JP2008115098A - Humectant for skin and skin care preparation - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a humectant for skin and a skin care preparation, capable of readily and remarkably enhancing a skin moisturizing effect. <P>SOLUTION: The skin moisturizing agent contains a red wine yeast extract as an effective ingredient, and further contains first and second ingredients as effective ingredients. The skin care preparation contains a red wine yeast extract as an effective ingredient, and further contains first and second ingredients as effective ingredients. The first ingredient is at least one selected from a Prunus spp. extract, a carrot extract, a rose extract, a Rubus Ellipiticus Root Extract, an Equisetum arvense extract, a Perilla frutescens seed extract and a grape seed extract. The second ingredient is at least one of hydrolyzed algin and a Perilla frutescens extract. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a skin moisturizer and a skin external preparation.

Known skin external preparations contain a moisturizing component, an antioxidant component, an anti-inflammatory component, and the like, thereby suppressing or improving troubles occurring in the skin. For example, red wine yeast extract is known as a moisturizing component (see Patent Documents 1 to 3). As an antioxidant component, for example, cherry extract (see patent documents 4 and 5), rose extract (see patent documents 6 and 7), perilla extract (see patent document 8), carrot extract (see patent document 9), sugi extract (patent document) 10) is known.
JP 2000-191494 A Japanese Patent Application Laid-Open No. 2002-193782 Japanese Patent Laid-Open No. 11-158054 JP-A-56-113284 JP-A-8-245409 Japanese Patent Laid-Open No. 3-56585 JP-A-7-309770 Japanese Patent Laid-Open No. 11-279069 JP 2001-220340 A JP 2003-171310 A

  The present invention has been made by finding a component that synergistically enhances the skin moisturizing action of red wine yeast extract. An object of the present invention is to provide a skin moisturizing agent and a skin external preparation that can easily significantly enhance the moisturizing effect on the skin.

  In order to achieve the above object, the humectant for skin of the invention described in claim 1 is a humectant for skin containing red wine yeast extract as an active ingredient, and extracts cherry extract, carrot extract, rose extract, Himalayan raspberry extract The gist is to further contain at least one first component selected from liquid, horsetail extract, perilla seed extract and grape seed extract and at least one second component selected from hydrolyzed algin and perilla extract as active ingredients.

  The skin external preparation of the invention according to claim 2 is a skin external preparation containing a red wine yeast extract, which is a cherry extract, carrot extract, rose extract, Himalayan raspberry extract, cedar extract, perilla seed extract and grape seed extract. The gist is to further contain at least one first component selected from the group consisting of hydrolyzed algin and perilla extract.

  The gist of the invention described in claim 3 is that the external preparation for skin described in claim 2 is applied to the scalp.

  According to the present invention, it is easy to remarkably enhance the moisturizing effect on the skin.

Hereinafter, embodiments of the present invention will be described in detail.
The skin external preparation of this embodiment contains a red wine yeast extract and further contains a first component and a second component. The first component is at least one selected from the group consisting of cherry extract, carrot extract, rose extract, Himalayan raspberry extract, horsetail extract, perilla seed extract, and grape seed extract. The second component is at least one of hydrolyzed algin and perilla extract.

  Red wine yeast extract is blended to exert a moisturizing action on the skin. This red wine yeast extract is an extract extracted by a known extraction method using red wine yeast, which is a fermentable yeast belonging to the genus Saccharomyces, as a raw material yeast. As red wine yeast, dried yeast, ground and powdered after drying, red wine yeast decomposed by UV irradiation, self-digested, proteolytically treated with acid, alkali, protease, etc. Can be used. The red wine yeast extract is extracted from red wine yeast using, for example, water, methanol, ethanol, propylene glycol, 1,3-butylene glycol, glycerin, etc. as an extraction solvent, and the extract is filtered, concentrated, It can be obtained by drying.

  The content of the red wine yeast extract in the external preparation for skin is preferably 0.01% by mass or more, more preferably 0.1 to 10% by mass, and further preferably 0.5 to 7% by mass. When the content of the red wine yeast extract is 0.01% by mass or more, the moisturizing effect is sufficiently exhibited.

  The first component significantly enhances the moisturizing action of the red wine yeast extract on the skin together with the second component. Moreover, since the first component has a function of increasing the antioxidant power of cells, it exerts an effect of protecting cells in the skin from active oxygen that has entered the skin.

