JP2001261547A - Cosmetic - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cosmetic excellent in tightening effect of skin and effect on retention of make-up lasting quality. SOLUTION: This cosmetic is formulating squeezed filtrate and/or extract of cranberry fruit mainly composed of anthocyanin polymer with water-insoluble oil-absorbing power.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cosmetic comprising a novel skin tightening agent having an excellent skin tightening effect and an oil-absorbing powder. More specifically, by blending a skin tightening agent consisting of a pressed and filtered extract and / or an extract of cranberry fruit, which is a natural ingredient and has an excellent skin tightening effect, with an oil-absorbing powder, the makeup lasting (cosmetic) The present invention relates to a cosmetic having excellent mochi effects.

[0002]

2. Description of the Related Art Cranberries (Vaccinium m.)
(acrocarpon) is a red-fruited plant that is commonly produced in the United States and is a member of the Japanese name "Tsuruko-kemo". The extract of cranberry has an effect as a therapeutic agent for urinary tract infection, and its application as a whitening agent containing caffeic acid glycoside derived from cranberry or the like as disclosed in JP-A-5-201846. The utility in various fields such as a method for obtaining proanthocyanidins from cranberries as disclosed in JP-A-222484 is known. However, it has not been found that cranberry has a skin tightening effect and that it is effective for cosmetics.

[0003]

On the other hand, components such as green tea and oyster tannin are used as those having a skin tightening effect. However, although these components can provide a feeling of skin, they often have a problem in stability in a formulation, and there is a problem that it is difficult to use. In addition, depending on the type of plant, there were cases where there was concern about the supply side.

[0004]

Means for Solving the Problems The inventors of the present invention have searched for squeezed filtrates and extracts of various plants that can realize the effect of tightening the skin. as a result,
Coincidentally, it has been found that the cranberry squeezed filtrate and extract have a skin tightening effect, and that the squeezed liquid and extract have excellent stability. Furthermore, when purifying and separating the cranberry pressed filtrate or extract, it was found that a stronger feeling of tightening of the skin was obtained. In addition, cranberries are widely used as a food material, and have the advantage that there is no concern about the supply amount. Further, they have found that when the skin tightening agent and the oil-absorbing powder are used in combination, the cosmetic lasting effect is improved, and a cosmetic having an excellent lasting effect is obtained. Further, when the purified product was examined, it was found that the essence of the product was a polymer having a molecular weight of 30,000 or more, which was superior in safety compared to a low-molecular-weight phenol compound which is a known tightening component.

[0005] That is, a first aspect of the present invention is a cosmetic composition comprising a press-filtered product and / or an extract of cranberry fruit mainly composed of an anthocyanin polymer and a water-insoluble oil-absorbing powder.

A second aspect of the present invention is the above-mentioned cosmetic, characterized in that the pressed and / or extracted cranberry fruit is further obtained by a gel filtration method or an ultrafiltration method. In the fee.

A third aspect of the present invention is the above-mentioned cosmetic, wherein the molecular weight of the anthocyanin polymer is 30,000 or more.

According to a fourth aspect of the present invention, the oil-absorbing powder is a water-insoluble powder selected from organopolysiloxane elastomer spherical powder, silicic anhydride, polyvalent metal alginate, and polyacrylic acid-based powder. A feature of the above-mentioned cosmetic.

