CN110755318A - Application of clove extract in preparation of cosmetics - Google Patents

Application of clove extract in preparation of cosmetics Download PDF

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CN110755318A
CN110755318A CN201910996858.0A CN201910996858A CN110755318A CN 110755318 A CN110755318 A CN 110755318A CN 201910996858 A CN201910996858 A CN 201910996858A CN 110755318 A CN110755318 A CN 110755318A
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clove extract
cosmetics
clove
extract
water bath
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陈美龄
缪文华
胡嘉惠
卢珊
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Zhejiang Ocean University ZJOU
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Zhejiang Ocean University ZJOU
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/96Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
    • A61K8/97Cosmetics 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
    • A61K8/9783Angiosperms [Magnoliophyta]
    • A61K8/9789Magnoliopsida [dicotyledons]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/02Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0241Containing particulates characterized by their shape and/or structure
    • A61K8/025Explicitly spheroidal or spherical shape
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/34Alcohols
    • A61K8/342Alcohols having more than seven atoms in an unbroken chain
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/37Esters of carboxylic acids
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q17/00Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
    • A61Q17/005Antimicrobial preparations
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00Preparations for care of the skin
    • A61Q19/08Anti-ageing preparations
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/52Stabilizers
    • A61K2800/524Preservatives
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/56Compounds, absorbed onto or entrapped into a solid carrier, e.g. encapsulated perfumes, inclusion compounds, sustained release forms
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/80Process related aspects concerning the preparation of the cosmetic composition or the storage or application thereof
    • A61K2800/82Preparation or application process involves sonication or ultrasonication

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  • Cosmetics (AREA)

Abstract

The invention relates to the technical field of cosmetic preparation, and discloses an application of a clove extract in preparing cosmetics, wherein the addition amount of the clove extract in the cosmetics is 1-5% (w/w), the clove extract is added in a form of slow-release particles, and the extraction method of the clove extract comprises the following steps: mixing the clove powder and a solvent, performing ultrasonic-assisted extraction under the water bath heating condition, then incubating for 20-30 hours at 130-160 rpm and 37 ℃, filtering, and removing the solvent by rotary evaporation to finally obtain the clove extract. According to the invention, the clove extract is added into the cosmetics, so that the cosmetics can be effectively prevented from deteriorating due to microbial contamination; the clove extract has antifungal effect, and the cosmetic added with eugenol can relieve skin problems and the like through the antifungal effect; in addition, the clove extract also has a certain antioxidation function, so that the cosmetics have the functions of antioxidation and anti-aging.

Description

Application of clove extract in preparation of cosmetics
Technical Field
The invention relates to the technical field of cosmetic preparation, in particular to application of a clove extract in preparation of cosmetics.
Background
In recent years, plant extract cosmetics having less side effects and less toxicity have been increasingly favored, and under such a trend, cosmetics containing plant extracts as active ingredients have a wide market prospect. The plant extract is a plant product mainly composed of biological small molecules and macromolecules and formed by separating and purifying one or more active ingredients in plant materials by means of physical, chemical and biological methods. The cosmetic prepared by using the plant extract as an active ingredient has many advantages compared with the traditional cosmetic: overcomes the defect that the traditional cosmetics depend on chemical synthetic products, and ensures that the safety performance of the product is higher; the natural components are easier to be absorbed by the skin, so that the effect of the product is more obvious; more outstanding functionality, etc. The Chinese herbal medicine extract cosmetic is a bright point in the development of cosmetics, combines the characteristics of skin care products and Chinese herbal medicines, solves different skin problems by utilizing the characteristics of the Chinese herbal medicines which are purely natural and have obvious curative effects, and effectively improves skin quality.