  The cherry extract is an extract extracted from cherry leaves, stems, flowers, seeds and the like. As a cherry tree, it is a plant of the Rosaceae cherry genus and the cherry subgenus, for example, Higan cherry, Yoshino cherry, Yae cherry, Oshima cherry and the like. Examples of the carrot extract include ginseng extract and chixetsu carrot extract. The rose extract is an extract extracted from rose leaves, stems, flowers, seeds and the like. The rose is a plant belonging to the genus Rosaceae and includes, for example, Neurose, Naniwai Rose and the like. Himalayan raspberry extract is an extract extracted from the roots of Himalayan raspberry. The horsetail extract is an extract extracted from the stems, leaves, and the like of horsetail belonging to the family Cryceae, and is preferably extracted from the whole plant. Perilla seed extract is an extract extracted from perilla seeds and egoma seeds. The grape seed extract is an extract extracted from grape seeds and contains proanthocyanidins and the like. The extraction method for obtaining such a first component is not particularly limited, and a first component extracted by a known method can be used.

  The content of the first component in the external preparation for skin is preferably 0.01% by mass or more, more preferably 0.1 to 10% by mass, and further preferably 0.5 to 7% by mass. When the content of the first component is 0.01% by mass or more, the moisturizing effect is sufficiently exhibited.

  The second component significantly enhances the moisturizing action of the red wine yeast extract on the skin together with the first component. Moreover, the 2nd component is excellent in the function which improves the rough skin. By the way, in the part where the skin is rough, the active oxygen easily enters the inside of the skin. And the active oxygen which penetrate | invaded the inside of skin may give a stress to the cell in skin. Such roughening of the skin is improved by the second component, so that the entry of active oxygen into the skin is suppressed.

Hydrolyzed algin is obtained by hydrolyzing Na alginate with an acid, an enzyme, or the like. Perilla extract is an extract extracted from perilla leaves.
The content of the second component in the external preparation for skin is preferably 0.01% by mass or more, more preferably 0.1 to 10% by mass, and further preferably 0.5 to 7% by mass. When the content of the second component is 0.01% by mass or more, the moisturizing effect is sufficiently exhibited.

  In the external preparation for skin, the content ratio of the red wine yeast extract, the first component and the second component is 1: (0.01 to 100) :( 0 from the viewpoint that it becomes easier to enhance the moisturizing action on the skin. 0.01 to 100), and 1: (0.1 to 10) :( 0.1 to 10) is more preferable.

  It is preferable that the external preparation for skin contains a polyhydric alcohol from the viewpoint of further enhancing the moisturizing action. Examples of the polyhydric alcohol include glycols and glycerins. Examples of glycols include ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, dipropylene glycol, isoprene glycol, and 1,3-butylene glycol. Examples of glycerins include glycerin, diglycerin, and polyglycerin. A polyhydric alcohol may be mix | blended independently and may be mix | blended combining multiple types. The content of the polyhydric alcohol in the external preparation for skin is preferably 0.1 to 20% by mass, more preferably 0.5 to 10% by mass.

  From the viewpoint of further enhancing the moisturizing effect, it is preferable to contain amino acids in the external preparation for skin. Amino acids and their salts are mentioned as amino acids. Examples of amino acids include glycine, wheat amino acid, alanine, valine, leucine, isoleucine, phenylalanine, proline, serine, threonine, tyrosine, aspartic acid, glutamic acid, arginine, lysine, histidine, tryptophan, cystine, methionine and the like. Amino acids may be blended singly or in combination of two or more. The content of amino acids in the external preparation for skin is preferably 0.1 to 20% by mass, more preferably 0.5 to 10% by mass.

  The external preparation for skin can contain a solvent, an oil component, a surfactant and the like according to the dosage form. Examples of the solvent include water, lower alcohols such as methanol, ethanol, propanol, isopropanol, butanol, and isobutanol.

Examples of the oil component include fats and oils, waxes, higher alcohols, higher fatty acids, alkyl glyceryl ethers, esters, silicones, hydrocarbons and the like.
Oils include olive oil, rosehip oil, camellia oil, shea fat, macadamia nut oil, almond oil, tea seed oil, sasanqua oil, safflower oil, sunflower oil, soybean oil, cottonseed oil, sesame oil, beef fat, cocoa butter, corn oil , Peanut oil, rapeseed oil, rice bran oil, rice germ oil, wheat germ oil, pearl barley oil, grape seed oil, avocado oil, carrot oil, macadamia nut oil, castor oil, linseed oil, palm oil, mink oil, egg yolk oil, etc. Is mentioned. Examples of waxes include beeswax, candelilla wax, carnauba wax, jojoba oil, and lanolin.