A fifth aspect of the present invention relates to the above-mentioned cosmetic, characterized in that the filtered and / or extracted cranberry fruit is mixed with a water-insoluble oil-absorbing powder and a water-repellent powder. is there.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Cranberry (V) used in the present invention
(accinium macrocarpon) is a member of the Japanese name "tsurukokemo" of the azalea family. In the present invention, a cranberry fruit press filtered product is used.The pressed filter product is a juice obtained by crushing and pressing cranberry fruit, or a concentrate thereof. In order to reduce the viscosity of pectin, it is preferable to perform a pectin inactivation treatment. In addition, as an extract of cranberry fruit, cranberry fruit can be obtained by using water, 1,3-butylene glycol, propylene glycol, glycerin,
Polyhydric alcohols such as diglycerin, ethanol, isopropyl alcohol, lower alcohols such as propyl alcohol, solvents such as acetone, their mixed solvents, preferably water, polyhydric alcohols, lower alcohols, their mixed solvents, more preferably, It is an extract obtained by extraction with water such as warm water or hot water, and a concentrate thereof. Examples of the form of the extract include an extract containing a solvent, a solvent-removed product, and the like. In the present invention, it is preferable to use a press-filtrate because the production of the raw material is easy and economical.

The cranberry fruit pressed filtrate or extract used in the present invention may cause a problem of fading due to light depending on the production conditions. Further, it is preferably purified by a gel filtration method or an ultrafiltration method. As the degree of purification, the content of anthocyanidins in the purified product is reduced to less than 0.5% by mass, preferably less than 0.1% by mass, based on the mass of the purified product having properties to be incorporated into the cosmetic. Preferably. The purified cranberry contains mainly an anthocyanin polymer, and the molecular weight of the polymer is preferably 30,000 or more. It is considered that these components have a skin tightening effect.

As a method for measuring the anthocyanidin content, the following methods can be used. 2g sample
Is taken accurately, 60 mL of 2% methanolic hydrochloric acid is added, and the mixture is heated under reflux on a water bath for 30 minutes, and then cooled. This is 2
% Hydrochloric acid methanol is added to make exactly 100 mL, and the mixture is filtered with filter paper to obtain a test solution. The absorbance at the maximum absorption portion at a wavelength of about 530 nm to 550 nm is measured using 2% hydrochloric acid methanol as a control, and is determined by the following equation. Anthocyanidin content (% by mass) = {absorbance x dilution ratio (100) / sampled amount (g)} x {1/76000} x 100

Hereinafter, a method for purifying a pressed filtered cranberry fruit extract or extract used in the present invention will be described. A method for purifying cranberry fruit squeezed filtrate, or extract, is as follows:
Preferably, an ultrafiltration method and a gel filtration method are used. As the membrane used in the ultrafiltration method, a membrane having a cut-off molecular weight of 5,000 to 500,000 is useful, but a membrane having a cut-off molecular weight of 10,000 to 100,000 can obtain good results. Examples of the material of the film include polyethersulfone and regenerated cellulose, and polyethersulfone is preferable. As a filtration method, there are a pressure filtration method using a pump or a centrifuge, a suction filtration method, and the like, but any method may be used.

Examples of the gel used in the gel filtration method include Sephadex, Sepharose (Amersham Pharmacia), Toyopearl (Tosoh), and Biogel (Biorat). In addition, various buffers, aqueous organic solvents (methanol, ethanol,
Acetone, acetonitrile, etc.) can be used.

[0015] In the cosmetic of the present invention, the blended amount of cranberry fruit press-filtered product and extract (in terms of pure content excluding solvent)
Is preferably 0.001 to 99.9% by mass, more preferably 0.005% by mass of the cosmetic.
１５15% by mass. The resulting cranberry fruit squeezed filtrate and extract are highly effective in tightening the skin, and after applying it to the skin, smoothen the texture of the skin,
It can give skin firmness.

The oil-absorbing powder referred to in the present invention refers to a water-insoluble powder having an oil-absorbing amount capable of absorbing squalane by 30% by mass or more of its own weight. For example, organopolysiloxane elastomer spherical powder (Dow Corning Toray)
Silicone Trefil E-505, 506, 50
7, 508 and the like. ), Spherical silica (silica beads), spherical polyorganosilsesquioxane (G
E Toshiba Silicone's Tospearl series. ), Powders of polyvalent metal salts of alginic acid (magnesium salts, calcium salts, aluminum salts) (particularly preferably spherical powders), and powders of polymers containing polyacrylic acid or acrylic acid esters (polyacrylic acid-based powders, Chemdal) Polypore series manufactured by Co., Ltd.), and especially, organopolysiloxane elastomer spherical powder, silicic anhydride, algin polyvalent metal salt,
It is preferable to be selected from polyacrylic acid-based powder.

