CN114699358A - Preparation method of nano stone needle fiber mask containing bamboo leaf flavonoids - Google Patents
Preparation method of nano stone needle fiber mask containing bamboo leaf flavonoids Download PDFInfo
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- CN114699358A CN114699358A CN202210581817.7A CN202210581817A CN114699358A CN 114699358 A CN114699358 A CN 114699358A CN 202210581817 A CN202210581817 A CN 202210581817A CN 114699358 A CN114699358 A CN 114699358A
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- bamboo leaf
- stone needle
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- whitening
- fiber mask
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- 238000003756 stirring Methods 0.000 claims description 12
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- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/67—Vitamins
- A61K8/673—Vitamin B group
- A61K8/675—Vitamin B3 or vitamin B3 active, e.g. nicotinamide, nicotinic acid, nicotinyl aldehyde
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
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- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/34—Alcohols
- A61K8/345—Alcohols containing more than one hydroxy group
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- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
- A61K8/4973—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with oxygen as the only hetero atom
- A61K8/498—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with oxygen as the only hetero atom having 6-membered rings or their condensed derivatives, e.g. coumarin
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- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
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- A61K8/97—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution from algae, fungi, lichens or plants; from derivatives thereof
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- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
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Abstract
The invention relates to a preparation method of a nano stone needle fiber mask containing bamboo leaf flavonoids, wherein the nano stone needle fiber mask contains bamboo leaf flavonoids, stone needle powders, Gelatin (GE), Hyaluronic Acid (HA), organic alcohol, glacial acetic acid and whitening components; the ratio of bamboo leaf flavone, stone needle powder and whitening components is regulated, and the nano-fiber mask with moisturizing, antibacterial and whitening effects is prepared by adopting a core-shell electrostatic spinning technology. The invention is different from the traditional preparation idea of the facial mask, and uses gelatin to embed active ingredients such as bamboo leaf flavonoid and the like in spinning solution prepared from organic alcohol and organic hyaluronic acid for core-shell electrostatic spinning to prepare the nano stone needle fiber facial mask containing the bamboo leaf flavonoid. The method increases the dissolving rate and activity of bamboo leaf flavone, and the prepared facial mask has effects of keeping moisture, resisting bacteria and whitening skin, and has advantages of simple use and high health promotion effect.
Description
Technical Field
The invention relates to a preparation method of a nano stone needle fiber mask containing bamboo leaf flavonoids.
Background
With the continuous improvement of living standard of people, facial masks (carrier facial mask and coating facial mask) have been widely used. The facial mask realizes the beauty effect by promoting the circulation and the penetration of skin liquid through the interaction of facial mask materials and the skin. Due to the defects of sensitization, potential carcinogenicity and the like of the traditional skin whitening agent, the research and development of the natural plant whitening agent (fine chemical industry) which has high safety, good whitening performance and easy addition is very important. The bamboo leaf flavone is a plant flavone preparation which is obtained from Phyllostachys varieties with high content and has the characteristics of local resources and independent intellectual property rights in China, but has the defects of low solubility, deep color, difficult skin absorption and the like. However, the nano-fiber has a series of characteristics of low melting point, high reaction activity, high expansion coefficient, high diffusivity, strong absorptivity and the like, and the defects of the bamboo leaf flavone are just improved. The polymer filament (nanofiber) with nanometer diameter is prepared by an electrostatic spinning technology of a fiber manufacturing process, and the specific process is to carry out jet spinning on polymer solution or melt in a strong electric field. The nano-scale fiber prepared by the method has the advantages of large specific surface area, high porosity, light weight and the like. Electrospinning has been little studied in the field of facial masks. Therefore, in order to bring the advantages of rich raw materials, stable quality, safety and no toxicity of bamboo leaf flavone in China into play, research and development of the composite mask of the bamboo leaf flavone and the nano-fiber are carried out, and the nano-fiber mask with the effects of resisting oxidation, free radicals, bacteria, aging, moisture and the like is prepared by the electrostatic spinning technology, so that the defect problem of the bamboo leaf flavone is solved, and the development and utilization of bamboo leaf resources in China are promoted.
