WO2014061332A1 - ヒアルロン酸ゲル及びその製造方法 - Google Patents
ヒアルロン酸ゲル及びその製造方法 Download PDFInfo
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- WO2014061332A1 WO2014061332A1 PCT/JP2013/071003 JP2013071003W WO2014061332A1 WO 2014061332 A1 WO2014061332 A1 WO 2014061332A1 JP 2013071003 W JP2013071003 W JP 2013071003W WO 2014061332 A1 WO2014061332 A1 WO 2014061332A1
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- hyaluronic acid
- acid
- gel
- acid gel
- hyaluronic
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
- A61K8/735—Mucopolysaccharides, e.g. hyaluronic acid; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/0212—Face masks
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/0216—Solid or semisolid forms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/04—Dispersions; Emulsions
- A61K8/042—Gels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- 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
- A61K8/33—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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- 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
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/36—Carboxylic acids; Salts or anhydrides thereof
- A61K8/362—Polycarboxylic acids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- 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
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/36—Carboxylic acids; Salts or anhydrides thereof
- A61K8/365—Hydroxycarboxylic acids; Ketocarboxylic acids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A61Q19/08—Anti-ageing preparations
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/66—Polyesters containing oxygen in the form of ether groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
- C08J3/075—Macromolecular gels
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
- C08L5/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/20—Chemical, physico-chemical or functional or structural properties of the composition as a whole
- A61K2800/22—Gas releasing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/20—Chemical, physico-chemical or functional or structural properties of the composition as a whole
- A61K2800/24—Thermal properties
- A61K2800/242—Exothermic; Self-heating; Heating sensation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2305/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2301/00 or C08J2303/00
- C08J2305/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
Definitions
- the present invention relates to a hyaluronic acid gel and a method for producing the same.
- Hyaluronic acid is a linear polymer polysaccharide in which ⁇ -DN-acetylglucosamine and ⁇ -D-glucuronic acid are alternately bound.
- hyaluronic acid is prepared by fermentation and extraction using microorganisms such as Streptococcus genus, or isolated extraction from chicken crowns or umbilical cords.
- hyaluronic acid is contained in the human body, has excellent biocompatibility, and exhibits various medicinal effects including moisturizing action, and thus has attracted attention as a natural material in the medical field and beauty field.
- hyaluronic acid gel is excellent in handleability and is very useful in the medical field and beauty field.
- Hyaluronic acid gel is usually prepared by crosslinking hyaluronic acid by chemical modification (Patent Documents 1 to 3), but chemically modified crosslinked hyaluronic acid is not natural hyaluronic acid itself. Moreover, although the manufacturing method of the hyaluronic acid gel using an acid is also known (patent documents 4 and 5), a process is complicated and it is in manufacture of hyaluronic acid gel of the form of a gel sheet etc. which are required in the medical field or the beauty field. Inappropriate.
- the hyaluronic acid does not dissolve out, and the hyaluronic acid acts on the skin and is not suitable as a gel used in the beauty field where the skin is moistened and firm.
- Patent Document 8 Cosmetics that improve blood flow by absorbing carbon dioxide into the skin are also known.
- this cosmetic is also complicated to use because it mixes a preparation containing a carbonate and a preparation containing an acidic component during use and generates carbon dioxide on the face.
- the problem to be solved by the present invention is to solve the above-mentioned conventional problems, the manufacturing method is simple, and the excellent features inherent in hyaluronic acid are utilized, and the flexibility, elasticity, and tensile strength required for cosmetics
- An object of the present invention is to provide a cosmetic comprising a hyaluronic acid gel that fits well on the skin surface and adheres closely to the skin and moisturizes the skin. Furthermore, when the hyaluronic acid gel cosmetic is applied to the skin and then massaged with water, the gel is quickly dissolved, and the hyaluronic acid and the ingredients contained in the cosmetic are absorbed into the skin. There is.
- the problem to be solved by the present invention is to provide a cosmetic that is applied to the skin and has a high anti-wrinkle effect and a beauty effect.
- the hyaluronic acid gel according to the present invention made to solve the above-mentioned problems is characterized by containing hyaluronic acid, a polyvalent carboxylic acid or oxycarboxylic acid, and a polyhydric alcohol.
- the hyaluronic acid gel according to the present invention dissolves quickly by adding an appropriate amount of water or lotion.
- the reason for the rapid dissolution is that the material is selected as such.