The oil-absorbing powder used in the present invention may or may not have been subjected to conventionally known various surface treatments.
Moreover, in order to make it easy to mix in a cosmetic, it may be kneaded with an oil agent or finely pulverized in advance. The amount of the oil-absorbing powder used in the present invention in the cosmetic is preferably 0.1 to 70% by mass, more preferably 0.5 to 50% by mass, based on the cosmetic.

The cosmetic of the present invention includes, in addition to the above-mentioned components, oils and powders (pigments, dyes, resins) other than oil-supplying powders, fluorine compounds, resins, surfactants which are usually used in cosmetics. , Viscous agent, preservative, fragrance, ultraviolet absorber (including organic type and inorganic type, may correspond to any of UV-A and B), humectant, salt, solvent, antioxidant, chelate Ingredients such as an agent, a neutralizing agent, a pH adjuster, and an insect repellent can be used.

Examples of the above-mentioned powders are powders other than water-insoluble oil-absorbing powders.
Red 226, Red 201, Red 202, Yellow 4
No. 401, black No. 401, etc., blue No. 1 aluminum lake, yellow No. 4 aluminum lake, yellow No. 5 aluminum lake, yellow No. 203 barium lake and other lake dyes, nylon powder, silk powder, polyurethane powder, Teflon (trademark) Powder, cellulose powder, polymers such as polyethylene powder, yellow iron oxide, red iron oxide, black iron oxide, chromium oxide, carbon black, ultramarine,
Colored pigments such as navy blue, white pigments such as zinc oxide, titanium oxide and cerium oxide, extender pigments such as talc, mica, sericite, kaolin and barium sulfate, pearl pigments such as titanium mica, barium sulfate, calcium carbonate, Examples include metal salts such as magnesium carbonate, aluminum silicate and magnesium silicate, inorganic powders such as alumina, bentonite, smectite, boron nitride, fine titanium oxide, fine zinc oxide and the like. The shape of these powders (spherical, rod-like, needle-like, plate-like, irregular, scaly, spindle-like, etc.) is not particularly limited, but a spherical powder that is rich in touch is preferred. The size of the powder is preferably in the range of 5 nm to 100 μm, more preferably 10 nm to 25 μm.

These powders are preferably further subjected to a surface treatment. Examples of the surface treatment include treatment with a fluorine compound such as perfluoroalkyl phosphate, and treatment with an N-lauroyl-L-lysine (Amihopo LL manufactured by Ajinomoto).
-Acylated amino acid treatment, metal soap treatment such as aluminum stearate, metal oxide treatment such as alumina, silica, titania, zinc oxide, silicone treatment such as methyl hydrogen polysiloxane and acrylic silicone, silane such as alkylalkoxysilane, etc. Water repellency treatment such as treatment with titanate, oil treatment with wax or squalane oil, resin treatment with polythymel methacrylate, etc .; cosmetic treatment such as resin treatment with fluorinated acrylic resin, etc .; A known surface treatment can be used. The surface treatment can be performed by a dry method, a wet method (solvent-based, water-based, mixed system), a mechanochemical method, or the like.
Of these, the combination of each of the above components with a water-repellent powder is particularly preferred since the makeup durability can be further improved. When blending the water-repellent powder, the blending amount is 0.5 to
95 mass% is preferred.

