CN114984063B - Skin external composition and functional food composition - Google Patents
Skin external composition and functional food composition Download PDFInfo
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- CN114984063B CN114984063B CN202210155151.9A CN202210155151A CN114984063B CN 114984063 B CN114984063 B CN 114984063B CN 202210155151 A CN202210155151 A CN 202210155151A CN 114984063 B CN114984063 B CN 114984063B
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Classifications
-
- 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
- A61K8/96—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
- A61K8/97—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution from algae, fungi, lichens or plants; from derivatives thereof
- A61K8/9706—Algae
- A61K8/9717—Rhodophycota or Rhodophyta [red algae], e.g. Porphyra
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K36/00—Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
- A61K36/02—Algae
- A61K36/04—Rhodophycota or rhodophyta (red algae), e.g. Porphyra
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
- A23L33/105—Plant extracts, their artificial duplicates or their derivatives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0014—Skin, i.e. galenical aspects of topical compositions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/02—Local antiseptics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
-
- 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
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2200/00—Function of food ingredients
- A23V2200/30—Foods, ingredients or supplements having a functional effect on health
- A23V2200/318—Foods, ingredients or supplements having a functional effect on health having an effect on skin health and hair or coat
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2250/00—Food ingredients
- A23V2250/20—Natural extracts
- A23V2250/202—Algae extracts
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Chemical & Material Sciences (AREA)
- Biotechnology (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Botany (AREA)
- Mycology (AREA)
- Epidemiology (AREA)
- Dermatology (AREA)
- Organic Chemistry (AREA)
- Natural Medicines & Medicinal Plants (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microbiology (AREA)
- Nutrition Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Oncology (AREA)
- Communicable Diseases (AREA)
- Birds (AREA)
- Alternative & Traditional Medicine (AREA)
- Medical Informatics (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Cosmetics (AREA)
- Medicines Containing Plant Substances (AREA)
Abstract
The present invention provides a skin external composition and a functional food composition comprising an extract of red net algae as an active ingredient.
Description
Technical Field
The present invention relates to a skin external composition and a functional food composition.
Background
The skin barrier (skin barrier) is the outermost stratum corneum of the skin and may be referred to as the initial protective membrane of the skin. The skin barrier is composed of keratinocytes, and keratinocyte interstitium composed of lipids such as ceramide and proteins such as silk fibroin, etc., which form a multi-layered structure, thereby exerting a complete skin barrier effect. The primary function of the skin barrier is to prevent body fluid loss, toxin attack and pathogen invasion. Thus, damage to the skin barrier is not only due to purely mechanical damage to the top layer of the skin, but also may be caused by severe immune responses caused by invasion of various pathogenic bacteria. The limitation of antibiotic therapy, which is one of the existing treatments, is that it not only inhibits skin harmful bacteria (e.g., staphylococcus aureus Staphylococcus aureus), but also inhibits skin beneficial bacteria (e.g., staphylococcus epidermidis Staphylococcus epidermidis) as well, and thus its effect is not obvious. Therefore, there is an urgent need to develop a material that does not inhibit skin commensal beneficial bacteria but only harmful bacteria to improve skin barrier function.
Microbiome (microbiome) is a term synthesized from a microbiota (microbiota) representing a community of microorganisms and a genome (genome) representing the entire set of genes. The term microbiota is focused on the microbial strain itself, as opposed to the microbiome, which refers to a microorganism that inhabits the human body and has a symbiotic relationship, whereas microbiome refers to studies and techniques that deviate from existing individual microbiological analysis studies, genomics-based interactions between host organisms and microorganisms. It is well known that maintaining microbiome balance affects human function. Recently, a great deal of research is being conducted on skin microbiome and skin barrier in the fields of cosmetics, medicine, pharmacy, and based thereon, cosmetics, skin external preparations, and the like are actively developed.
Disclosure of Invention
Problems to be solved by the invention
One embodiment provides a skin external agent composition that does not inhibit skin symbiotic beneficial bacteria but only harmful bacteria to improve skin barrier function.
Another embodiment provides a functional food composition that does not inhibit skin commensal beneficial bacteria but only harmful bacteria to improve skin barrier function.
Solution for solving the problem
One embodiment provides a skin external composition comprising an extract of red net algae in ataxia as an active ingredient.
The concentration of the rhodochrous extract may be 12.5 μg/ml to 200 μg/ml.
The skin external composition can be used for preventing skin barrier damage.
The red net algae extract may be included in an amount of 0.001 to 10 wt% with respect to the total weight of the skin external composition.
The rhodochrous taxis extract can alleviate the toxicity of staphylococcus aureus (Staphylococcus aureus).