The research reports now that more natural plant extracts mainly comprise saponin, alkaloid, polysaccharide, tea polyphenol, flavonoid, volatile oil and the like, and the functional components and related action mechanisms of the natural plant extracts are gradually discovered and proved by people, so that the natural plant extracts have obvious curative effects on the aspects of sun screening, whitening, aging resistance, sterilization and the like. For example, the publication of "a Chinese medicinal volatile oil and its application in cosmetics" in Chinese patent literature has a publication number of CN105287265A, which is composed of the following raw materials in parts by weight: 1.0-2.8 parts of angelica oil, 0.9-2.5 parts of turmeric oil, 0.9-2.5 parts of zedoary turmeric oil and 0.8-2.2 parts of blumea oil. The traditional Chinese medicine volatile oil and the cosmetics thereof provided by the invention are safe, have no stimulation, are easy to be absorbed by skin, have obvious effects of preventing and/or treating calluses, and solve the problem that the stratum corneum of the skin difficultly absorbs effective components. Therefore, the full application of the effective components of the plant extract in the cosmetic industry is a hot topic of future research.
The clove is a perennial plant, grows around the world and is used for commercial use, flower buds of the clove are used as spice after being ripe and harvested, the clove is rich in various active ingredients (eugenol, β -caryophyllene and the like) and has the effects of resisting oxidation, inhibiting bacteria, expelling parasites, treating neuralgia and the like, wherein the eugenol is the most main antibacterial active ingredient of clove essential oil, the eugenol is rich in resources, low in production cost and good in inhibition effect on various microorganisms, so that the clove has wide application prospects in cosmetics, medicines and foods, and the application research of the clove extract in the cosmetics is not available in the prior art.
Disclosure of Invention
The invention provides the application of the clove extract in preparing the cosmetics in order to overcome the problems that the traditional cosmetics depend on chemical synthetic products, can cause certain influence on human health after long-term use, have short shelf life and are easy to deteriorate due to microbial pollution after being unsealed, the clove extract is a natural plant extract, natural components are easier to be absorbed by skin, and the safety performance is high; the crude extract of clove is added into cosmetics, so that the cosmetics can be effectively prevented from deteriorating due to microbial contamination; and can relieve skin problems caused by fungi, and also has certain functions of preventing oxidation and resisting aging.
In order to achieve the purpose, the invention adopts the following technical scheme:
an application of a clove extract in preparing cosmetics, wherein the addition amount of the clove extract in the cosmetics is 1-5% (w/w).
The clove extract is a natural plant extract, natural components are easier to be absorbed by skin, and the safety performance is high; the crude extract of clove is added into cosmetics because the clove extract has an antibacterial function, so that the cosmetics can be effectively prevented from deteriorating due to microbial contamination; the clove extract has antifungal effect, and the cosmetic added with eugenol can relieve skin problems and the like through the antifungal effect; in addition, the clove extract also has a certain antioxidation function, so that the cosmetics have the functions of antioxidation and anti-aging.
The flos Caryophylli extract mainly contains volatile oil containing eugenol, acetyl eugenol, caryophyllene, methyl salicylate, methyl n-amyl ketone, benzaldehyde, benzyl acetate, etc., wherein the main antibacterial component is eugenol. Eugenol has broad-spectrum antibacterial effect, and can inhibit the growth of Staphylococcus aureus, Escherichia coli, Botrytis cinerea, etc. Because the eugenol is a natural extract, the eugenol has high safety, and has the advantages of safety, no toxicity, greenness and environmental protection compared with a chemical preservative. The bacteriostatic mechanism of the eugenol is that cell permeability is changed by acting on a cell wall and a biological membrane system, so that cell metabolism is disordered or acts on an enzyme system or functional protein in a bacterial cell to inhibit the cell metabolism; meanwhile, eugenol may act on genetic materials such as nucleic acid and the like, so that DNA replication, transcription and expression are inhibited. In addition, eugenol contains aromatic rings and polar groups on the aromatic rings, and can be combined with active groups of certain enzymes to destroy normal metabolic functions, thereby influencing the growth of thalli.