Examples of organic UV absorbers include, for example, 2-ethylhexyl paramethoxycinnamate, 2-ethylhexyl paradimethylaminobenzoate, 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-
4-methoxybenzophenone-5-sulfuric acid, 2,2'-dihydroxy-4-methoxybenzophenone, p-methoxyhydrocinnamic acid diethanolamine salt, paraaminobenzoic acid (hereinafter abbreviated as PABA), homomenthyl salicylate, methyl-O-amino Benzoate, 2-ethylhexyl-2-cyano-3,3-diphenyl acrylate, octyl dimethyl PABA, octyl salicylate, 2-phenyl-benzimidazole-5-sulfate, triethanolamine salicylate, 3- (4-methylbenzylidene) camphor; 2,4-dihydroxybenzophenine, 2,2 ′, 4,4′-tetrahydroxybenzophenone, 2,2′-dihydroxy-4,4′-dimethoxybenzophenone, 2-hydroxy-4-N-octoxybenzophenone, 4-iso B pills dibenzoylmethane, butyl methoxydibenzoylmethane, 4- (3,4
-Dimethoxyphenylmethylene) -2,5-dioxo-
2-ethylhexyl 1-imidazolidinepropionate and the like. The amount of these ultraviolet absorbers is preferably in the range of 0 to 10% by mass based on the cosmetic.

Examples of the oil include volatile and non-volatile oils, solvents and resins commonly used in cosmetics, and may be liquids, pastes or solids at room temperature, but liquids excellent in handling are preferred. Examples of oils include higher alcohols such as cetyl alcohol, isostearyl alcohol, lauryl alcohol, hexadecyl alcohol, octyl dodecanol, isostearic acid, undecylenic acid, fatty acids such as oleic acid,
Polyhydric alcohols such as glycerin, sorbitol, ethylene glycol, propylene glycol and polyethylene glycol, myristyl myristate, hexyl laurate, decyl oleate, isopropyl myristate, hexyldecyl dimethyloctanoate, glyceryl monostearate, diethyl phthalate, mono Esters such as ethylene glycol stearate and octyl oxystearate, hydrocarbons such as liquid paraffin, petrolatum and squalane, waxes such as lanolin, reduced lanolin and carnauba wax, mink oil, cacao butter, coconut oil, palm kernel oil and camellia oil And oils such as sesame oil, castor oil and olive oil, and ethylene / α-olefin / co-oligomer.

Examples of other forms of oils include dimethylpolysiloxane, methylhydrogenpolysiloxane, methylphenylpolysiloxane, polyether-modified organopolysiloxane, and fluoroalkyl.
Polyoxyalkylene co-modified organopolysiloxane,
Alkyl-modified organopolysiloxane, terminal-modified organopolysiloxane, fluorine-modified organopolysiloxane, amodimethicone, amino-modified organopolysiloxane, silicone compound such as silicone gel, silicone RTV rubber, perfluoropolyether, pitch fluoride, fluorocarbon, fluoroalcohol And the like. In particular, fluorine-based compounds are preferable because they have an excellent effect of improving long-lasting makeup.

Examples of the solvent include purified water, cyclic silicone, ethanol, light liquid isoparaffin, lower alcohol, ethers, LPG, fluorocarbon, N-methylpyrrolidone, fluoroalcohol, volatile linear silicone, branched volatile Silicone, next-generation chlorofluorocarbon and the like can be mentioned.

Examples of the surfactant include anionic surfactants, cationic surfactants, nonionic surfactants, and amphoteric surfactants. More specifically, fatty acid soap, α-acyl sulfonate, alkyl sulfonate, alkyl allyl sulfonate, alkyl naphthalene sulfonate, alkyl sulfate, alkyl ether sulfate, alkylamide sulfate, alkyl phosphate, alkyl Amidophosphate, alkylloylalkyltaurate, N-acylamino acid salt, sulfosuccinate,
Anionic surfactants such as perfluoroalkyl phosphates, alkyltrimethylammonium chloride, stearyltrimethylammonium chloride, stearyltrimethylammonium bromide, cetostearyltrimethylammonium chloride, distearyldimethylammonium chloride, stearyldimethylbenzylammonium chloride, bromide Nonionic surfactants such as cationic surfactants such as behenyltrimethylammonium, alkanolamide laurate, POE sorbitan fatty acid ester, POE glycerin fatty acid ester, POE fatty acid ester, polyether-modified silicone, carboxybetaine type,
Amidobetaine type, sulfobetaine type, hydroxysulfobetaine type, amidosulfobetaine type, phosphobetaine type, aminocarboxylate type, imidazoline derivative type,
Amidoamine type and other amphoteric surfactants are exemplified. In addition, natural surfactants such as saponins and sugar surfactants can also be used.