Disclosure of Invention
The invention aims to solve the problems that bamboo leaf flavone is low in solubility and a preparation is not easy to be absorbed by skin, and the defects of the prior art are overcome, and provides a preparation method of a nano stone needle fiber mask containing bamboo leaf flavone, so that a nano fiber mask which is easy to absorb, prepare and industrialize, can beautify and nourish the face, and can moisturize, resist oxidation, free radicals, resist bacteria and whiten the face is obtained.
The technical purpose of the invention is realized by the following technical scheme: a whitening composition comprises folium Bambusae flavone, stone needle powder, Gelatin (GE), Hyaluronic Acid (HA), glacial acetic acid, organic alcohol; the preparation method of the fiber mask comprises the steps of firstly controlling the mass ratio of HA to organic alcohol, and adding glacial acetic acid to prepare a spinning solution A for later use; uniformly mixing the bamboo leaf flavone, stone needle powder and whitening components with gelatin and ethanol to obtain a solution B, and then performing core-shell electrostatic spinning to obtain the fiber mask, wherein GE, HA, glacial acetic acid and organic alcohol are analytically pure.
Preferably, the glacial acetic acid is 60% aqueous solution by mass; controlling the mass ratio of the organic alcohol to the HA to be 5-10 percent; organic alcohol/HA: the mass fraction of the glacial acetic acid in the spinning solution is 1:3 and is 20-25 percent of the mass fraction of the spinning solution; the organic alcohol is one or the combination of ethylene glycol and glycerol.
Preferably, the nano stone needle fiber mask containing bamboo leaf flavonoid comprises the whitening component which is one or the combination of nicotinamide, vitamin C, tartaric acid or kojic acid.
Preferably, the nano stone needle fiber mask containing bamboo leaf flavonoids comprises the following components in parts by mass: 65.70% of stone needle powder, 20-25% of bamboo leaf flavone and 4-5% of whitening component.
Preferably, the bamboo leaf flavonoid-containing nano stone needle fiber mask comprises the following steps of:
1) putting 10g of crushed bamboo leaf powder of 20 meshes into a round-bottom flask;
2) adding 70ml of ethanol with the volume fraction of 60%, adjusting the pH value to 3-4 by using 2mol/L hydrochloric acid, and standing for 2 hours;
3) after standing for 2h, heating and refluxing for 3h, and separating the extracting solution after cooling;
4) adding 50ml of ethanol with the volume fraction of 60% into the obtained extracting solution again, and heating and refluxing for 2 h;
5) after separation of the extract, evaporation was carried out under controlled conditions by a rotary evaporator (P =0.09Mpa, constant temperature of water bath 50 ℃).
Preferably, the yield of the bamboo leaf flavone product in the bamboo leaf flavone extract of the nano stone needle fiber mask containing the bamboo leaf flavone is 13-17%.
Preferably, the nano stone needle fiber mask containing bamboo leaf flavonoid has the electrostatic spinning flow rate of 0.3-1.2mL/h and the voltage of 15-25 kV, a receiving screen of a collecting device adopts mask paper for receiving, the distance between a needle head and the receiving screen is 8-15cm, and the needle head is shown in figure 2.
Preferably, the nano stone needle fiber mask containing bamboo leaf flavonoid comprises the following steps:
step 1: dissolving organic alcohol and Hyaluronic Acid (HA) in deionized water, adding glacial acetic acid, and stirring for 3 hours in a constant-temperature water bath at 50-80 ℃ by using magnetic force of 280-320 r/min to obtain a spinning solution A;
step 2: adding stone needle powder, bamboo leaf flavone and whitening components into the obtained spinning solution, and controlling the mass ratio of the added substances to Gelatin (GE) to be 1: 2-1: 4, preparing into embedding bodies of active substances such as bamboo leaf flavone and the like; the stone needle powder, the bamboo leaf flavone and the whitening component have the following mass fractions: stirring 65-70% stone needle powder, 20-25% bamboo leaf flavone and 4-5% whitening component for 5-10 min;
and step 3: adding 50-80ml of ethanol with volume fraction of 60% into the embedding body prepared in the step 2 to obtain a solution B;
and 4, step 4: and (3) placing the solution B prepared from active substances such as bamboo leaf flavonoid and the like into the electrospinning core layer solution, performing core-shell electrospinning, collecting by using a collecting device according to the device shown in the figure 1, and thus obtaining the nano stone needle fiber mask containing the bamboo leaf flavonoid.