  Higher alcohols include lauryl alcohol, myristyl alcohol, cetyl alcohol (cetanol), stearyl alcohol, cetostearyl alcohol, aralkyl alcohol, behenyl alcohol, 2-hexyldecanol, isostearyl alcohol, 2-octyldodecanol, decyltetradecanol, oleyl Alcohol, linoleyl alcohol, linolenyl alcohol, lanolin alcohol, etc. are mentioned. Examples of higher fatty acids include lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, isostearic acid, hydroxystearic acid, 12-hydroxystearic acid, oleic acid, undecylenic acid, linoleic acid, ricinoleic acid, and lanolin fatty acid. It is done.

  Examples of the alkyl glyceryl ether include batyl alcohol (monostearyl glyceryl ether), chimyl alcohol (monocetyl glyceryl ether), selachyl alcohol (monooleyl glyceryl ether), and isostearyl glyceryl ether.

  Esters include diisopropyl adipate, diisobutyl adipate, dioctyl adipate, 2-hexyldecyl adipate, diisostearyl adipate, isopropyl myristate, cetyl octanoate, cetyl isooctanoate, isononyl isononanoate, isodecyl isononanoate , Isotridecyl isononanoate, diisopropyl sebacate, octyldodecyl myristate, isopropyl palmitate, butyl stearate, stearyl stearate, hexyl laurate, myristyl myristate, decyl oleate, hexyl decyl dimethyloctanoate, triisodecyl myristate, myristic acid Isostearyl, 2-ethylhexyl palmitate, octyldodecyl ricinoleate, fatty acid (C10-30) (choleste Lanylyl), lauryl lactate, cetyl lactate, myristyl lactate, octyldodecyl lactate, lanolin acetate, isocetyl stearate, isocetyl isostearate, cholesteryl 12-hydroxystearate, ethylene glycol di-2-ethylhexanoate, dipentaerythritol fatty acid Examples thereof include esters, N-alkyl glycol monoisostearate, cetyl caprate, glyceryl tricaprylate, neopentyl glycol dicaprate, diisostearyl malate, and lanolin derivatives.

  Silicones include dimethylpolysiloxane, methylphenylpolysiloxane, terminal hydroxyl group-modified dimethylpolysiloxane, fatty acid-modified polysiloxane, amino-modified silicone, alcohol-modified silicone, glycerin-modified silicone, aliphatic alcohol-modified polysiloxane, epoxy-modified silicone, fluorine Examples include modified silicone, cyclic silicone, and alkyl-modified silicone.

  Examples of the hydrocarbon include α-olefin oligomer, light isoparaffin, light liquid isoparaffin, liquid isoparaffin, liquid paraffin, squalane, polybutene, paraffin, polyethylene powder, microcrystalline wax, petrolatum and the like.

Examples of the surfactant include nonionic surfactants, cationic surfactants, anionic surfactants, and amphoteric surfactants.
Examples of nonionic surfactants include ether type nonionic surfactants and ester type nonionic surfactants. Specific examples of the ether type nonionic surfactant include polyoxyethylene (hereinafter referred to as POE) cetyl ether, POE stearyl ether, POE behenyl ether, POE oleyl ether, POE lauryl ether, POE octyldodecyl ether, POE hexyl. Examples include decyl ether, POE isostearyl ether, POE nonyl phenyl ether, POE octyl phenyl ether, and the like.

  Specific examples of the ester type nonionic surfactant include POE sorbitan monooleate, POE sorbitan monostearate, POE sorbitan monopalmitate, POE sorbitan monolaurate, POE sorbitan trioleate, POE glycerin monostearate, monoester Myristic acid POE glycerin, tetraoleic acid POE sorbitol, hexastearic acid POE sorbit, monolauric acid POE sorbit, POE sorbit beeswax, monooleic acid polyethylene glycol, monostearic acid polyethylene glycol, monolauric acid polyethylene glycol, lipophilic monooleic acid glycerin , Lipophilic glyceryl monostearate, self-emulsifying glyceryl monostearate, sorbitan monooleate, sesquiolei Sorbitan acid, sorbitan trioleate, sorbitan monostearate, sorbitan monopalmitate, sorbitan monolaurate, sucrose fatty acid ester, decaglyceryl monolaurate, decaglyceryl monostearate, decaglyceryl monooleate, decaglyceryl monomyristate, etc. Is mentioned.