Examples of the tackifier and resin include sodium polyacrylate, cellulose ether, calcium alginate, carboxyvinyl polymer, ethylene / acrylic acid copolymer, vinylpyrrolidone polymer, vinyl alcohol / vinylpyrrolidone copolymer, nitrogen Substituted acrylamide polymer, polyacrylamide, cationic polymer such as cationized guar gum, dimethylacrylammonium polymer, acrylic acid methacrylate acrylic copolymer, POE / POP copolymer, polyvinyl alcohol, pullulan, agar, gelatin, tamarind seed Polysaccharides, xanthan gum, carrageenan, high methoxyl pectin, low methoxyl pectin, guar gum, gum arabic, crystalline cellulose, arabinogalactan, karaya gum, tragacanth Arm, alginic acid, albumin, casein, curdlan, gellan gum, dextran, cellulose, polyethyleneimine, highly polymerized polyethylene glycol, cationized silicone polymer, synthetic latex, acryl silicone, trimethylsiloxy silicate,
Fluorinated silicone resins and the like can be mentioned.

Examples of the physiologically active ingredient include substances that give some physiological activity to the skin when applied to the skin. For example, anti-inflammatory agent, anti-aging agent, ultraviolet ray protective agent, tightening agent, antioxidant, hair growth agent, hair restorer, humectant, blood circulation promoter, antibacterial agent, bactericide, desiccant, cooling sensation agent, warm feeling Agents, vitamins, amino acids, wound healing promoters, stimulants, analgesics, cell activators, enzyme components and the like. Among them, natural plant extract components, seaweed extract components, and crude drug components are particularly preferable. In the present invention, these physiologically active components are
It is preferable to mix one or more species.

Examples of these components include, for example, Ashitaba extract, Avocado extract, Amacha extract, Altea extract, Arnica extract, Aloe extract, Apricot extract, Apricot kernel extract, Ginkgo extract, Fennel extract, Turmeric extract, Oolong tea extract, Eijitsu Extracts, Echinashi leaf extract, oak extract, oak extract, spinach extract, barley extract, hypericum extract, scotch extract, Dutch mustard extract, orange extract, seawater dried product, seaweed extract, hydrolyzed elastin, hydrolyzed wheat powder, hydrolyzed silk , Chamomile extract, carrot extract, sagebrush extract, licorice extract, calcade extract, syllium extract, kiwi extract, kina extract, cucumber extract, guanosine,
Gardenia extract, Kumazasa extract, Clara extract, Walnut extract, Grapefruit extract, Clematis extract, Chlorella extract, Mulberry extract, Gentian extract,
Black tea extract, yeast extract, burdock extract, rice bran extract, rice germ oil, comfrey extract, collagen,
Cowberry extract, Saishin extract, Psychoextract, Saitai extract, Salvia extract, Sabonso extract, Sasa extract, Hawthorn extract, Sansho extract, Shiitake extract, Jio extract, Shikon extract, Perilla extract, Shinanoki extract, Shimotsukeiso extract, Peony extract, Shobu root extract , Birch extract, horsetail extract, vegetative extract, hawthorn extract,
Western elderberry extract, Achillea millefolium extract, Common mint extract, Sage extract, Genus mallow extract, Senkyu extract, Assembly extract, Soybean extract, Tissou extract, Thyme extract, Tea extract, Clove extract, Chigaya extract, Chimpanzee extract, Touki extract, Calendula extract, Tonin extract , Spruce extract, dokudami extract, tomato extract, natto extract, carrot extract, garlic extract, nobara extract, hibiscus extract, Bacmondou extract, lotus extract, parsley extract, honey, hamamelis extract, pallietaria extract, lyeme extract, bisabolol, loquat extract, Coltsfoot extract, butterbur extract, boukuro extract, butcher bloom extract, grape extract, propolis, loofah extract Safflower extract, peppermint extract, bodaiju extract, button extract, hop extract, pine extract, marronie extract, mugwort extract, mukuroji extract, melissa extract, peach extract, cornflower extract, eucalyptus extract, yukinoshita extract, yuzu extract, yokuninin, mugwort extract, lavender extract , Apple extract, lettuce extract, lemon extract, astragalus extract, rose extract, rosemary extract, roman chamomile extract, royal jelly extract and the like.