- a hyaluronic acid gel having the desired characteristics can be easily prepared.
- the polyvalent carboxylic acid or oxycarboxylic acid is preferably contained in an amount of 10 to 400 parts by weight, more preferably 10 to 100 parts by weight, based on 100 parts by weight of hyaluronic acid.
- the polyhydric alcohol is preferably contained in an amount of 100 to 8000 parts by weight with respect to 100 parts by weight of hyaluronic acid. It may contain valuable cosmetic ingredients.
- this hyaluronic acid gel is that the gel structure is broken and the hiruuronic acid dissolves when the gel comes into contact with a large amount of water.
- the hyaluronic acid gel in the present invention can reversibly become a gel state and a soluble form. Therefore, it is possible to solubilize the hyaluronic acid gel and blended valuable ingredients into the skin by solubilizing the hyaluronic acid gel by applying an appropriate amount of water after being applied to the skin in a gel state and massaging.
- the hyaluronic acid gel is formed into a sheet having a suitable shape as a cosmetic material such as a full face sheet and a sheet for the eyes.
- the thickness of the sheet is preferably 30 ⁇ m or more and 1 mm or less. When the thickness of the sheet is smaller than 30 ⁇ m, the sheet may have insufficient strength and may be difficult to handle, and the feeling of warmness when applied to the skin may be insufficient. If the thickness is 1 mm or more, it may be heavy and difficult to handle.
- hyaluronic acid gel as a cosmetic is that when the gel comes into contact with a large amount of water, the gel structure is broken and hirulonic acid dissolves.
- the present hyaluronic acid gel can reversibly become a gel state and a soluble form. Therefore, it is possible to solubilize the hyaluronic acid gel and blended valuable ingredients into the skin by solubilizing the hyaluronic acid gel by applying an appropriate amount of water after being applied to the skin in a gel state and massaging.
- the gel structure is broken and dissolved as water-soluble hyaluronic acid while giving warmth.
- the hyaluronic acid gel is acidic due to hyaluronic acid and polyhydric alcohol, so that the carbonate is oxidized to carbon dioxide and foams on the skin.
- carbonate sodium carbonate, sodium hydrogencarbonate, potassium carbonate, etc. can be used. Carbon dioxide gas generated on the skin surface is taken into the skin and promotes the metabolism of skin cells and promotes skin activation, thereby further enhancing the cosmetic effect.
- the raw material hyaluronic acid may be either extracted from animal tissue or produced by fermentation.
- Hyaluronic acid may be a metal salt such as sodium salt or potassium salt.
- the molecular weight of the raw material hyaluronic acid is preferably in the range of about 5 ⁇ 10 4 to about 5 ⁇ 10 6 daltons.
- the molecular weight in the present invention is a viscosity average molecular weight. Within this range, two or more kinds of hyaluronic acids having different molecular weights may be mixed and used. Also, those having a molecular weight in this range and those having a molecular weight smaller than this range can be mixed and used. Addition of a low molecular weight water-soluble substance such as low molecular weight hyaluronic acid (molecular weight 2 ⁇ 10 4 or less), collagen, acetylglucosamine, etc. can accelerate gel solubility.
- the amount of hyaluronic acid used in the present invention is preferably in the range of 0.1% to 50% by weight in the gel. If the amount of hyaluronic acid in the gel is less than 0.1% by weight, the gel becomes soft and it may be difficult to form an excellent elastic gel. On the other hand, if it exceeds 50% by weight, it becomes hard, and it may be difficult to form an excellent elastic gel, and the adhesion to the skin may be poor.
- the polyvalent carboxylic acid used in the present invention is not particularly limited as long as it has two or more carboxylic acid groups in the molecule, and the oxycarboxylic acid has any carboxylic acid group and hydroxyl group in the molecule.
- the oxycarboxylic acid has any carboxylic acid group and hydroxyl group in the molecule.
- citric acid, lactic acid, tartaric acid, oxalic acid and the like can be used.
- Citric acid and lactic acid are particularly preferred.
- Two or more kinds of polyvalent carboxylic acids or oxycarboxylic acids can be mixed and used.
- the amount of the polyvalent carboxylic acid or oxycarboxylic acid is preferably 10 parts by weight or more, more preferably in the range of 20 to 100 parts by weight with respect to 100 parts by weight of hyaluronic acid.
- the amount is less than 10 parts by weight, it may be difficult to form an excellent elastic gel.