  Cationic surfactants include lauryl trimethyl ammonium chloride, cetyl trimethyl ammonium chloride, stearyl trimethyl ammonium chloride, alkyl trimethyl ammonium chloride, distearyl dimethyl ammonium chloride, cetyl trimethyl ammonium bromide, stearyl trimethyl ammonium bromide, ethyl lanolin sulfate fatty acid Examples thereof include aminopropylethyldimethylammonium, stearyltrimethylammonium saccharin, cetyltrimethylammonium saccharin, and methyl behenyltrimethylammonium sulfate.

  Examples of anionic surfactants include alkyl sulfate salts such as sodium lauryl sulfate and triethanolamine lauryl sulfate, alkyl ether sulfate salts such as sodium POE lauryl ether sulfate, sodium stearoylmethyl taurate, triethanolamine dodecylbenzenesulfonate, Examples include sodium tetradecene sulfonate, POE lauryl ether phosphate and salts thereof, N-lauroyl glutamates, and N-lauroylmethyl-β-alanine salts.

  Examples of amphoteric surfactants include 2-undecyl-N-carboxymethyl-N-hydroxyethylimidazolinium betaine sodium, cocoamidopropyl betaine, lauryldimethylaminoacetic acid betaine.

  For external preparations for skin, saccharides such as sorbitol and maltose, gum arabic, karaya gum, tragacanth gum, sodium alginate, xanthan gum, cellulose derivatives, crosslinked polyacrylic acid, polydimethylmethylenepiperidinium chloride and other water-soluble polymer compounds, Preservatives such as parabens and sodium benzoate, chelating agents such as EDTA-2Na, stabilizers such as phenacetin, 8-hydroxyquinoline, acetanilide, sodium pyrophosphate, barbituric acid, uric acid, tannic acid, phosphoric acid, citric acid, Examples include pH adjusters such as sulfuric acid, acetic acid, lactic acid, tartaric acid, plant or herbal extracts excluding the first and second components, vitamins, fragrances, UV absorbers, whitening agents, skin softeners, bactericides, etc. It is done. Moreover, you may mix | blend at least 1 type chosen from what is listed in "quasi-drug material standard" (June 1991 issue, Yakuji Nippo).

  The dosage form of the external preparation for skin is preferably liquid, emulsion, cream or gel. The skin external preparation can be used as, for example, basic cosmetics, makeup cosmetics, body cosmetics, hair cosmetics, and the like by appropriately blending various components according to the application site and intended purpose. Examples of basic cosmetics include skin lotion, milky lotion, moisture cream, foam, serum, pack, after shave lotion and the like. Examples of makeup cosmetics include foundations, blushers, and lipsticks, and such makeup cosmetics exhibit a moisturizing effect on the facial skin. Examples of body cosmetics include body lotions, deodorant sprays, sunscreen agents, and the like, and these body cosmetics exhibit a moisturizing effect on the skin of the trunk, neck, arms, feet, and the like. Examples of hair cosmetics include shampoos, hair rinses, hair treatments, hair tonics, hair liquids, hair restorers, hair dyes, depigmenting agents, decoloring agents, permanent wave agents, and the like. Demonstrate the moisturizing effect.

  The external preparation for skin of the present embodiment is used by applying to the skin with a hand, an applicator or the like. When the external preparation for skin is thus applied to the skin, the red wine yeast extract acts on the skin together with the first component and the second component, so that the moisture in the stratum corneum is suitably retained.

According to the embodiment described in detail above, the following effects are exhibited.
(1) The skin external preparation of this embodiment contains a red wine yeast extract, a first component, and a second component. The first component and the second component are components that synergistically enhance the moisturizing action of the red wine yeast extract on the skin. Therefore, according to the external preparation for skin of this embodiment, it is easy to remarkably enhance the moisturizing effect on the skin.