Also, biopolymers such as deoxyribonucleic acid, mucopolysaccharides, sodium hyaluronate, sodium chondroitin sulfate, collagen, elastin, chitin, chitosan, hydrolyzed eggshell membranes, amino acids, sodium lactate, urea, sodium pyrrolidonecarboxylate; Moisturizing ingredients such as betaine and whey, sphingolipids, ceramides, cholesterol, cholesterol derivatives, oily ingredients such as phospholipids, ε-aminocaproic acid, glycyrrhizic acid, β-glycyrrhetinic acid, anti-inflammatory agents such as lysozyme chloride, guaiazulene, hydrocortisone, Vitamins A, B2, B6, C, D, E, calcium pantothenate, vitamins such as biotin, nicotinamide, vitamin C ester, allantoin, diisopropylamine dichloroacetate, 4-amido Active ingredients such as nomethylcyclohexanecarboxylic acid, antioxidants such as tocopherol, carotenoids, flavonoids, tannins, lignans, saponins, cell activators such as α-hydroxy acids and β-hydroxy acids, γ-oryzanol, vitamin E derivatives, etc. Blood circulation promoters, retinol, wound healing agents such as retinol derivatives, cepharanthin, licorice extract, pepper tincture, hinokitiol, garlic iodide extract, pyridoxine hydrochloride, dl-α-tocopherol, dl-acetate
α-tocopherol, nicotinic acid, nicotinic acid derivatives,
Calcium pantothenate, D-pantothenyl alcohol, acetyl pantothenyl ethyl ether, biotin,
Allantoin, isopropylmethylphenol, estradiol, ethinylesteradiol, capronium chloride, benzalkonium chloride, diphenhydramine hydrochloride, tacanal, camphor, salicylic acid, vanillyl nonylate, vanillyl nonanoate, pyrocton olamine, glyceryl pentadecanoate, l-menthol, Mononitroguaiacol, resorcinol, γ-aminobutyric acid,
Benzethonium chloride, mexiletine hydrochloride, auxin,
Female hormones, tincture tincture, cyclosporine, zinc pyrithione, hydrocortisone, minoxidil, polyoxyethylene sorbitan monostearate, peppermint oil, hair growth agents such as sasanishiki extract and the like.

The cosmetics of the present invention include makeup cosmetics such as foundation, cheek color, blusher, concealer, eyeshadow, eyeliner and eyebrow, and basic cosmetics such as creams, milky lotions, sunscreens, and makeup bases. And the like.

[0031]

The present invention will be described below in more detail with reference to Examples and Comparative Examples.

Production Example 1 An undiluted juice obtained by squeezing and filtering cranberry fruit (Manufacturer: MILNE FRUIT PRODUCT, USA)
(Company S, trade name: cranberry concentrate) is purified by ultrafiltration. That is, 10 kg of undiluted cranberry juice was added to Sartorius Sartcon Slice P
Fractionation was carried out using SU-30K (fraction molecular weight 30,000) by pressurization with a pump. 400 g of concentrate is 10
A low-molecular-weight component was removed by washing by adding 400 g of a 5% ethanol solution five times. 1600 g of 10% ethanol was added to the obtained purified cranberry concentrate to obtain a purified cranberry extract. When the anthocyanidin content of this purified cranberry extract was tested by the method described above, 0.0
1% by mass, and the polyphenol content is 0.2%.
% By mass, and the dry residue amount was 2.1% by mass. Further, as a result of analysis under the following conditions by high performance liquid chromatography, no peak of caffeic acid glycoside was detected.