- the acidity of the gel becomes unnecessarily high, and it may be difficult to form the gel.
- the polyhydric alcohol used in the present invention is not particularly limited, and glycerin, propylene glycol, polyethylene glycol, 1,3-butylene glycol, dipropylene glycol, sorbitol and the like can be used. Of these, glycerin and propylene glycol are particularly preferred.
- the amount of polyhydric alcohol is preferably 100 parts by weight or more with respect to 100 parts by weight of hyaluronic acid, and more preferably in the range of 200 to 8000 parts by weight. If the amount of polyhydric alcohol is less than 100 parts by weight, it may be difficult to form an excellent elastic gel. On the other hand, when it exceeds 8000 parts by weight, it becomes soft and it may be difficult to form an excellent elastic gel.
- it may further contain at least one compound selected from the group consisting of hydroxypropylcellulose, polyvinylpyrrolidone, polyvinyl alcohol, carboxymethylcellulose, polyacrylic acid and polyethylene glycol.
- at least one compound selected from the group consisting of hydroxypropylcellulose, polyvinylpyrrolidone, polyvinyl alcohol, carboxymethylcellulose, polyacrylic acid and polyethylene glycol is suitable for improving the mechanical strength of the hyaluronic acid gel and for production stability due to an increase in aqueous solution viscosity.
- the hyaluronic acid gel can be adjusted in hardness by containing an appropriate amount of water as required.
- active ingredients used in cosmetics and pharmaceuticals can be blended within a range that does not affect the purpose and effect of the present invention. It is particularly advantageous for applications as cosmetics and quasi drugs.
- active ingredients that can be blended include whitening ingredients, anti-wrinkle ingredients, anti-inflammatory ingredients, blood circulation promoting ingredients, antibacterial ingredients, anti-pruritic ingredients, various vitamins and derivatives thereof, antioxidant ingredient dyes, and fragrances.
- the whitening component is not particularly limited.
- ascorbic acid phosphate magnesium salt ascorbic acid glucoside and its salts and acylated derivatives, ethyl ascorbic acid, vitamin C derivatives such as ascorbyl palmitate, ⁇ -arbutin, ⁇ - Arbutin, Kojic acid, Placenta extract, Cysteine, Glutathione, Ellagic acid, Lucinol, Tranexamic acid, Baicalein, Adenosine and its sodium phosphate salt, Astaxanthin, Deer anteater, Oil-soluble licorice, Lavender, Lumpuyan, Waremokou, Resveratrol, Ganoderma and their extracts, tinctures or ingredients contained in them.
- moisturizing ingredients include lactic acid, urea, sorbitol, amino acids, acetylglucosamine, and the like.
- the anti-wrinkle component is not particularly limited.
- retinoids such as retinol, retinoic acid, retinol acetate, and retinol palmitate
- ⁇ -hydroxy acids such as citric acid, fruit acid, glycolic acid, and lactic acid
- ⁇ -hydroxy acid cholesterol a compound that has a high degree of retinol
- Rutin sugar derivatives N-methylserine, elastin, collagen, sericin, camellia extract, golden extract, and the like.
- the anti-inflammatory component is not particularly limited. Examples include butcher bloom, maronier, peach leaf, loquat leaf and their extracts, tinctures or components contained in them.
- the blood circulation promoting component is not particularly limited, and examples thereof include vitamin Es, nicotinic acid, nicotinamide, benzyl nicotinate, nicomol, caffeine, capsaicin, vanillyl nonanoate, gingerol, gingerol, and the like.
- Antibacterial components are not particularly limited.
- cationic surfactants such as isopropylmethylphenol, triclosan, triclocarban, trichlorohydroxyphenol, halocarban, benzalkonium chloride, and benzethonium chloride, photosensitizers, zinc oxide, and titanium oxide.
- Chitin, chitosan, hinokitiol and anise are examples of cationic surfactants such as isopropylmethylphenol, triclosan, triclocarban, trichlorohydroxyphenol, halocarban, benzalkonium chloride, and benzethonium chloride.
- the anti-pruritic component is not particularly limited, and examples thereof include diphenhydramine hydrochloride, chlorpheniramine maleate, crotamiton, glycyrrhizic acids, menthol, camphor, rosemary oil, capsaicin, nonanoic acid vanillylamide, dibucaine and the like.
- the vitamins are not particularly limited.