  (2) The present inventor has focused on oxidation (oxidative stress) by active oxygen of cells in the skin as one cause of skin troubles such as roughening and erythema. And this inventor has discovered that a 1st component has a function which raises the antioxidant power of a cell. Since the skin external preparation of this embodiment contains such a first component, it exerts an action of protecting cells in the skin from active oxygen that has entered the inside of the skin. Furthermore, the present inventor has found that the second component is excellent in the function of improving rough skin. By such a second component, the roughened portion of the skin is improved, so that the entry of active oxygen into the skin is suppressed.

  As described above, the external preparation for skin of the present embodiment exerts an action of suitably protecting cells in the skin from active oxygen by the first component and the second component, and as a result, troubles such as rough skin and erythema occur in the skin. Can be suppressed.

  (3) By the way, for example, when the scalp is irradiated with ultraviolet rays contained in sunlight, active oxygen may be generated in the scalp. Moreover, the oxidizing agent mix | blended with a hair dye, a decoloring agent, a permanent wave agent, etc. generate | occur | produces active oxygen at the time of application to hair. Such active oxygen can cause stress in the scalp. The external preparation for skin of the present embodiment is configured as a cosmetic for hair, and the cosmetic for hair is used for daily care of the scalp, so that the scalp is protected from active oxygen and the scalp is maintained in a healthy state. it can.

  (4) The external preparation for skin of the present embodiment is preferably applied to the scalp as a pretreatment agent for applying, for example, an oxidant composition such as a hair dye, a depigmenting agent or a permanent wave agent to the hair. is there. In this case, the scalp can be suitably protected from active oxygen generated by such an oxidizing agent.

In addition, the said embodiment can also be changed and comprised as follows.
-The moisturizer for skin which contains the said red wine yeast extract, a 1st component, and a 2nd component as an active ingredient can also be comprised. Such a humectant for skin is used as a raw material for preparing the above-mentioned external preparation for skin, blended in the external preparation for skin. From the viewpoint of facilitating handling such as transportation and storage, the skin moisturizer preferably contains 50% by mass or more of the red wine yeast extract, the first component and the second component. Most preferably, it is composed of only one component and a second component. Moreover, in the moisturizer for skin, the content ratio of the red wine yeast extract, the first component and the second component is 1: (0.01 to 100) from the viewpoint that it becomes easier to enhance the moisturizing action on the skin. (0.01 to 100) is preferable, and 1: (0.1 to 10) :( 0.1 to 10) is more preferable. The skin moisturizer may contain a solvent, an oil component, a surfactant, and the like.

Also in the skin moisturizer configured as described above, the effects described in (1) to (3) above can be obtained.
Next, the technical idea that can be grasped from the above embodiment will be described below.

-An external preparation for skin that is applied to the scalp as a pretreatment agent when applying the oxidizing agent composition to hair.
-The skin external preparation in which the red wine yeast extract, the first component, and the second component are each 0.01% by mass or more.

Next, the embodiment will be described more specifically with reference to examples and comparative examples.
(Examples 1-15, Comparative Examples 1-19)
A lotion was prepared by blending the components shown in Tables 1 to 4. As described below, the moisture content was measured on the skin to which the skin lotion of each example was applied. In Tables 1 to 4, (1) indicates the first component, (2) indicates the second component, and the unit of the numerical value indicating the content is mass%. In addition, “hydrolyzed algin (*)” described in Tables 1 to 4 is an amount of an aqueous solution containing hydrolyzed algin, magnesium sulfate, and manganese sulfate (phyco anti-age (trade name), manufactured by CODIF). The aqueous solution contains 5% by mass of hydrolyzed algin in terms of oligosaccharide.

