supercritical extraction method and application of plant extract in shampoo Download PDFInfo
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Abstract
The invention discloses a plant supercritical extraction method and application of plant extract in shampoo, and relates to the technical field of extraction, wherein the plant composition comprises the following raw materials in parts by weight: the Chinese medicinal preparation is prepared by performing critical extraction by using supercritical carbon dioxide fluid as a solvent, has the characteristics of low-temperature extraction and inert protection, effectively improves the extraction efficiency of effective substances, can completely avoid any organic solvent in the extraction process, and maintains the full naturalness of the extract; the formula of the plant shampoo disclosed by the invention takes natural plants as main components, is safe and reliable, mild in performance and rich in foam, has the effects of relieving itching and removing dandruff, does not have adverse reaction, is simple in preparation method, does not need complex production equipment, is moderate in cost, and is suitable for large-scale production.
Description
Technical Field
The invention relates to the technical field of extraction, in particular to a plant supercritical extraction method and application of plant extract in shampoo.
Background
Shampoo is of various types and has various formula structures. The materials are classified into liquid, paste, powder and the like according to forms; the shampoo can be classified into common shampoo, conditioning shampoo, dandruff-removing and itching-relieving shampoo, children shampoo and shampoo for washing and dyeing according to action performance. Therefore, in the market, consumers can select different types of shampoos according to the hair quality of the consumers, such as shampoos suitable for different hair qualities of normal hair, dry hair, oily hair and the like; or products with different performances of removing dandruff, nutrition and the like, along with the continuous improvement of the living standard of people, the high-level requirement of people on hair washing is more and more vigorous, which is mainly reflected in the fact that the hair washing market represented by the daily chemical professional line channel in the Chinese personal care product market shows the consumption trend which is increased gradually in successive years. Especially, the desire for hair washing products which take scalp care as a purchase point becomes the focus of attention of people. In particular, the market needs a new technology which can change the traditional shampoo technology, especially the conversion from the claim of shampoo containing silicon oil to the claim of shampoo containing no silicon oil in recent years is an increasingly concerned topic for the industry and consumers.
At present, the shampoo with small side effect and capable of effectively treating the hair problem is urgently needed, and the plant formula has the advantages of safety, small side effect, simplicity, easiness in searching, high price, people friendliness and the like. Many people have extensive demands on the shampoo.
Disclosure of Invention
The invention aims to provide a plant supercritical extraction method and application of plant extract in shampoo, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a plant supercritical extraction method comprises the following steps: crushing the plant composition, mixing or mixing and crushing to obtain raw material mixed powder, mixing the raw material mixed powder with 6-10 times of ethanol solution by weight, performing ultrasonic extraction for 40-80min to obtain ultrasonic solution, filtering the ultrasonic solution, removing the ethanol solution from the obtained solution through evaporation to obtain raw material extract solution, mixing the raw material extract solution, the surfactant, the auxiliary agent and the stabilizer according to a mass ratio of 1: (0.02-0.08): (0.007-0.015) adding the extract into an extraction reaction kettle for supercritical extraction to obtain an extraction product, placing the extraction product in an environment with the temperature of 4-8 ℃ for constant temperature for 60-100min, centrifugally separating to remove redundant impurities, and vacuumizing for 5-9h in a vacuum box with the temperature of 35-50 ℃ to obtain the plant extract.
As a further scheme of the invention: the plant supercritical extraction method comprises the following steps: crushing the plant composition, mixing or mixing and crushing to prepare raw material mixed powder, wherein the raw material mixed powder and the enzyme solution are mixed according to the mass ratio of 1: (0.03-0.06), carrying out enzymolysis at 40-60 ℃ for 30-60min, then carrying out microwave treatment for 5-8min to obtain pretreated raw material powder, mixing the pretreated raw material powder with 6-10 times of ethanol solution by weight, carrying out ultrasonic extraction for 40-80min to obtain ultrasonic solution, filtering the ultrasonic solution, removing the ethanol solution from the obtained solution through evaporation to obtain raw material extract solution, and mixing the raw material extract solution, a surfactant, an auxiliary agent and a stabilizer in a mass ratio of 1: (0.02-0.08): (0.007-0.015) adding the extract into an extraction reaction kettle for supercritical extraction to obtain an extraction product, placing the extraction product in an environment with the temperature of 4-8 ℃ for constant temperature for 60-100min, centrifugally separating to remove redundant impurities, and vacuumizing for 5-9h in a vacuum box with the temperature of 35-50 ℃ to obtain the plant extract.