Advantageous effects
The bamboo leaf flavonoid and the stone needle are added, the influence of the ratio of the flavonoid, the stone needle and the spinning solution on the performance of the nano stone needle fiber mask containing the bamboo leaf flavonoid is systematically studied, and the preparation method provided by the invention is obtained. The bamboo leaf flavone has effects of scavenging free radicals, resisting oxidation, resisting bacteria, and resisting microorganism. At present, the bamboo leaf flavone has stronger antioxidation as other plant extracts, has the functions of preventing infection and resisting aging when being added into the mask, and also has the function of preventing bacteria on the mask material. The stone needle acts on human body and has the effects of balancing the pH value of the human body, promoting blood circulation, improving sub-health, maintaining beauty and keeping young and preserving health.
The nano stone needle fiber mask containing bamboo leaf flavonoid prepared by the invention is easy to prepare and industrialize, and the dissolution rate of the bamboo leaf flavonoid is increased and the slow release effect is enhanced by dividing a single needle into a core and a shell through a core-shell electrostatic spinning fiber preparation process. The nano stone needle fiber mask containing the bamboo leaf flavone prepared by the invention adopts the common bamboo leaf flavone as a nutrient, gelatin and hyaluronic acid as a spinning solution, the acid promotes the absorption of the bamboo leaf flavone, the activity of the bamboo leaf flavone nutrient is maintained, the ductility is increased through electrostatic spinning, the mask is easy to fold and unfold, the fine granularity of the mask is increased, and the mask is more skin-friendly when in use. Different from the traditional preparation idea of the facial mask, the invention is different from the traditional preparation idea of the facial mask, and the nano stone needle fiber facial mask containing the bamboo leaf flavone is prepared by carrying out core-shell electrostatic spinning on the active ingredients such as the bamboo leaf flavone embedded by gelatin and a spinning solution prepared from organic alcohol and organic hyaluronic acid. The application method comprises moistening face, spreading the facial mask, and applying to face.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic view of an electrospinning apparatus of the present invention;
fig. 2 is a schematic view of preparation of bamboo leaf flavonoid nanofibers according to the present invention.
Detailed Description
The following describes embodiments of the present invention in detail.
The following examples respectively adopt the following raw materials: GE. HA and glacial acetic acid are analytically pure;
the bamboo leaf flavone is self-made in a laboratory; the whitening component is one or combination of nicotinamide, vitamin C, tartaric acid or kojic acid.
Example 1
A preparation method of a nanometer stone needle fiber mask containing bamboo leaf flavonoids is shown in Table 1. The method comprises the following specific steps:
1) dissolving glacial acetic acid, gelatin and hyaluronic acid in deionized water, heating at 50 ℃, and magnetically stirring for 3 hours to obtain a spinning solution with the mass fraction of 20%;
2) adding stone needle powder, bamboo leaf flavone and whitening component (one or the combination of nicotinamide, vitamin C, tartaric acid or kojic acid) into the spinning solution, wherein the mass fractions are as follows: uniformly stirring 65.70% of stone needle powder, 25.00% of bamboo leaf flavone and 5% of whitening component to obtain a mixed spinning solution;
3) and (3) performing electrostatic spinning on the finally obtained mixed spinning solution, wherein the flow rate of the electrostatic spinning is 0.3mL/h, the voltage is 20 kV, the electrostatic spinning solution is collected through a collecting device, a receiving screen of the collecting device adopts mask paper for receiving, and the distance between a needle head and the receiving screen is 10cm, so that the stone needle nanofiber mask containing the bamboo leaf flavonoid is obtained.
The experimental test is carried out on the moisturizing, antibacterial and whitening effects of the mask product, and the experimental test specifically comprises the following steps: respectively selecting 20 people (10 people for each man and woman) in three age groups of 15-25, 26-35 and 35-45, and continuously using the product for more than 30 days. The recording effect is divided into five grades: the effect is obvious (high moisture retention, whitening and tendering skin), general and no effect, and is shown in table 2.