Details of the active ingredients and other ingredients described in the following table are as follows.
Red wine yeast extract: "Red wine yeast extract" manufactured by Kyowa Hakko Kogyo Co., Ltd.
Sakura extract: "Sakura extract B" manufactured by Ichimaru Falcos Co., Ltd.
Carrot extract: “Cosmelene of Ginseng (trade name)” manufactured by Indena
Rose extract: “ROSE CRYSTA-CO (trade name)” manufactured by Toyo Fermentation Co., Ltd.
Horsetail extract: “Cosmelene of Horsetail (trade name)” manufactured by Indena
Himalayan Raspberry Extract: “Himalayan Raspberry Root Extract” manufactured by Maruzen Pharmaceutical Co., Ltd.
Perilla extract: “Perilla extract” manufactured by Amino Up Chemical Co., Ltd.
Grape Seed Extract: “NAB Grape Extract (trade name)” manufactured by ARCH
Perilla extract: “Perilla extract-LC” manufactured by Oriza Oil Chemical Co., Ltd.
Beer yeast extract: “Yeast extract (base: beer yeast)” manufactured by Maruzen Pharmaceutical Co., Ltd.
Tomato extract: “Authenticals of Tomato” manufactured by Soravia
Fennel extract: “NAB FENNEL SEED EXTRACT (trade name)” manufactured by ARCH
Kusunohagashi extract: “Kusunohagashi extract” manufactured by Maruzen Pharmaceutical Co., Ltd.
<Moisture measurement>
The water content of 10 human arms was measured. First, the arm was washed once with soap and allowed to stand for 20 minutes in a constant temperature and humidity chamber at 25 ° C. and a relative humidity of 55%. Next, the stratum corneum moisture content (W ₁ ) of the arm was measured using a highly sensitive stratum corneum moisture meter (ASA-MX, manufactured by Asahi Biomed). Next, the lotion of each example was applied to the arm and allowed to stand for 5 minutes, and then the lotion was wiped off. After 24 hours, the arm was washed with soap and left for 20 minutes in a constant temperature and humidity chamber at 25 ° C. and a relative humidity of 55%, and then the stratum corneum moisture content (W ₂ ) was measured in the same manner. From the stratum corneum water content (W ₁ ) before applying the skin lotion and the stratum corneum water content (W ₂ ) after applying the skin water, the moisture retention amount (W), which is the rate of increase of the water content, is calculated by the following equation (1) did.

W [%] = (W ₂ / W ₁ ) × 100 (1)
And about the moisturizing amount (W) of each example, the average value of 10 persons is calculated, and the moisturizing amount (W) of Comparative Example 1 is evaluated as the control (100) from the moisturizing amount of each Example and Comparative Examples 2-19. The value was calculated. The results are also shown in Tables 1 to 4.

表１〜表４の結果から明らかなように、各実施例の評価値は、各比較例の評価値よりも高い値を示している。この結果から、各実施例では各比較例よりも優れた保湿効果を発揮することがわかる。さらに、各実施例及び比較例１４〜１９の評価値を参照すると、第１成分及び第２成分は、赤ワイン酵母エキスの保湿作用を相乗的に高める成分であることがわかる。

As is clear from the results of Tables 1 to 4, the evaluation values of the examples are higher than the evaluation values of the comparative examples. From this result, it can be seen that each example exhibits a better moisturizing effect than each comparative example. Furthermore, referring to the evaluation values of the examples and comparative examples 14 to 19, it can be seen that the first component and the second component are components that synergistically enhance the moisturizing action of the red wine yeast extract.

(Cell antioxidant test)
About the 1st component and the other components, the antioxidant test and evaluation of the cell were performed in the following procedures.

(I) Cells were seeded on a 12-well plate at a cell concentration of 5 × 10 4 cells / well.
(II) After culturing for 24 hours, a test substance was added to a serum-free medium (DMEM (−)), and the medium was exchanged. The subject was set to a concentration at which cell death did not occur.

(III) After culturing for 24 hours, the plate was washed with PBS, and the medium was changed to a medium containing peroxide (DMEM (−)).
(IV) The number of cells after 24 hours and 48 hours was counted.

(V) Table 5 shows the results of determination based on the following criteria based on a blank to which no test substance was added.
Survival rate is 70% or more and there is no change in cell morphology: excellent antioxidant action is observed (◯).

Even if the survival rate is 70% or more, there is a change in cell morphology or the survival rate is less than 70%: an antioxidant effect is observed (Δ).
Survival rate similar to that of the blank: no antioxidant effect is observed (×).

表５の結果から明らかなように、第１成分は、細胞の抗酸化力を高める機能を有していることがわかる。

As is apparent from the results in Table 5, it can be seen that the first component has a function of increasing the antioxidant power of the cells.

(Cu reducing ability test and lipid peroxide production inhibiting ability test)
With respect to the first component and other components, a Cu reducing ability test and a lipid peroxide production inhibiting ability test were conducted, and the results of each test are also shown in Table 5. Each test is known as a test for evaluating the antioxidant ability of the test substance itself.