- vitamin B 1 thyamine
- vitamin B 2 riboflavin butyrate ester
- vitamin B 6 fatty acid ester such as pyridoxine dicaprylate and pyridoxine dipalmitate
- vitamin B 12 cobalamin
- vitamin B 13 Vitamin B 14
- Vitamin B 15 pangaminic acid
- folic acid carnitine
- thioctic acid pantotenyl alcohol
- pantotenyl ethyl ether pantothenic acid
- nicotinic acid nicotinamide
- choline inositol
- vitamin C ascorbic acid
- Ascorbyl stearate ascorbyl pantothenate
- vitamin P hesperidin
- aplesia and the like.
- Antioxidant components are not particularly limited.
- polyphenols such as anthocyanins, catechins, green tea polyphenols, apple polyphenols, carotenoids such as ascorbic acid, sodium ascorbate, sodium ascorbate sulfate, ⁇ -carotene, astaxanthin, and tocopherols , Tocopherol acetate, natural vitamin E, tocomonoenol, tocotrienol, ⁇ -diketones such as curcumin, lignans such as sesamin and sesamolin, phenols such as eugenol, and the like.
- the anti-allergic component is not particularly limited, and examples thereof include glycyrrhetic acid derivatives such as glycyrrhetic acid and glycyrrhizic acid 2K, licorice, chlorella, comfrey, button pi, jujube, sage, perilla, mugwort and extracts thereof. Examples include tincture or components contained therein.
- ingredients used in cosmetics and pharmaceuticals can be blended within a range that does not affect the purpose and effect of the present invention. It is particularly advantageous for applications as cosmetics and quasi drugs.
- components that can be blended include a whitening component, an anti-wrinkle component, an anti-inflammatory component, a blood circulation promoting component, an antibacterial component, an anti-pruritic component, various vitamins and derivatives thereof, an antioxidant component pigment, and a fragrance.
- a carbonate such as sodium carbonate or sodium bicarbonate is added, and the pH of the water or lotion is adjusted to 6.5 to It is preferable to adjust to around 7.5.
- the carbonate reacts with the acid in the hyaluronic acid gel sheet to generate carbon dioxide gas.
- the concentration of carbonate to be used in water or lotion is preferably 2 to 20%, more preferably 3 to 7%.
- the hyaluronic acid gel may be a sheet.
- the method for producing the hyaluronic acid gel is not particularly limited, but the hyaluronic acid, the polyvalent carboxylic acid or oxycarboxylic acid, and the polyhydric alcohol are uniformly dissolved in water.
- the hyaluronic acid gel can be produced by drying at least a part of the water so as to achieve the form.
- a step of preparing an aqueous solution in which hyaluronic acid, a polyvalent carboxylic acid or oxycarboxylic acid, and a polyhydric alcohol are uniformly dissolved in water A step of forming a sheet-like hyaluronic acid gel by applying the film so as to have a uniform thickness and then drying it.
- each aqueous solution containing hyaluronic acid, polyvalent carboxylic acid or oxycarboxylic acid, and polyhydric alcohol is stirred and homogenized with a propeller-type rotary stirrer.
- the prepared aqueous solution is applied on a polyethylene terephthalate film so as to have a uniform thickness, and dried with warm air, whereby a sheet-like hyaluronic acid gel having a uniform thickness can be produced.
- the hyaluronic acid gel of the present invention takes advantage of the excellent characteristics inherent in hyaluronic acid.
- Hyaluronic acid gel that does not undergo chemical crosslinking is water-soluble and is particularly useful as a material for use in the cosmetics field.
- the hyaluronic acid and its ingredients penetrate into the skin. Even after washing with a large amount of water, the effects of hyaluronic acid and the ingredients continue to give the skin a moist and smooth feeling. Furthermore, it gives a warm feeling to the skin and gives a pleasant skin sensation.
- hyaluronic acid gel sheet Manufacture of hyaluronic acid gel sheet
- the hyaluronic acid gel sheets of Examples 1 to 29 and Comparative Examples 1 to 9 were prepared according to the blending ratios (weight ratios) shown in Tables 1 and 2 below.
- Tables 1 and 2 the molecular weight of the used hyaluronic acid is shown below the hyaluronic acid column. All of these molecular weights are numerical values shown in purchased products.
- H200 is hyaluronic acid having a molecular weight of about 2 million (HA-LQH, manufactured by Kewpie Co., Ltd.)