Table 1 preparation method and active ingredient mass fraction of the mask described in example 1.
Table 2 whitening and moisturizing effect of the mask described in example 1.
Example 2
A preparation method of a nano stone needle fiber mask containing bamboo leaf flavonoids is shown in Table 3. The method comprises the following specific steps:
1) dissolving glacial acetic acid, gelatin and hyaluronic acid in deionized water, heating at 50 ℃, and magnetically stirring for 3 hours to obtain a spinning solution with the mass fraction of 20%;
2) adding stone needle powder, bamboo leaf flavone and whitening component (one or the combination of nicotinamide, vitamin C, tartaric acid or kojic acid) into the spinning solution, wherein the mass fractions are as follows: stirring uniformly 65.70% of stone needle powder, 20% of bamboo leaf flavone and 4% of whitening component to obtain a mixed spinning solution;
3) and (3) performing electrostatic spinning on the finally obtained mixed spinning solution, wherein the flow rate of the electrostatic spinning is 0.3mL/h, the voltage is 20 kilovolts, the electrostatic spinning solution is collected through a collecting device, a receiving screen of the collecting device is received by mask paper, and the distance between a needle head and the receiving screen is 10cm, so that the stone needle nanofiber mask containing the bamboo leaf flavonoid is obtained.
The experimental test is carried out on the moisturizing, antibacterial and whitening effects of the mask product, and the experimental test specifically comprises the following steps: respectively selecting 20 people (10 people for each man and woman) in three age groups of 15-25, 26-35 and 35-45, and continuously using the product for more than 30 days. The recording effect is divided into five grades: the effect is obvious (high moisture retention, whitening and tendering skin), general and no effect, and is shown in table 4.
Table 3 preparation method and active ingredient mass fraction of mask described in example 2
Table 4 whitening and moisturizing effect of the mask described in example 2
Example 3
A preparation method of a nanometer stone needle fiber mask containing bamboo leaf flavonoids is shown in Table 5. The method comprises the following specific steps:
1) dissolving glacial acetic acid and hyaluronic acid in deionized water, heating at 50 ℃, and magnetically stirring for 3h to obtain a spinning solution A with the mass fraction of 20%.
2) Mixing stone needle powder, bamboo leaf flavone and whitening component (one or combination of nicotinamide, vitamin C, tartaric acid or kojic acid) with gelatin and ethanol to obtain liquid B, wherein the mass fractions of the liquid B are as follows: 68% of stone needle powder, 25% of bamboo leaf flavone and 5% of whitening component, and uniformly stirring;
3) and (3) placing the solution B prepared from active substances such as bamboo leaf flavonoid and the like into the electrospinning core layer solution, performing core-shell electrospinning, collecting by using a collecting device according to the device shown in the figure 1, and thus obtaining the nano stone needle fiber mask containing the bamboo leaf flavonoid.
The moisturizing, antibacterial and whitening effects of the mask product are tested in an experiment, and the test method specifically comprises the following steps: respectively selecting 20 people (10 people for each man and woman) in three age groups of 15-25, 26-35 and 35-45, and continuously using the product for more than 30 days. The recording effect is divided into five grades: the effect is obvious (high moisture retention, whitening and tendering skin), the effect is general, and no effect is found in table 6.
Table 5 preparation method and active ingredient mass fraction of mask described in example 3
Table 6 whitening and moisturizing effect of mask described in example 3
Example 4
A preparation method of a nano stone needle fiber mask containing bamboo leaf flavonoids is shown in Table 7. The method comprises the following specific steps:
1) dissolving glacial acetic acid, gelatin and hyaluronic acid in deionized water, heating at 50 ℃, and magnetically stirring for 6 hours to obtain a spinning solution A with the mass fraction of 20%;
2) mixing stone needle powder, bamboo leaf flavone and whitening component (one or combination of nicotinamide, vitamin C, tartaric acid or kojic acid) with gelatin and ethanol to obtain liquid B, wherein the mass fractions of the liquid B are as follows: 65.70 percent of stone needle powder, 15 percent of bamboo leaf flavone and 5 percent of whitening component are uniformly stirred;
3) and (3) placing the solution B prepared from active substances such as bamboo leaf flavonoid and the like into the electrospinning core layer solution, performing core-shell electrospinning, collecting by using a collecting device according to the device shown in the figure 1, and thus obtaining the nano stone needle fiber mask containing the bamboo leaf flavonoid.