As a still further scheme of the invention: the plant composition is prepared from the following raw materials in parts by weight: 5-15 parts of cacumen biotae, 4-10 parts of lavender, 8-14 parts of eclipta, 7-12 parts of pinellia ternate, 4-9 parts of walnut, 2-5 parts of saponin and 5-12 parts of black bean leaves.
As a still further scheme of the invention: the plant composition is prepared from the following raw materials in parts by weight: 10-16 parts of olive, 4-7 parts of black sesame, 2-5 parts of ginger, 2-7 parts of south tall plum, 4-8 parts of pomegranate and 1-4 parts of citrus.
As a still further scheme of the invention: the above-mentioned superCritical extraction pressure of 45-55Mpa, extraction temperature of 40-45 deg.C, extraction time of 60-120min, and CO2The flow rate of the fluid is 12-16 kg/h.
As a still further scheme of the invention: the microwave power of the microwave treatment is 400-500W, and the microwave frequency is 2000-2200 MHz.
As a still further scheme of the invention: the surfactant is prepared from sodium laureth sulfate, decyl glucoside, cocamide MEA and cocamidopropyl betaine according to the proportion of 1:2:2:0.5, the stabilizer is one or a composition of more of cocamidodiethanol amine, dodecyl sulfuric acid, cocamidopropyl betaine, tea saponin or imidazoline derivatives, and the extraction aid is sucrose decanoate.
The plant extract is prepared by the plant supercritical extraction method.
The use of the above plant extract in shampoo.
Compared with the prior art, the invention has the beneficial effects that:
1) the supercritical carbon dioxide fluid is used as the solvent for critical extraction, has the characteristics of low-temperature extraction and inertia protection, effectively improves the extraction efficiency of effective substances, can completely avoid any organic solvent in the extraction process, and maintains the full naturalness of the extract;
2) the formula of the plant shampoo disclosed by the invention takes natural plants as main components, is safe and reliable, mild in performance and rich in foam, has the effects of relieving itching and removing dandruff, does not have adverse reaction, is simple in preparation method, does not need complex production equipment, is moderate in cost, and is suitable for large-scale production.
Detailed Description
The supercritical carbon dioxide fluid is used as the solvent for critical extraction, has the characteristics of low-temperature extraction and inertia protection, effectively improves the extraction efficiency of effective substances, can completely avoid any organic solvent in the extraction process, and maintains the full naturalness of the extract; the formula of the plant shampoo disclosed by the invention takes natural plants as main components, is safe and reliable, mild in performance and rich in foam, has the effects of relieving itching and removing dandruff, does not have adverse reaction, is simple in preparation method, does not need complex production equipment, is moderate in cost, and is suitable for large-scale production.
The technical solution of the present invention will be described in further detail with reference to specific embodiments.
Example 1
Crushing and mixing or mixing and crushing a plant composition to prepare raw material mixed powder, wherein the plant composition is prepared from the following raw materials in parts by weight: 5 parts of cacumen biotae, 4 parts of lavender, 8 parts of herba ecliptae, 7 parts of pinellia ternate, 4 parts of walnut, 2 parts of saponin and 5 parts of black bean leaves, wherein the raw material mixed powder and the enzyme solution are mixed according to the mass ratio of 1: 0.03 mixing, carrying out enzymolysis at 40 ℃ for 30min, then carrying out microwave treatment for 5min to obtain pretreated raw material powder, wherein the microwave power of the microwave treatment is 400W, the microwave frequency is 2000MHz, mixing the pretreated raw material powder with 6 times of ethanol solution by weight, carrying out ultrasonic extraction for 40min to obtain ultrasonic solution, filtering the ultrasonic solution, removing the ethanol solution from the obtained solution through evaporation to obtain raw material extract solution, and mixing the raw material extract solution, a surfactant, an auxiliary agent and a stabilizer in a mass ratio of 1: 0.02: 0.007 is added into an extraction reaction kettle for supercritical extraction to obtain an extraction product, the pressure of the supercritical extraction is 45Mpa, the extraction temperature is 40 ℃, the extraction time is 60min, and CO is added2The flow rate of the fluid is 12kg/h, the extracted product is placed in an environment with the temperature of 4 ℃ and is kept at the constant temperature for 60min, the surfactant is sodium laureth sulfate, decyl glucoside, cocamide MEA and cocamidopropyl betaine and is prepared according to the proportion of 1:2:2:0.5, the stabilizer is cocoyl diethanolamine, the extraction aid is sucrose decanoate, the excessive impurities are removed by centrifugal separation, and the plant extract can be obtained by vacuumizing for 5h in a vacuum box with the temperature of 35 ℃.