- H80 is hyaluronic acid having a molecular weight of about 800,000 (FCH-80, manufactured by Kikkoman Biochemifa Co., Ltd.)
- H10 has a molecular weight of about 5 to 100,000 hyaluronic acid (FCH-SU, manufactured by Kikkoman Biochemifa Co., Ltd.)
- H1 has a molecular weight of about 10,000 hyaluronic acid (Hiaoligo, manufactured by Kewpie Co., Ltd.)
- H0.2 has a molecular weight of about 2000 hyaluronic acid (micro Hyaluronic acid, manufactured by Kikko-Man Biochemifa Co., Ltd.).
- glycerin Concentrated glycerin, manufactured by Miyoshi Oil & Fats Co., Ltd.
- citric acid manufactured by Nacalai Tex Co., Ltd.
- vitamin C derivatives Apressie, manufactured by Showa Denko Co., Ltd.
- tocophenol manufactured by Nakarai Tex Co., Ltd.
- Adenosine manufactured by Nacalai Tex Co., Ltd.
- polyethylene glycol polyethylene glycol 400, manufactured by Wako Pure Chemical Industries, Ltd.
- Each aqueous solution of hyaluronic acid, polyhydric alcohol, polyvalent carboxylic acid or oxycarboxylic acid was prepared by stirring and homogenizing with a propeller-type rotating stirrer.
- tocopherol and adenosine were dissolved in a small amount of ethanol and added.
- the prepared aqueous solution was applied on a 26 ⁇ m thick polyethylene terephthalate film (DIAFOIL # 130-26: manufactured by Mitsubishi Plastics) to a uniform thickness, dried in a gear oven at 80 ° C. for 30 minutes, A 200 ⁇ m hyaluronic acid gel sheet or a non-gelled viscous material was obtained.
- DIAFOIL # 130-26 manufactured by Mitsubishi Plastics
- Solubility test A hyaluronic acid gel sheet (2 cm x 2 cm) was applied to the forearm of a human volunteer, 10 ml of water was added dropwise and massaged on the sheet for 3 minutes, and the solubility of the hyaluronic acid gel was observed.
- A indicates complete dissolution and B indicates partial dissolution.
- a * indicates that the dissolution was fast and dissolved within 30 seconds. Those in which the result of property observation was C or D was not an object of this test in the first place.
- Test samples and administration methods were as follows. Test Example 1: After applying the hyaluronic acid gel sheet (2 cm ⁇ 2 cm) of Example 4 to the forearm for 30 minutes, add about 10 mL of purified water little by little on the gel and dissolve it while massaging for about 3 minutes. Rinse and dry naturally.
- Test Example 2 After applying the hyaluronic acid gel sheet (2 cm ⁇ 2 cm) of Example 17 to the forearm for 30 minutes, add about 10 mL of purified water little by little on the gel and dissolve it while massaging for about 3 minutes, then purified water Rinse and dry naturally.
- Test Example 3 About 1 mL of the aqueous solution before preparing the gel of Example 17 was applied to the forearm (about 2 cm ⁇ 2 cm) for 30 minutes, massaged for about 3 minutes, then rinsed with purified water and allowed to air dry It was.
- Test Example 4 According to the method described in Example 6 of WO01 / 57093, each containing 0.5% hyaluronic acid (HA-LQH: manufactured by Kewpie Co., Ltd.) and hyaluronic acid (hyarooligo: manufactured by Kewpie Co., Ltd.) After a hyaluronic acid gel sheet (2 cm ⁇ 2 cm) prepared using an aqueous solution is administered to the forearm for 30 minutes, about 10 mL of purified water is added little by little on the gel and massaged for about 10 minutes, then washed with purified water, Let dry naturally.
- H-LQH manufactured by Kewpie Co., Ltd.
- hyaluronic acid hyarooligo: manufactured by Kewpie Co., Ltd.
- Example 4 and Example 17 showed an increase in skin moisture equivalent to the aqueous solution before the gel of Example 17 was prepared. Further, in the sensory evaluation of all five human volunteers, the hyaluronic acid gel sheets of Example 4 and Example 17 are easy to handle when administered to the skin, and feel good when administered to the skin. It was superior to the aqueous solution.
- the hyaluronic acid gel sheets of Examples 30 to 36 were prepared according to the blending ratio (weight ratio) shown in Table 5 below.
- An aqueous solution of each component was stirred and homogenized with a propeller-type rotary stirrer.