Preferably, the extraction method of the clove extract comprises the following steps: mixing the clove powder and a solvent, performing ultrasonic-assisted extraction under the water bath heating condition, then incubating for 20-30 hours at 130-160 rpm and 37 ℃, filtering, and removing the solvent by rotary evaporation to finally obtain the clove extract.
Preferably, the solvent is ethanol, and the mixing ratio of the clove powder to the ethanol is 1: 5-1: 20 (w/v).
Preferably, the water bath temperature is 85-95 ℃, and the ultrasonic-assisted extraction time is 10-40 min.
The invention adopts the ultrasonic-assisted extraction technology to carry out alcohol extraction on the clove powder, can effectively extract antibacterial active substances in the clove, and can play roles of preventing microbial contamination and resisting fungi when being added into cosmetics, so that the cosmetics are not easy to deteriorate and can relieve skin problems caused by fungi.
Preferably, the clove extract is added to the cosmetic in the form of sustained-release microparticles, and the preparation method of the sustained-release microparticles comprises the following steps:
(1) adding deionized water into the clove extract, and uniformly stirring the mixture in a water bath at 70-75 ℃ to obtain an aqueous solution of the clove extract;
(2) mixing caprylic capric acid glyceride, cetostearyl alcohol and PEG-30-dipolyhydroxystearate, and uniformly stirring in a water bath at 70-75 ℃ to obtain a coating solution;
(3) adding the clove extract aqueous solution into the coating solution, and stirring for 15-30 min in water bath at 70-75 ℃ to obtain emulsion;
(4) adding Tween 80 into the obtained emulsion, and stirring for 1-3 h at 45-55 ℃ to obtain the slow-release particles.
Preferably, in the step (1), the mixing ratio of the clove extract to the deionized water is 1: 10-1: 20(w/v), and the stirring time is 30-60 min.
Preferably, in the step (2), the mass fraction of the PEG-30-dipolyhydroxystearate in the coating liquid is 5-15%, and the mass ratio of the caprylic-capric glyceride to the cetostearyl alcohol is (3-5): 1.
preferably, the volume ratio of the clove extract aqueous solution to the coating solution in the step (3) is 1: (1-2).
Preferably, the tween 80 added in the step (4) accounts for 5-15% of the mass of the emulsion.
Firstly, adding a clove extract aqueous solution into a coating solution consisting of lipid and an emulsifier through the steps (1) to (3) to prepare a water-in-oil emulsion, then adding an emulsifier Tween 80 into the water-in-oil emulsion through the step (4), stirring and reacting at a specific temperature to effectively encapsulate the clove extract in the oil to prepare the sustained-release particles. The sustained release microparticles can self-emulsify in an aqueous solution to form water-in-oil-in-water (W)1/O/W2) The multiple emulsion has the functions of protecting, slowly releasing and promoting skin absorption of the clove extract wrapped in the multiple emulsion.
Because the lipid used in the coating liquid is the mixed lipid of the liquid lipid of caprylic capric acid glyceride and the solid lipid of cetostearyl alcohol, the fluidity of the oil phase in a water-in-oil system can be reduced, so that the prepared sustained-release particles are solid at normal temperature, the fusion between water phases and the oil phase and the interaction phenomenon of the inner and outer water phases penetrating through an oil film are reduced, and the storage stability of the sustained-release particles is improved.
The slow release particles encapsulated with the clove extract are added into cosmetics, so that the cosmetics have a strong slow release effect and can have the efficacy of the clove extract for a long time in one day; the slow-release particles can improve the retention amount of the clove extract in the skin and the amount of the clove extract penetrating through the skin, promote the absorption of the clove extract on the surface of the skin and enable cosmetics to better exert the effect.