Example 2
Crushing and mixing or mixing and crushing a plant composition to prepare raw material mixed powder, wherein the plant composition is prepared from the following raw materials in parts by weight: 6 parts of cacumen biotae, 5 parts of lavender, 9 parts of herba ecliptae, 8 parts of pinellia ternate, 5 parts of walnut, 3 parts of saponin,6 parts of black bean leaves, namely mixing the raw material mixed powder with an enzyme solution according to a mass ratio of 1: 0.04, performing enzymolysis at 50 ℃ for 45min, performing microwave treatment for 7min to obtain pretreated raw material powder, wherein the microwave power of the microwave treatment is 400W, the microwave frequency is 2100MHz, mixing the pretreated raw material powder with 7 times of ethanol solution by weight, performing ultrasonic extraction for 50min to obtain ultrasonic solution, filtering the ultrasonic solution, removing the ethanol solution from the obtained solution through evaporation to obtain raw material extract solution, and mixing the raw material extract solution, a surfactant, an auxiliary agent and a stabilizer in a mass ratio of 1: 0.03: 0.008 adding into an extraction reaction kettle for supercritical extraction to obtain extract, wherein the supercritical extraction pressure is 50Mpa, the extraction temperature is 42 deg.C, the extraction time is 70min, and CO is added2The flow rate of the fluid is 13kg/h, the extracted product is placed in an environment with the temperature of 5 ℃ and is kept at the constant temperature for 70min, the surfactant is sodium laureth sulfate, decyl glucoside, cocamide MEA and cocamide propyl betaine and is prepared according to the proportion of 1:2:2:0.5, the stabilizer is lauryl sulfuric acid, the extraction aid is sucrose decanoate, the excessive impurities are removed through centrifugal separation, and the plant extract can be obtained by vacuumizing for 6h in a vacuum box with the temperature of 40 ℃.
Example 3
Crushing and mixing or mixing and crushing a plant composition to prepare raw material mixed powder, wherein the plant composition is prepared from the following raw materials in parts by weight: 8 parts of cacumen biotae, 6 parts of lavender, 10 parts of herba ecliptae, 9 parts of pinellia ternate, 6 parts of walnut, 4 parts of saponin and 7 parts of black bean leaves, wherein the raw material mixed powder and the enzyme solution are mixed according to the mass ratio of 1: 0.05, performing enzymolysis at 55 ℃ for 50min, performing microwave treatment for 8min to obtain pretreated raw material powder, wherein the microwave power of the microwave treatment is 400W, the microwave frequency is 2200MHz, mixing the pretreated raw material powder with 8 times of ethanol solution by weight, performing ultrasonic extraction for 60min to obtain ultrasonic solution, filtering the ultrasonic solution, removing the ethanol solution from the obtained solution through evaporation to obtain raw material extract solution, and mixing the raw material extract solution, a surfactant, an auxiliary agent and a stabilizer in a mass ratio of 1: 0.05: 0.010 is added into an extraction reaction kettlePerforming supercritical extraction at 55Mpa and 43 deg.C for 80min with CO2The flow rate of the fluid is 14kg/h, the extracted product is placed in an environment with the temperature of 6 ℃ and is kept at the constant temperature for 80min, the surfactant is sodium laureth sulfate, decyl glucoside, cocamide MEA and cocamidopropyl betaine and is prepared according to the proportion of 1:2:2:0.5, the stabilizer is cocamidopropyl betaine, the extraction aid is sucrose caprate, the excessive impurities are removed by centrifugal separation, and the plant extract can be obtained by vacuumizing for 7h in a vacuum box with the temperature of 45 ℃.