- the prepared aqueous solution was applied on a polyethylene terephthalate film (DIAFOIL # 130-26: manufactured by Mitsubishi Plastics Co., Ltd.) having a thickness of 26 ⁇ m to a uniform thickness, dried in a gear oven at 80 ° C. for 30 minutes, and a thickness of about 200 ⁇ m.
- the hyaluronic acid gel sheet was obtained. This hyaluronic acid gel sheet was cut to obtain a circular hyaluronic acid gel sheet having a diameter of 20 cm, and a face mask with holes formed in portions corresponding to the eyes and mouth was prepared.
- the hyaluronic acid gel sheets of Comparative Examples 10 and 11 were similarly prepared according to the blending ratio (weight ratio) shown in Table 5.
- the face mask was made in the same way.
- the thickness of this hyaluronic acid gel sheet on the film was 15 ⁇ m and 25 ⁇ m, respectively.
- test lotion was prepared according to the composition ratio (weight ratio) shown in Table 6 below.
- An aqueous solution of each component was prepared by mixing with a propeller-type rotary stirrer.
- Each face mask obtained was applied to the face of a volunteer lying on his back, and the presence or absence of warmth on the applied skin site was evaluated.
- the skin temperature at the application site and the non-application site was measured, and the temperature difference was calculated.
- the skin temperature was measured using a digital thermometer (GT-07).
- test lotion A was used in Examples 30 to 35 and Comparative Examples 10 and 11, and lotion B was used in Example 36.
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Abstract
Description
速やかに溶解するのは、その様に素材が選択されているためである。
本発明において、ヒアルロン酸ゲルはシート状物であってもよい。
実施例1~29及び比較例1~9のヒアルロン酸ゲルシートは、下記の表1及び表2に記載の配合比(重量比)により作成した。表1及び表2において、ヒアルロン酸の欄の下には用いたヒアルロン酸の分子量を示している。この分子量は、いずれも購入商品に示されている数値である。H200は分子量約200万のヒアルロン酸(HA-LQH、キューピー(株)製)、H80は分子量約80万のヒアルロン酸(FCH-80、キッコーマンバイオケミファ(株)製)、H10は分子量約5~10万のヒアルロン酸(FCH-SU、キッコーマンバイオケミファ(株)製)、H1は分子量約1万のヒアルロン酸(ヒアオリゴ、キューピー(株)製)、H0.2は分子量約2000のヒアルロン酸(マイクロヒアルロン酸、キッコ-マンバイオケミファ(株)製)を表す。
上述の製造された実施例1~29、及び比較例1~9で得られたヒアルロン酸ゲルシートを次の3つの観点から評価した。その評価結果を下記の表3にまとめる。
肉眼及び感触により、柔軟性、弾性、引っ張り強度を観察した結果である。
ヒアルロン酸ゲルシート(2cm×2cm)をヒトボランティア前腕内側に適用し、皮膚への密着性を試験した結果を示す。
ヒトボランティアの前腕部にヒアルロン酸ゲルシート(2cm×2cm)を適用し10mlの水を滴下して3分間シート上からマッサージし、ヒアルロン酸ゲルの溶解性を観察した。
性状観察において、Aは柔軟性、弾性及び引張強度がすべて十分であることを、Bは柔軟性及び弾性が不十分であるが引張強度は十分であることを、Cは柔軟性及び弾性は十分であるが引張強度が不十分であることを、Dは液体であって柔軟性、弾性及び引張強度が全て不可であることを表す。