[Analytical Method of Caffeic Acid Glycoside] Conditions for High Performance Liquid Chromatography Apparatus: Waters Co., Ltd. Column: Puresil C18 4.6 × 150 mm (Waters Co., Ltd.) Mobile phase: A (0.5%) Phosphoric acid aqueous solution) B (phosphoric acid 5 parts + water 295 parts + acetonitrile 700)
Part) B 10% → 100% (30 minutes) Gradient Flow rate: 0.7 mL / min Detector: 996 photodiode array, detection wavelength 20
0 nm to 600 nm

Further, in order to clarify the difference between the purified cranberry extract and the known proanthocyanidins described in Japanese Patent No. 2528087 and the like, the following confirmation experiments were carried out.

The UV-Vis spectrum (FIG. 1) of a diluted solution of the purified cranberry extract in citrate buffer (pH 3.0) confirmed that it had a maximum absorption at 510 to 520 nm. The property of having an absorption maximum around 520 nm in an acidic solution is a characteristic property of anthocyanins. Confirmation test of anthocyanin Citrate buffer of purified cranberry extract (pH 3.
0) The solution (1 + 100) exhibited a red to dark blue color. When the solution was made alkaline by adding a sodium hydroxide solution (1 + 25) to the solution, it was confirmed that the solution was anthocyanin. From the HPLC chart, it was confirmed that most of the constituents were polymers. (FIG. 2) [HPLC analysis conditions] Apparatus: Waters Co., Ltd. Column: SymmetrySild RP18 5μ
m, 4.6 × 150 mm (manufactured by Waters) Mobile phase: A phosphoric acid 5 acetonitrile 100 water 895 B phosphoric acid 5 water 295 acetonitrile 700 A 100% → B 100% (30 minutes) Linear gradient Flow rate: 0.7 mL / min detection 996 photodiode array, detection wavelength 20
0 nm to 600 nm

According to Japanese Patent No. 2528087, proanthocyanidin is flavan-3-
It contains at least one member selected from the group consisting of dimers and octamers combined with all or flavan-3,4-diol as a constituent unit, such as conker shells, cranberry (cranberry) and barley. Of various plant bodies as a raw material using a solvent, and the extract is fractionated and purified by liquid chromatography or the like, or is treated with a selective adsorbent of procyanidin to concentrate the proanthocyanidin fraction. Is stipulated.

[0037]

Embedded image

Considering the chemical structure of flavan-3,4-diol, the molecular weight of flavan-3,4-diol is 306, and proanthocyanidin is a 2- to 10-mer of flavan-3,4-diol. As a result, the molecular weight was found to be 5000 or less. From these points, it is considered that purified cranberry extract is a compound mainly composed of an anthocyanin polymer having a molecular weight of 30,000 or more, while proanthocyanidin is a compound having a molecular weight of 5,000 or less flavan-3,4-diol or flavan-3-ol. Since it is known that the extract is a condensed tannin as a structural unit, it was found that the extract of the present invention was an anthocyanin polymer, not a known proanthocyanidin, and did not contain proanthocyanidin.

Next, evaluation methods for various properties of the cosmetics of the examples and comparative examples are shown below.

[Evaluation of Skin Usefulness] Ten professional panelists used the cosmetics continuously and evaluated the evaluation items “no oil floating on the skin” and “cosmetic persistence” according to the evaluation criteria shown in Table 1. The evaluation was performed using the total score of all panelists.
Therefore, the higher the score, the higher the usefulness for the evaluation item is shown (full score: 50 points).