Example 4
Crushing and mixing or mixing and crushing a plant composition to prepare raw material mixed powder, wherein the plant composition is prepared from the following raw materials in parts by weight: 9 parts of cacumen biotae, 7 parts of lavender, 11 parts of herba ecliptae, 10 parts of pinellia ternate, 7 parts of walnut, 5 parts of saponin and 9 parts of black bean leaves, wherein the raw material mixed powder and the enzyme solution are mixed according to the mass ratio of 1: 0.06, carrying out enzymolysis at 60 ℃ for 55min, then carrying out microwave treatment for 7min to obtain pretreated raw material powder, wherein the microwave power of the microwave treatment is 450W, the microwave frequency is 2100MHz, mixing the pretreated raw material powder with 9 times of ethanol solution by weight, carrying out ultrasonic extraction for 70min to obtain ultrasonic solution, filtering the ultrasonic solution, removing the ethanol solution from the obtained solution through evaporation to obtain raw material extract solution, and mixing the raw material extract solution, a surfactant, an auxiliary agent and a stabilizer in a mass ratio of 1: 0.06: 0.012 is added into an extraction reaction kettle for supercritical extraction to obtain an extraction product, the pressure of the supercritical extraction is 55Mpa, the extraction temperature is 44 ℃, the extraction time is 90min, and CO is added into the extraction reaction kettle for supercritical extraction2The flow rate of the fluid is 15kg/h, the extracted product is placed in an environment with the temperature of 7 ℃ and is kept at the constant temperature for 90min, the surfactant is sodium laureth sulfate, decyl glucoside, cocamide MEA and cocamide propyl betaine and is prepared according to the proportion of 1:2:2:0.5, the stabilizer is tea saponin, the extraction aid is sucrose decanoate, the excessive impurities are removed through centrifugal separation, and the plant extract can be obtained by vacuumizing for 8h in a vacuum box with the temperature of 50 ℃.
Example 5
Crushing and mixing or mixing and crushing a plant composition to prepare raw material mixed powder, wherein the plant composition is prepared from the following raw materials in parts by weight: 10 parts of olive, 4 parts of black sesame, 2 parts of ginger, 2 parts of south alpine plum, 4 parts of pomegranate and 1 part of orange, wherein the raw material mixed powder and the enzyme solution are mixed according to the mass ratio of 1: 0.05, performing enzymolysis at 50 ℃ for 50min, performing microwave treatment for 8min to obtain pretreated raw material powder, wherein the microwave power of the microwave treatment is 500W, the microwave frequency is 2000MHz, mixing the pretreated raw material powder with 10 times of ethanol solution by weight, performing ultrasonic extraction for 80min to obtain ultrasonic solution, filtering the ultrasonic solution, removing the ethanol solution from the obtained solution through evaporation to obtain raw material extract solution, and mixing the raw material extract solution, a surfactant, an auxiliary agent and a stabilizer in a mass ratio of 1: 0.07: 0.013 into an extraction reaction kettle for supercritical extraction to obtain an extraction product, wherein the supercritical extraction pressure is 50Mpa, the extraction temperature is 45 ℃, the extraction time is 100min, and CO is added2The flow rate of the fluid is 16kg/h, the extracted product is placed in an environment with the temperature of 8 ℃ and is kept at the constant temperature for 100min, the surfactant is sodium laureth sulfate, decyl glucoside, cocamide MEA and cocamidopropyl betaine and is prepared according to the proportion of 1:2:2:0.5, the stabilizer is tea saponin, the extraction aid is sucrose decanoate, the excessive impurities are removed through centrifugal separation, and the plant extract can be obtained by vacuumizing for 9h in a vacuum box with the temperature of 40 ℃.