The experimental test is carried out on the moisturizing, antibacterial and whitening effects of the mask product, and the experimental test specifically comprises the following steps: respectively selecting 20 people (10 people for each man and woman) in three age groups of 15-25, 26-35 and 35-45, and continuously using the product for more than 30 days. The recording effect is divided into five grades: the effect is obvious (high moisture retention, whitening and tendering skin), general and no effect, and is shown in table 8.
Table 7 preparation method and active ingredient mass fraction of mask described in example 4
Table 8 whitening and moisturizing effect of the mask described in example 4
Example 5
A preparation method of a nanometer stone needle fiber mask containing bamboo leaf flavonoids is shown in Table 9. The method comprises the following specific steps:
1) dissolving glacial acetic acid, gelatin and hyaluronic acid in deionized water, heating at 50 ℃, and magnetically stirring for 6 hours to obtain a spinning solution A with the mass fraction of 20%;
2) mixing stone needle powder, bamboo leaf flavone and whitening component (one or combination of nicotinamide, vitamin C, tartaric acid or kojic acid) with gelatin and ethanol to obtain liquid B, wherein the mass fractions of the liquid B are as follows: 65.70 percent of stone needle powder, 25 percent of bamboo leaf flavone and 5 percent of whitening component are uniformly stirred;
3) and (3) placing the solution B prepared from active substances such as bamboo leaf flavonoid and the like into the electrospinning core layer solution, performing core-shell electrospinning, collecting by using a collecting device according to the device shown in the figure 1, and thus obtaining the nano stone needle fiber mask containing the bamboo leaf flavonoid.
The experimental test is carried out on the moisturizing, antibacterial and whitening effects of the mask product, and the experimental test specifically comprises the following steps: respectively selecting 20 people (10 people for each man and woman) in three age groups of 15-25, 26-35 and 35-45, and continuously using the product for more than 30 days. The recording effect is divided into five grades: the effect is obvious (high moisture retention, whitening and tendering skin), general and no effect, and is shown in table 10.
Table 9 preparation method and active ingredient mass fraction of mask described in example 5
TABLE 10 whitening and moisturizing effect of the mask described in example 5
The comparative data from example 1 to example 5 are as follows, see table 6:
TABLE 6 whitening and moisturizing effects of the masks of examples 1-5
Examples 1 to 2, all of which used the hybrid electrostatic spinning, and the spinning solution was mixed with the active material and spun. In examples 3 to 5, core-shell spinning was employed. The whitening and moisturizing comparison of the examples 1-2 shows that the proportion of the bamboo leaf flavone is reduced in the example 1, the result is poor, and the experiment preparation method is changed in the examples 2-3, so that the core-shell spinning effect is better. In examples 2 and 4, the ratio of the whitening component was changed, and the results showed that the mass ratio was optimal at 5%.
In conclusion, core-shell spinning is adopted, and the proportion of stone needle powder, bamboo leaf flavone and whitening components is controlled (the mass fraction is 68% of stone needle powder, 25% of bamboo leaf flavone and 5% of whitening components). The bamboo leaf flavone has obvious antioxidation and moisturizing effects and has the effects of maintaining beauty and keeping young. In the prepared nano stone needle fiber mask containing the bamboo leaf flavonoid, the bamboo leaf flavonoid has higher activity by the electrostatic spinning technology, is easy to absorb by skin, and is a mask product with simple process and good effect.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (8)
1. A nanometer stone needle fiber mask containing bamboo leaf flavone is characterized in that the fiber mask contains bamboo leaf flavone, stone needle powder, Gelatin (GE), Hyaluronic Acid (HA), glacial acetic acid, organic alcohol and whitening components; the preparation method of the fiber mask comprises the steps of firstly controlling the mass ratio of HA to organic alcohol, and adding glacial acetic acid to prepare a spinning solution A for later use; uniformly mixing the bamboo leaf flavone, stone needle powder and whitening components with gelatin and ethanol to obtain a solution B, and then performing core-shell electrostatic spinning to obtain the fiber mask, wherein GE, HA, glacial acetic acid and organic alcohol are analytically pure.