Therefore, the invention has the following beneficial effects:
(1) the clove powder is subjected to alcohol extraction by adopting an ultrasonic-assisted extraction technology, so that antibacterial active substances in the clove can be effectively extracted;
(2) the crude extract of clove is added into cosmetics, so that the cosmetics can be effectively prevented from deteriorating due to microbial contamination; the clove extract has antifungal effect, and the cosmetic added with eugenol can relieve skin problems and the like through the antifungal effect; in addition, the clove extract also has a certain antioxidation function, so that the cosmetics have the functions of antioxidation and anti-aging;
(3) the slow release particles encapsulated with the clove extract are added into cosmetics, so that the cosmetics have a strong slow release effect and can have the efficacy of the clove extract for a long time in one day; the slow-release particles can improve the retention amount of the clove extract in the skin and the amount of the clove extract penetrating through the skin, promote the absorption of the clove extract on the surface of the skin and enable cosmetics to better exert the effect.
Drawings
FIG. 1 is a photograph showing the inhibition zone of clove extract against E.coli in example 1;
FIG. 2 is a photograph showing the inhibition zone of clove extract against Staphylococcus aureus in example 1.
In the figure: negative control 0, and zone of inhibition of 2 clove extract.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings.
The starting materials used in the present invention are commercially available without specific reference.
Example 1:
an application of flos Caryophylli extract in preparing facial cleanser is prepared by mixing flos Caryophylli extract with facial cleanser in an amount of 2% (w/w) thoroughly. The extraction method of the clove extract comprises the following steps: mixing flos Caryophylli powder and ethanol at a ratio of 1:10(w/v), performing ultrasonic-assisted extraction at 90 deg.C in water bath for 30min, incubating at 150rpm and 37 deg.C for 24 hr, filtering, and removing solvent by rotary evaporation to obtain flos Caryophylli extract.
Example 2:
the application of clove extract in preparing the facial cleanser is to fully mix the clove extract with the facial cleanser in a sustained-release microparticle form, wherein the addition amount of the clove extract in the facial cleanser is 2% (w/w).
The extraction method of the clove extract comprises the following steps: mixing flos Caryophylli powder and ethanol at a ratio of 1:10(w/v), performing ultrasonic-assisted extraction at 90 deg.C in water bath for 30min, incubating at 150rpm and 37 deg.C for 24 hr, filtering, and removing solvent by rotary evaporation to obtain flos Caryophylli extract.
The preparation method of the sustained-release particles comprises the following steps:
(1) adding deionized water into flos Caryophylli extract at a mixing ratio of 1:15(w/v), and stirring at 72 deg.C for 40min to obtain water solution of flos Caryophylli extract;
(2) mixing caprylic capric acid glyceride, cetostearyl alcohol and PEG-30-dipolyhydroxystearate, and stirring in a water bath at 72 ℃ for 40min to obtain a coating liquid, wherein the mass fraction of the PEG-30-dipolyhydroxystearate in the coating liquid is 10%, and the mass ratio of the caprylic capric acid glyceride to the cetostearyl alcohol is 4: 1;
(3) adding the clove extract water solution into the coating solution according to the volume ratio of 1:1, and stirring for 20min in a water bath at 72 ℃ to obtain emulsion;
(4) adding Tween 80 accounting for 10% of the emulsion mass into the obtained emulsion, and stirring at 50 deg.C for 2h to obtain sustained-release microparticles.
Example 3:
the application of clove extract in preparing the facial cleanser is to fully mix the clove extract with the facial cleanser in a sustained-release microparticle form, wherein the addition amount of the clove extract in the facial cleanser is 1% (w/w).
The extraction method of the clove extract comprises the following steps: mixing flos Caryophylli powder and ethanol at a ratio of 1:5(w/v), ultrasonic-assisted extracting at 85 deg.C in water bath for 10min, incubating at 130rpm and 37 deg.C for 20 hr, filtering, and removing solvent by rotary evaporation to obtain flos Caryophylli extract.