Example 6
Crushing and mixing or mixing and crushing a plant composition to prepare raw material mixed powder, wherein the plant composition is prepared from the following raw materials in parts by weight: 12 parts of olive, 6 parts of black sesame, 3 parts of ginger, 5 parts of south alpine plum, 6 parts of pomegranate and 3 parts of orange, wherein the raw material mixed powder and the enzyme solution are mixed according to the mass ratio of 1: 0.06 mixing, carrying out enzymolysis at 55 ℃ for 55min, then carrying out microwave treatment for 5min to obtain pretreated raw material powder, wherein the microwave power of the microwave treatment is 400W, the microwave frequency is 2100MHz, mixing the pretreated raw material powder with 9 times of ethanol solution, and carrying out ultrasonic extractionPreparing an ultrasonic solution, filtering the ultrasonic solution, removing an ethanol solution from the obtained solution through evaporation to obtain a raw material extract solution, and mixing the raw material extract solution, a surfactant, an auxiliary agent and a stabilizer according to a mass ratio of 1: 0.08: 0.014 adding into extraction reactor for supercritical extraction to obtain extract product, wherein the pressure of supercritical extraction is 55Mpa, the extraction temperature is 40 deg.C, the extraction time is 110min, and CO is added2The flow rate of the fluid is 14kg/h, the extracted product is placed in an environment with the temperature of 7 ℃ and is kept at the constant temperature for 70min, the surfactant is sodium laureth sulfate, decyl glucoside, cocamide MEA and cocamidopropyl betaine and is prepared according to the proportion of 1:2:2:0.5, the stabilizer is tea saponin, the extraction aid is an imidazoline derivative, the surplus impurities are removed through centrifugal separation, and the plant extract can be obtained by vacuumizing for 8h in a vacuum box with the temperature of 45 ℃.
Example 7
Crushing and mixing or mixing and crushing a plant composition to prepare raw material mixed powder, wherein the plant composition is prepared from the following raw materials in parts by weight: 16 parts of olive, 7 parts of black sesame, 5 parts of ginger, 7 parts of south alpine plum, 8 parts of pomegranate and 4 parts of orange, wherein the raw material mixed powder and the enzyme solution are mixed according to the mass ratio of 1: 0.06, carrying out enzymolysis at 60 ℃ for 60min, then carrying out microwave treatment for 8min to obtain pretreated raw material powder, wherein the microwave power of the microwave treatment is 500W, the microwave frequency is 2200MHz, mixing the pretreated raw material powder with 10 times of ethanol solution by weight, carrying out ultrasonic extraction for 80min to obtain an ultrasonic solution, filtering the ultrasonic solution, removing the ethanol solution from the obtained solution through evaporation to obtain a raw material extract solution, and mixing the raw material extract solution, a surfactant, an auxiliary agent and a stabilizer in a mass ratio of 1: 0.08: 0.015 of the total weight of the extract is added into an extraction reaction kettle for supercritical extraction to obtain an extraction product, the pressure of the supercritical extraction is 55Mpa, the extraction temperature is 45 ℃, the extraction time is 120min, and CO is added2The flow rate of the fluid is 16kg/h, the extracted product is placed in an environment with the temperature of 7 ℃ and is kept constant for 100min, and the surfactants are sodium laureth sulfate, decyl glucoside, cocamide MEA and cocamidopropyl betaine according to the ratio of 1:2:0.5, the stabilizing agent is tea saponin, the extraction auxiliary agent is imidazoline derivative, the excessive impurities are removed by centrifugal separation, and the plant extract can be obtained by vacuumizing for 9h in a vacuum box with the temperature of 50 ℃.
Example 8
Shampoo containing the plant extract prepared in example 4.
Comparative example 1
Crushing and mixing or mixing and crushing a plant composition to prepare raw material mixed powder, wherein the plant composition is prepared from the following raw materials in parts by weight: 9 parts of cacumen biotae, 7 parts of lavender, 11 parts of herba ecliptae, 10 parts of pinellia ternate, 7 parts of walnut, 5 parts of saponin and 9 parts of black bean leaves, wherein the raw material mixed powder and the enzyme solution are mixed according to the mass ratio of 1: 0.06, performing enzymolysis at 60 ℃ for 55min, and then performing microwave treatment for 7min to obtain pretreated raw material powder, wherein the microwave power of the microwave treatment is 450W, the microwave frequency is 2100MHz, and the pretreated raw material powder, the surfactant, the assistant and the stabilizer are mixed according to the mass ratio of 1: 0.06: 0.012 is added into an extraction reaction kettle for supercritical extraction to obtain an extraction product, the pressure of the supercritical extraction is 55Mpa, the extraction temperature is 44 ℃, the extraction time is 90min, and CO is added into the extraction reaction kettle for supercritical extraction2The flow rate of the fluid is 15kg/h, the extracted product is placed in an environment with the temperature of 7 ℃ and is kept at the constant temperature for 90min, the surfactant is sodium laureth sulfate, decyl glucoside, cocamide MEA and cocamide propyl betaine and is prepared according to the proportion of 1:2:2:0.5, the stabilizer is tea saponin, the extraction aid is sucrose decanoate, the excessive impurities are removed through centrifugal separation, and the plant extract can be obtained by vacuumizing for 8h in a vacuum box with the temperature of 50 ℃.