2. The nano stone needle fiber mask containing bamboo leaf flavonoid is characterized in that glacial acetic acid is a 60% aqueous solution by mass ratio; controlling the mass ratio of the organic alcohol to the HA to be 5-10 percent; organic alcohol/HA: the mass fraction of the glacial acetic acid in the spinning solution is 1:3 and is 20-25 percent of the mass fraction of the spinning solution; the organic alcohol is one or the combination of ethylene glycol and glycerol.
3. The nano stone needle fiber mask containing bamboo leaf flavonoid is characterized in that the whitening component is one or the combination of nicotinamide, vitamin C, tartaric acid or kojic acid.
4. The nano stone needle fiber mask containing bamboo leaf flavonoid is characterized in that the stone needle powder, the bamboo leaf flavonoid and the whitening component are prepared from the following components in percentage by mass: 65-70% of stone needle powder, 20-25% of bamboo leaf flavone and 4-5% of whitening component.
5. The nano stone needle fiber mask containing bamboo leaf flavonoid is characterized in that the extraction and preparation steps of the bamboo leaf flavonoid comprise the following steps:
putting 10g-30g of pulverized 20-mesh bamboo leaf powder into a round-bottom flask;
adding 70ml of ethanol with the volume fraction of 60%, adjusting the pH to 3-4 by using 2mol/L hydrochloric acid, standing and settling for 2 hours;
standing, heating and refluxing for 3h, cooling, and separating the extractive solution;
adding 50ml of ethanol with the volume fraction of 60% into the obtained extracting solution again, and heating and refluxing for 2 h;
separating extractive solution, and evaporating under the control of rotary evaporator (P =0.09Mpa, water bath temperature 50 deg.C);
freezing the evaporation product in a vacuum freeze-drying machine until the evaporation product is dried to obtain the bamboo leaf flavone extract.
6. The nano stone needle fiber mask containing bamboo leaf flavonoid is characterized in that the electrostatic spinning flow rate is 0.3-1.2mL/h, the voltage is 15-25 kilovolts, a receiving screen of a collecting device adopts mask paper for receiving, and the distance between a needle head and the receiving screen is 8-15 cm.
7. The nano stone needle fiber mask containing bamboo leaf flavonoid is characterized in that the yield of the bamboo leaf flavonoid product is 13-17%.
8. The nano stone needle fiber mask containing bamboo leaf flavonoid is characterized by comprising the following steps of:
step 1: dissolving organic alcohol and Hyaluronic Acid (HA) in deionized water, adding glacial acetic acid, and stirring for 3 hours in a constant-temperature water bath at 50-80 ℃ by using magnetic force of 280-320 r/min to obtain a spinning solution A;
step 2: adding stone needle powder, bamboo leaf flavone and whitening components into the obtained spinning solution, and controlling the mass ratio of the added substances to Gelatin (GE) to be 1: 2-1: 4, preparing into embedding bodies of active substances such as bamboo leaf flavone and the like; the stone needle powder, the bamboo leaf flavone and the whitening component have the following mass fractions: stirring 65-70% stone needle powder, 20-25% bamboo leaf flavone and 4-5% whitening component for 5-10 min;
and step 3: adding 50-80ml of ethanol with the volume fraction of 60% into the embedding body prepared in the step 2 to obtain a solution B;
and 4, step 4: and (3) placing the solution B prepared from bamboo leaf flavonoid and other active substances into the electrospinning core layer solution, performing core-shell electrostatic spinning, and collecting by using a collecting device to obtain the bamboo leaf flavonoid-containing nano stone needle fiber mask.
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| CN117431645A (en) * | 2023-12-14 | 2024-01-23 | 福建省银河服饰有限公司 | Stone needle nanofiber preparation device and method |
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