ヒトボランティア5名の前腕の同一部位に朝夜2回、計7日間、以下の4つの被験サンプルを投与し、投与終了1日後(投与開始から8日後)の肌水分量についてキュートメーター(MPA580)を用いて測定した。測定結果を静電容量(単位;a.u.)として表示した。また、コントロールとして、投与前の肌水分量も測定した。投与前と比較した静電容量増加量(=水分増加量)の結果を表4にまとめた。結果は、5名の被験者の結果の平均値とその標準偏差(SD)で表示している。
試験例1: 実施例4のヒアルロン酸ゲルシート(2cm×2cm)を前腕部に30分適用後、ゲルの上に精製水約10mLを少しずつ加えて約3分間マッサージしながら溶かしたのち、精製水で洗い流して、自然乾燥させた。
実施例30~36のヒアルロン酸ゲルシートは下記表5に記載の配合比(重量比)により作成した。各構成成分の水溶液をプロペラ式回転型攪拌装置で攪拌均一化し調製した。調製した水溶液を厚さ26μmのポリエチレンテレフタレートフィルム(DIAFOIL♯130-26:三菱樹脂(株)製)上に均一の厚みとなるよう塗布し、ギアオーブンで80℃、30分間乾燥し、厚み約200μmのヒアルロン酸ゲルシートを得た。本ヒアルロン酸ゲルシートを切断して、直径20cmの円形のヒアルロン酸ゲルシートを得、目と口に対応する部分に穴を開けたフェイスマスクを作成した。
Claims (12)
- ヒアルロン酸と、多価カルボン酸又はオキシカルボン酸と、多価アルコールとを含む、ヒアルロン酸ゲル。
- 前記ヒアルロン酸100重量部に対し、前記多価カルボン酸又はオキシカルボン酸を10~100重量部、前記多価アルコールを100~8000重量部の割合で含有している、請求項1に記載のヒアルロン酸ゲル。
- 前記ヒアルロン酸の分子量が、約5×104~約5×106ダルトンの範囲である、請求項1又は2に記載のヒアルロン酸ゲル。
- 前記ヒアルロン酸が、分子量が5×104~5×106ダルトンの範囲であるヒアルロン酸と、分子量が2×104ダルトン以下のヒアルロン酸との混合物であり、
前記混合物全量に対し、前記分子量が2×104ダルトン以下のヒアルロン酸を、10重量%以上の割合で含有する、請求項1又は2に記載のヒアルロン酸ゲル。 - 前記多価カルボン酸又はオキシカルボン酸が、クエン酸、酒石酸及び乳酸からなる群より選ばれた少なくとも1種以上のカルボン酸である、請求項1~4のいずれか1項に記載のヒアルロン酸ゲル。
- 前記多価アルコールが、グリセリンである、請求項1~5のいずれか1項に記載のヒアルロン酸ゲル。
- さらに、ヒドロキシプロピルセルロース、ポリビ二ルピロリドン、ポリビニルアルコール、カルボキシメチルセルロース、ポリアクリル酸及びポリエチレングリコールからなる群より選ばれた少なくとも1種以上の化合物を含む、請求項1~6のいずれか1項に記載のヒアルロン酸ゲル。
- さらに、化粧品や医薬品に用いられている有効成分を含む、請求項1~7のいずれか1項に記載のヒアルロン酸ゲル。
- シート状物である、請求項1~8のいずれか1項に記載のヒアルロン酸ゲル。
- 厚さが30μm以上、1mm以下である、請求項9に記載のヒアルロン酸ゲル。
- ヒアルロン酸と、多価カルボン酸又はオキシカルボン酸と、多価アルコールとを水に均一に溶解させることにより、水溶液を作製する工程と、水分の少なくとも一部を蒸散させてヒアルロン酸ゲルを形成する工程とを備える、ヒアルロン酸ゲルの製造方法。
- ヒアルロン酸と、多価カルボン酸又はオキシカルボン酸と、多価アルコールとを水に均一に溶解させた水溶液を準備する工程と、フィルム状に均一の厚みになるように塗布し、乾燥することによりシート状のヒアルロン酸ゲルを形成する工程とを備える、ヒアルロン酸ゲルの製造方法。
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Also Published As
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US20150272850A1 (en) | 2015-10-01 |
KR102098427B1 (ko) | 2020-04-07 |
CN104717960A (zh) | 2015-06-17 |
CA2887988C (en) | 2020-10-27 |
JP2014024828A (ja) | 2014-02-06 |
ES2705495T3 (es) | 2019-03-25 |
EP2910238A4 (en) | 2016-05-25 |
CN110339087A (zh) | 2019-10-18 |
EP2910238A1 (en) | 2015-08-26 |
JP2015187184A (ja) | 2015-10-29 |
EP2910238B1 (en) | 2018-10-31 |
AU2013333184B2 (en) | 2018-03-01 |
JP6064004B2 (ja) | 2017-01-18 |
CN110384624A (zh) | 2019-10-29 |
JP5840107B2 (ja) | 2016-01-06 |
CA2887988A1 (en) | 2014-04-24 |
AU2013333184A1 (en) | 2015-04-23 |
US9855206B2 (en) | 2018-01-02 |
KR20150070159A (ko) | 2015-06-24 |
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