Comparative example 2
Crushing and mixing or mixing and crushing a plant composition to prepare raw material mixed powder, wherein the plant composition is prepared from the following raw materials in parts by weight: 9 parts of cacumen biotae, 7 parts of lavender, 11 parts of herba ecliptae, 10 parts of pinellia ternate, 7 parts of walnut, 5 parts of saponin and 9 parts of black bean leaves, wherein the raw material mixed powder and the enzyme solution are mixed according to the mass ratio of 1: 0.06 mixing, performing enzymolysis at 60 deg.C for 55min, and performing microwave treatment for 7min to obtainMixing the pretreated raw material powder with 9 times of ethanol solution by weight, performing ultrasonic extraction for 70min to obtain an ultrasonic solution, filtering the ultrasonic solution, removing the ethanol solution from the obtained solution through evaporation to obtain a raw material extract solution, and mixing the raw material extract solution, an auxiliary agent and a stabilizer according to a mass ratio of 1: 0.06: 0.012 is added into an extraction reaction kettle for supercritical extraction to obtain an extraction product, the pressure of the supercritical extraction is 55Mpa, the extraction temperature is 44 ℃, the extraction time is 90min, and CO is added into the extraction reaction kettle for supercritical extraction2The flow rate of the fluid is 15kg/h, the extracted product is placed in an environment with the temperature of 7 ℃ for constant temperature 90min, the stabilizing agent is tea saponin, the extraction auxiliary agent is sucrose decanoate, the excessive impurities are removed by centrifugal separation, and the plant extract can be obtained by vacuumizing for 8h in a vacuum box with the temperature of 50 ℃.
Comparative example 3
Crushing and mixing or mixing and crushing a plant composition to prepare raw material mixed powder, wherein the plant composition is prepared from the following raw materials in parts by weight: 9 parts of cacumen biotae, 7 parts of lavender, 11 parts of herba ecliptae, 10 parts of pinellia ternate, 7 parts of walnut, 5 parts of saponin and 9 parts of black bean leaves, wherein the raw material mixed powder and the enzyme solution are mixed according to the mass ratio of 1: 0.06, performing enzymolysis at 60 ℃ for 55min, performing microwave treatment for 7min to obtain pretreated raw material powder, wherein the microwave power of the microwave treatment is 450W, the microwave frequency is 2100MHz, and mixing the pretreated raw material powder, an auxiliary agent and a stabilizer according to a mass ratio of 1: 0.06: 0.012 is added into an extraction reaction kettle for supercritical extraction to obtain an extraction product, the pressure of the supercritical extraction is 55Mpa, the extraction temperature is 44 ℃, the extraction time is 90min, and CO is added into the extraction reaction kettle for supercritical extraction2The flow rate of the fluid is 15kg/h, the extracted product is placed in an environment with the temperature of 7 ℃ for constant temperature 90min, the stabilizing agent is tea saponin, the extraction auxiliary agent is sucrose decanoate, the excessive impurities are removed by centrifugal separation, and the plant extract can be obtained by vacuumizing for 8h in a vacuum box with the temperature of 50 ℃.