[0041]

Example 1 A foundation was obtained using the above purified cranberry extract according to the formulation shown in Table 2. The unit of the compounding amount is mass% (the same applies hereinafter). Fluorinated powder (pigment)
Used was a 5% by mass perfluoroalkyl phosphate ester treated product. Further, as the kneaded product of organopolysiloxane elastomer / dimethylpolysiloxane, one having an organopolysiloxane elastomer concentration of 40% by mass was used. The unit is mass%. Note that Trefil E-507 manufactured by Dow Corning Toray Silicone Co., Ltd. was used as the organopolysiloxane elastomer.

(Table 2) Compounding component Compounding amount (%) ---------------------------------- ------------------------------- Component A Silicon-treated fine particle zinc oxide 3 Fluorine-treated spherical titanium oxide (average particle size 0.1 3 μm) 10 Fluorinated iron oxide (iron oxide yellow, red iron oxide, black iron oxide) 4.5 Fluorinated sericite residue Fluorinated talc 20 Component B Purified cranberry extract 1.1 Dipropylene glycol 0.4 Component C Organopolysiloxane Elastomer / Dimethyl poly 10 Siloxane kneaded material Perfluoroalkyl polyoxyalkylene Co-modified silicone (HLB = 1.1) 3 Organic UV absorber (Parasol MCX) 2 Isononyl isononanoate 0.5 Preservative

Components A and C were mixed using a mixer. While stirring the mixed component A, the component B was mixed and stirred well. Then, the mixed component B was slowly dropped thereon. After further mixing using a mixer, the mixture was pulverized using an atomizer, passed through a mesh, and then punched into a metal plate using a mold to obtain a fantation.

Comparative Example 1 A foundation was obtained in the same manner as in Example 1 except that the same amount of purified water was used instead of the purified cranberry extract of Example 1.

Comparative Example 2 In the same manner as in Example 1 except that the same amount of talc was used in place of the untreated powder and organopolysiloxane elastomer in place of the silicone-treated powder and the fluorine-treated powder of Example 1, And got a foundation.

Table 3 shows the evaluation results of Example 1 and Comparative Examples 1 and 2.

[0048]

From the results shown in Table 3, it can be seen that Example 1 of the present invention is superior to Comparative Examples in the effect of reducing oil floating on the skin due to the tightening action of the skin and the effect of maintaining makeup (make-up). It turns out that there is.

[0050]

From the above, it can be seen that the present invention blends a water-insoluble oil-absorbing powder with a pressed extract and / or an extract of cranberry fruit, which is a natural ingredient and has an excellent skin tightening effect. By doing so, it is clear that a cosmetic that is excellent in skin tightening effect and cosmetic persistence effect is provided.

[Brief description of the drawings]

FIG. 1: Citrate buffer of purified cranberry extract (p
H3.0) is a UV-Vis spectrum diagram of a diluted solution.

FIG. 2 is an HPLC chart of a purified cranberry extract.

Claims (5)

[Claims] 1. A cosmetic composition comprising a press-filtered product and / or an extract of cranberry fruit mainly composed of an anthocyanin polymer and a water-insoluble oil-absorbing powder. 2. The method according to claim 1, wherein the pressed and / or extracted cranberry fruit is further obtained by a gel filtration method or an ultrafiltration method.
The cosmetic according to any one of the above. 3. The molecular weight of the anthocyanin polymer is 300.
The cosmetic according to claim 1, wherein the cosmetic content is not less than 00. 4. The oil-absorbing powder is a water-insoluble powder selected from polyorganopolysiloxane elastomer spherical powder, silicic anhydride, polyvalent metal alginate, and polyacrylic acid-based powder. Item 7. The cosmetic according to item 1. 5. The method according to claim 1, wherein the pressed and / or extracted extract of cranberry fruit according to claim 1 is mixed with a water-insoluble oil-absorbing powder and a water-repellent powder. The cosmetic described.