The preparation method of the sustained-release particles comprises the following steps:
(1) adding deionized water into flos Caryophylli extract at a mixing ratio of 1:10(w/v), and stirring at 70 deg.C for 30min to obtain water solution of flos Caryophylli extract;
(2) mixing caprylic capric acid glyceride, cetostearyl alcohol and PEG-30-dipolyhydroxystearate, and stirring in a water bath at 70 ℃ for 30min to obtain a coating liquid, wherein the mass fraction of the PEG-30-dipolyhydroxystearate in the coating liquid is 5%, and the mass ratio of the caprylic capric acid glyceride to the cetostearyl alcohol is 3: 1;
(3) adding the clove extract water solution into the coating solution according to the volume ratio of 1:1.5, and stirring for 15min in water bath at 70 ℃ to obtain emulsion;
(4) adding Tween 80 accounting for 5% of the emulsion, and stirring at 45 deg.C for 1 hr to obtain sustained release microparticle.
Example 4:
an application of flos Caryophylli extract in preparing cosmetic is prepared by mixing flos Caryophylli extract with facial cleanser in form of sustained release microparticle, wherein the addition amount of flos Caryophylli extract in the facial cleanser is 5% (w/w).
The extraction method of the clove extract comprises the following steps: mixing flos Caryophylli powder and ethanol at a ratio of 1:20(w/v), ultrasonic-assisted extracting at 95 deg.C in water bath for 40min, incubating at 160rpm and 37 deg.C for 30 hr, filtering, and removing solvent by rotary evaporation to obtain flos Caryophylli extract.
The preparation method of the sustained-release particles comprises the following steps:
(1) adding deionized water into flos Caryophylli extract at a mixing ratio of 1:20(w/v), and stirring at 75 deg.C for 60min to obtain water solution of flos Caryophylli extract;
(2) mixing caprylic capric acid glyceride, cetostearyl alcohol and PEG-30-dipolyhydroxystearate, and stirring in a water bath at 75 ℃ for 60min to obtain a coating liquid, wherein the mass fraction of the PEG-30-dipolyhydroxystearate in the coating liquid is 15%, and the mass ratio of the caprylic capric acid glyceride to the cetostearyl alcohol is 5: 1;
(3) adding the clove extract water solution into the coating solution according to the volume ratio of 1:2, and stirring for 30min in a water bath at the temperature of 75 ℃ to obtain emulsion;
(4) adding Tween 80 accounting for 15% of the emulsion by mass into the obtained emulsion, and stirring at 55 ℃ for 3h to obtain the sustained-release particles.
Firstly, testing the bacteriostatic performance of a clove extract:
the clove extract dilutions extracted in the above examples were added to the culture medium containing the standard strains of escherichia coli, staphylococcus aureus, pseudomonas aeruginosa and candida albicans, respectively, by agar punch method, and fully diffused into the culture medium, and the diameters of the inhibition zones were measured after culturing in a biochemical incubator at 37 ℃ for 24h, with the results shown in table 1.
Table 1: the diameter (mm) of the inhibition zone.
Numbering Escherichia coli Staphylococcus aureus Pseudomonas aeruginosa Candida albicans
Example 1 18.2 17.7 17.5 26.6
Example 2 18.2 17.7 17.5 26.6
Example 3 16.8 17.2 17.3 26.0
Example 4 17.4 16.7 17.0 25.2
As can be seen from Table 1, the clove extract extracted by the invention has good bacteriostatic performance on bacteria and fungi.
Secondly, testing the antibacterial performance of the facial cleanser added with the clove extract:
the facial cleanser added with clove extract in the above examples was mixed with mixed bacterial and mixed fungal suspensions, and the bacteria were selected from escherichia coli, pseudomonas aeruginosa, staphylococcus aureus, respectively, according to the microbial challenge test method of USP in the united states; the fungi are Candida albicans and Aspergillus niger. Samples were taken for analysis on days 0, 7, 14, 21 and 28 after inoculation by plate counting method. The colony number is less than 10CFU/g measured on the 7 th day, which shows that the facial cleanser added with the clove extract has the effect of inhibiting and killing microorganisms, and the product is not easily polluted by the microorganisms during production, storage and use through a microorganism challenge test.