Test example 1
The plant extracts prepared in examples 1 to 7 and comparative examples 1 to 3 were tested for their ABTS free radical scavenging and bacteriostatic ability, and the specific results are shown in table 1:
table 1: ABTS free radical clearance data sheet
In conclusion, the supercritical carbon dioxide fluid is adopted as the solvent for the critical extraction, so that the method has the characteristics of low-temperature extraction and inertia protection, the extraction efficiency of effective substances is effectively improved, any organic solvent can be completely eliminated in the extraction process, and the full naturalness of the extract is maintained; the formula of the plant shampoo disclosed by the invention takes natural plants as main components, is safe and reliable, mild in performance and rich in foam, has the effects of relieving itching and removing dandruff, does not have adverse reaction, is simple in preparation method, does not need complex production equipment, is moderate in cost, and is suitable for large-scale production.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (9)
1. A plant supercritical extraction method is characterized by comprising the following steps: pulverizing the plant composition, mixing or mixing and pulverizing to obtain raw material mixed powder, mixing the raw material mixed powder with 6-10 times of ethanol solution by weight, performing ultrasonic extraction for 40-80min to obtain ultrasonic solution, filtering the ultrasonic solution, evaporating the obtained solution to remove the ethanol solution to obtain raw material extract solution, mixing the raw material extract solution, the surfactant, the auxiliary agent and the stabilizer according to a mass ratio of 1: (0.02-0.08): (0.007-0.015) adding the extract into an extraction reaction kettle for supercritical extraction to obtain an extraction product, placing the extraction product in an environment with the temperature of 4-8 ℃ for constant temperature for 60-100min, centrifugally separating to remove redundant impurities, and vacuumizing for 5-9h in a vacuum box with the temperature of 35-50 ℃ to obtain the plant extract.
2. The plant supercritical extraction method according to claim 1, characterized by comprising the steps of: crushing the plant composition, mixing or mixing and crushing to prepare raw material mixed powder, wherein the raw material mixed powder and the enzyme solution are mixed according to the mass ratio of 1: (0.03-0.06), carrying out enzymolysis at 40-60 ℃ for 30-60min, then carrying out microwave treatment for 5-8min to obtain pretreated raw material powder, mixing the pretreated raw material powder with 6-10 times of ethanol solution by weight, carrying out ultrasonic extraction for 40-80min to obtain ultrasonic solution, filtering the ultrasonic solution, removing the ethanol solution from the obtained solution through evaporation to obtain raw material extract solution, and mixing the raw material extract solution, a surfactant, an auxiliary agent and a stabilizer in a mass ratio of 1: (0.02-0.08): (0.007-0.015) adding the extract into an extraction reaction kettle for supercritical extraction to obtain an extraction product, placing the extraction product in an environment with the temperature of 4-8 ℃ for constant temperature for 60-100min, centrifugally separating to remove redundant impurities, and vacuumizing for 5-9h in a vacuum box with the temperature of 35-50 ℃ to obtain the plant extract.
3. The plant supercritical extraction method as claimed in claim 1 or 2, characterized in that the plant composition is composed of the following raw materials in parts by weight: 5-15 parts of cacumen biotae, 4-10 parts of lavender, 8-14 parts of eclipta, 7-12 parts of pinellia ternate, 4-9 parts of walnut, 2-5 parts of saponin and 5-12 parts of black bean leaves.
4. The plant supercritical extraction method according to claim 3, characterized in that the plant composition is composed of the following raw materials in parts by weight: 10-16 parts of olive, 4-7 parts of black sesame, 2-5 parts of ginger, 2-7 parts of south tall plum, 4-8 parts of pomegranate and 1-4 parts of citrus.
5. The plant supercritical extraction method according to claim 4, characterized in that the pressure of the supercritical extraction is 45-55Mpa, the extraction temperature is 40-45 ℃, the extraction time is 60-120min, CO is used2The flow rate of the fluid is 12-16 kg/h.
6. The plant supercritical extraction method as claimed in claim 1, wherein the microwave power of the microwave treatment is 400-500W, and the microwave frequency is 2000-2200 MHz.
7. The plant supercritical extraction method according to claim 6, characterized in that the surfactant is sodium laureth sulfate, decyl glucoside, cocamide MEA, cocamidopropyl betaine prepared according to the ratio of 1:2:2:0.5, the stabilizer is one or a combination of several of cocoyl diethanolamine, dodecyl sulfuric acid, cocamidopropyl betaine, tea saponin or imidazoline derivatives, and the extraction aid is sucrose decanoate.
8. A plant extract prepared by the supercritical extraction method of a plant according to any one of claims 1 to 7.
9. Use of a plant extract according to claim 8 in a shampoo.
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