The Cu reducing ability test was performed using an antioxidant ability measurement kit (Japan Aging Control Laboratory, antioxidant ability measuring reagent “PAO”). This Cu reducing ability test is an antioxidant power test using a copper ion reduction reaction (Cu ²⁺ → Cu ⁺ ). And it shows that the antioxidant power of a test substance is so high that the numerical value which shows the result of Cu reducing ability test shown in Table 5 is high.

  The lipid peroxide production inhibition ability test (hereinafter referred to as inhibition ability test) is a test using the thiobarbituric acid (TBA) method. In this TBA method, when using linolenic acid as a lipid to generate a peroxide by UV irradiation, the ability to inhibit the formation of lipid peroxide is evaluated based on the amount of peroxide generated. Specifically, with respect to a reaction product of TBA and the generated peroxide malondialdehyde, the absorbance at 532 nm is measured, and the inhibition ability test is carried out by the following formula (2) based on a substance not containing a test substance. The evaluation value [%] was calculated. The higher this evaluation value, the higher the antioxidant power of the test substance itself.

Value of inhibition ability test [%] = {1- (A ₂ / A ₁ )} × 100 (2)
A ₁ : Standard absorbance A ₂ : Absorbance of specimen containing test substance As is clear from the results of Table 5, in the results of Cu reducing ability test and inhibitory ability test, cherry extract, carrot extract, etc. are rose extract and Himalayan raspberry. It can be seen that the antioxidant is inferior to the extract. On the other hand, in the above-described cell antioxidant test, cherry extract, carrot extract, and the like have obtained results equivalent to those of the other first components. It can be seen that it is difficult to determine from the reducing ability test and the inhibiting ability test. That is, it has been confirmed for the first time that the first component has a function of enhancing the antioxidant power of cells by the above-described antioxidant test of cells.

(Skin roughening ability test)
About the 2nd component shown in Table 6, and other components, the rough skin improvement ability test and evaluation were performed in the following procedures. In Table 6, “hydrolyzed algin (*)” was evaluated using an aqueous solution containing hydrolyzed algin, magnesium sulfate and manganese sulfate (phyco anti-age (trade name), manufactured by CODIF) as a test substance.

(I) Hair was shaved for a certain area of the back of C3H mice.
(II) A rough skin model was produced on the back of the mouse by applying 5% SLS to the back of the mouse once a day for 3 days.

(III) The test substance was applied 0.2 mL once a day to the site where the rough skin model was prepared.
(IV) The application operation was continued for 10 days, and then a skin section was prepared.

(V) The thickness of the epidermis in the skin section was measured. Based on the thickness of the epidermis to which the test substance was not applied as a reference, the value [%] of the rough skin improving ability was calculated by the following formula (3).
Value of skin roughening ability [%] = {1− (T ₂ / T ₁ )} × 100
T ₁ : Standard thickness T ₂ : Thickness of the epidermis to which the test substance is applied Table 6 shows the results of judgment based on the following judgment criteria for the calculated value of the rough skin improvement ability.

20% or more: Excellent ability to improve rough skin is recognized (◯).
5% or more and less than 20%: Good rough skin improving ability is recognized (Δ).
Less than 5%: A rough skin improving ability is recognized (×).

表６の結果から明らかなように、加水分解アルギン及びシソエキスは、肌荒れ改善能を有するクスノハガシワ抽出液よりも、優れた肌荒れ改善能を有していることがわかる。

As is apparent from the results of Table 6, it can be seen that hydrolyzed algin and perilla extract have a superior rough skin improving ability than the Kusunohagashi extract having a rough skin improving ability.

Claims (3)

A moisturizer for skin containing red wine yeast extract as an active ingredient,
At least one first component selected from cherry extract, carrot extract, rose extract, Himalayan raspberry extract, horsetail extract, perilla seed extract and grape seed extract;
A humectant for skin, further comprising at least one second component of hydrolyzed algin and perilla extract as an active ingredient. An external preparation for skin containing red wine yeast extract,
At least one first component selected from cherry extract, carrot extract, rose extract, Himalayan raspberry extract, horsetail extract, perilla seed extract and grape seed extract;
An external preparation for skin, further comprising at least one second component of hydrolyzed algin and perilla extract. The external preparation for skin according to claim 2, which is applied to the scalp.