And thirdly, testing the slow release performance of the slow release particles:
the sustained-release microparticles prepared in the above examples were examined for in vitro release by the following method:
(1) 2.5g of sustained-release particles are dissolved in 5g of deionized water to form multiple emulsion;
(2) taking 0.4mL multiple emulsion, diluting with ethanol to a constant volume of 10mL, ultrasonically demulsifying for 20min, filtering with 0.45 μ filter membrane, taking 0.4mL filtrate, and measuring absorbance A at 282nm wavelengthGeneral assembly
(3) Adding 4mL of multiple emulsion into a dialysis bag with the molecular weight cutoff of 10kDa, placing the dialysis bag into 100mL of physiological saline, and stirring the physiological saline in a water bath kettle at 37 ℃ at the rotating speed of 200 rpm;
(4) taking 2mL of liquid from the beaker in the step (3) at regular intervals, and adding 2mL of fresh physiological saline to keep the volume of the liquid in the beaker constant;
(5) measuring the absorbance A of the liquid taken out in the step (4) at a wavelength of 282nmt
The release amount of the sustained-release fine particles is (A)t/AGeneral assembly)×100%。
The result shows that the clove extract is directly dissolved in water in the embodiment 1, the release rate of the clove extract reaches 80.5% after 5 hours, and the release is basically complete; while the release rates of the clove extracts in the sustained-release particles of the embodiments 2 to 4 tend to be balanced after 15 hours, the maximum release rate of the sustained-release particles of the embodiments 2 reaches 79.4%, the maximum release rate of the sustained-release particles of the embodiments 3 reaches 81.2%, and the maximum release rate of the sustained-release particles of the embodiments 4 reaches 79.2%. The slow release particles prepared in the invention are proved to have good slow release effect on the clove extract, and are beneficial to the lasting exertion of the efficacy of cosmetics on human skin.
And fourthly, testing the skin absorption performance of the sustained-release particles:
the research on the skin absorption performance is carried out by a vertical Franz diffusion cell, and the effective diffusion area of the diffusion cell is 2.8cm2The volume of the receiving pool is 6.5mL, the water bath temperature of the interlayer of the diffusion pool is 32 ℃ which is close to the skin surface temperature, and the receiving pool is selected to be used with a human bodyThe skin of pigs with similar skin permeability was used as the test skin. The receiving reservoir was filled with physiological saline, and then the pig skin was fixed between the supply reservoir and the receiving reservoir with the stratum corneum of the skin facing the supply reservoir.
(1) Dissolving 3g of sustained-release particles in deionized water to form multiple emulsion, and metering to 25 mL;
(2) taking 0.4mL multiple emulsion, diluting with ethanol to a constant volume of 10mL, ultrasonically demulsifying for 20min, filtering with 0.45 μ filter membrane, taking 0.4mL filtrate, and measuring absorbance A at 282nm wavelengthGeneral assembly
(3) 0.4mL of multiple emulsion is dripped on the skin surface in a supply pool, a diffusion pool is placed in a water bath, and a receiving pool is stirred at the rotating speed of 200 rpm;
(4) after 24 hours, taking out the diffusion cell, washing away the sustained-release particles remained on the surface of the skin by using normal saline, then cutting the pigskin into pieces, fixing the volume to a 25mL volumetric flask by using absolute ethyl alcohol, performing ultrasonic emulsion breaking for 60min, taking out 0.4mL, and measuring the absorbance A of the pigskin at the wavelength of 282nm1
(5) 0.4mL of the thus-obtained sample was taken out of the receiving solution, and the absorbance A at a wavelength of 282nm was measured2
Calculating the concentration of the clove extract corresponding to each absorbance according to the standard curve, thereby calculating the mass m of the clove extract corresponding to each absorbanceGeneral assembly、m1、m2
The retention rate of the clove extract is (m)1/mGeneral assembly)×100%
Transmittance of (m)2/mGeneral assembly)×100%。
The results showed that after 24h, the retention rate of the clove extract in the sustained release microparticles in examples 2 to 4 in the skin was about 2.2 times the retention rate of the aqueous solution of the clove extract in example 1, and the permeation rate of the clove extract in the aqueous solution of the clove extract in example 1 was 3.9 times the permeation rate of the clove extract in the sustained release microparticles in examples 2 to 4. The slow release particles are proved to be capable of promoting the clove extract to be absorbed on the surface of the skin, and the slow release particles can better exert the effect on the skin when being added into cosmetics.

Claims (9)

1. The application of the clove extract in preparing the cosmetics is characterized in that the addition amount of the clove extract in the cosmetics is 1-5% (w/w).
2. The use of the clove extract in the preparation of cosmetics according to claim 1, wherein the extraction method of the clove extract comprises the following steps: mixing the clove powder and a solvent, performing ultrasonic-assisted extraction under the water bath heating condition, then incubating for 20-30 hours at 130-160 rpm and 37 ℃, filtering, and removing the solvent by rotary evaporation to finally obtain the clove extract.
3. The use of the clove extract in preparing cosmetics according to claim 2, wherein the solvent is ethanol, and the mixing ratio of clove powder to ethanol is 1: 5-1: 20 (w/v).
4. The application of the clove extract in preparing the cosmetics as claimed in claim 2 or 3, wherein the water bath temperature is 85-95 ℃, and the ultrasonic-assisted extraction time is 10-40 min.
5. The use of clove extract as claimed in claim 1 for the preparation of cosmetics, wherein said clove extract is added to cosmetics in the form of slow release particles, said slow release particles being prepared by a process comprising the steps of:
(1) adding deionized water into the clove extract, and uniformly stirring the mixture in a water bath at 70-75 ℃ to obtain an aqueous solution of the clove extract;
(2) mixing caprylic capric acid glyceride, cetostearyl alcohol and PEG-30-dipolyhydroxystearate, and uniformly stirring in a water bath at 70-75 ℃ to obtain a coating solution;
(3) adding the clove extract aqueous solution into the coating solution, and stirring for 15-30 min in water bath at 70-75 ℃ to obtain emulsion;
(4) adding Tween 80 into the obtained emulsion, and stirring for 1-3 h at 45-55 ℃ to obtain the slow-release particles.
6. The application of the clove extract in preparing the cosmetics is characterized in that the mixing ratio of the clove extract and deionized water in the step (1) is 1: 10-1: 20(w/v), and the stirring time is 30-60 min.
7. The use of clove extract in the preparation of cosmetics according to claim 5, wherein in the step (2), the mass fraction of PEG-30-dipolyhydroxystearate in the coating liquid is 5-15%, and the mass ratio of caprylic capric glyceride to cetostearyl alcohol is (3-5): 1.
8. the use of clove extract in the preparation of cosmetics according to claim 5, wherein the volume ratio of the clove extract aqueous solution to the coating solution in the step (3) is 1: (1-2).
9. The application of the clove extract in preparing the cosmetics as claimed in claim 5, wherein the Tween 80 added in the step (4) accounts for 5-15% of the weight of the emulsion.
CN201910996858.0A 2019-10-19 2019-10-19 Application of clove extract in preparation of cosmetics Pending CN110755318A (en)

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CN111419745A (en) * 2020-04-01 2020-07-17 广州今盛美精细化工有限公司 Roxburgh rose extract and application thereof in preparation of cosmetics
CN113679092A (en) * 2021-09-08 2021-11-23 湖北中烟工业有限责任公司 Preparation method of cigarette spice capable of reducing harmful substances in smoke

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