The extract of red net algae can maintain skin microbiome balance.
The extract of red net algae may be extracted with water, organic solvent or their mixture.
The organic solvent can be more than one selected from anhydrous or hydrous ethanol, glycerol, propylene glycol, butanediol, ethyl acetate, hexane and chloroform of C1-C4.
The skin external composition may be prepared in a dosage form selected from the group consisting of a astringent, a gel, a water-soluble liquid, a cream, a powder, an oil-in-water (O/W) type, and a water-in-oil (W/O) type. The skin external composition may be a cosmetic composition.
The skin external composition may be a pharmaceutical external composition for improving skin barrier function.
Another embodiment provides a functional food composition for improving skin barrier function comprising an extract of Haematococcus rhodochrous (Martensia jejuensis) as an active ingredient.
Effects of the invention
The skin external composition according to an embodiment prevents skin cell damage and maintains skin microbiome balance, thereby being effective in preventing skin barrier damage.
Particularly, it is effective against Staphylococcus aureus, and is effective against various diseases such as skin of allergic patients, and skin injury due to Staphylococcus aureus can be largely prevented in a skin barrier (skin barrier) injury state, and is effective against skin diseases such as allergic diseases.
In addition, the cosmetic composition contains a natural substance as an active ingredient, and thus side effects or risks caused by a synthetic substance are small.
Drawings
FIG. 1 is a graph showing the extent of inhibition of hemolytic activity of Staphylococcus aureus by an extract of Rhodococcus rhodochrous according to one embodiment.
Fig. 2 is a graph showing the ratio of staphylococcus epidermidis (s. Epididitis) to staphylococcus aureus (s. Aureus) in experimental and untreated control groups treated with rhodochrous extract according to an embodiment.
Fig. 3 is a graph showing the virulence factor-related gene expression levels of staphylococcus aureus at different concentrations of rhodochrous extract according to one embodiment.
Fig. 4 is a graph comparing the extent to which staphylococcus aureus in an experimental group treated with rhodochrous extract according to one embodiment caused skin cell apoptosis with an untreated control group.
Detailed Description
The present invention is described in more detail below. However, this is only to be specifically described for aiding in the understanding of the present invention, the scope of which is to be construed on the basis of the claims.
The skin external composition according to one embodiment comprises an extract of red net algae of Jizhou as an active ingredient.
The rhodochrous jizhou extract can be obtained by extracting rhodochrous jizhou. The rhodochrous jizhou (Martensia jejuensis) is a korean specific species belonging to the original jizhou sea area of the order rhodochrous jizhou dish.
The concentration of the rhodochrous extract may be 12.5 μg/ml to 200 μg/ml, for example, 25 μg/ml to 200 μg/ml, 50 μg/ml to 200 μg/ml, 100 μg/ml to 200 μg/ml. When the concentration of the extract of rhodochrous in Jizhou is within the above range, skin damage caused by staphylococcus aureus can be largely prevented in a state where the skin barrier is damaged.
The red net algae extract may be included in an amount of 0.001 to 10.0 wt%, for example, 0.01 to 0.2 wt%, with respect to the total weight of the skin external composition.
If the content is less than 0.001 wt%, an effective effect cannot be exhibited, and if it exceeds 10.0 wt%, there is a problem in the stability of the dosage form such as discoloration, odor change, etc.
The extract of Haematococcus rhodochrous can relieve toxicity of Staphylococcus aureus (Staphylococcus aureus) and improve skin barrier function.
Staphylococcus aureus (Staphylococcus aureus) is present on the surface of human skin and in pores. Staphylococcus residing generally on the skin does not cause disease in normal individuals, but staphylococcus aureus causes disease even in normal individuals. In particular, invasion into the body through a wound site is often associated with morbidity. The virulence factors (virulence factor) of staphylococcus aureus are roughly classified into virulence factors, exotoxins (exotoxins) and enzymes (enzymes) present in cells. Toxic factors present in cells include protein a, fibronectin binding factors, teichoic acid, and the like. Examples of the external toxins include enterotoxin, toxic shock syndrome toxin-1 (TSST-1), and alpha-hemolysin (Hla), and examples of the enzymes include plasma clotting enzyme (coagulase), staphylokinase (staphylokinase), protease (protease), deoxyribonuclease (DNase), and lipase (lipase) (microbiology department). Staphylococcus aureus with the characteristics plays a pathogenic role, and causes various epidermic infections such as abscess, food poisoning, pneumonia, meningitis, septicemia and the like. A variety of diseases such as skin of allergic patients are known, and staphylococcus aureus forms a colony (coloney) and a biofilm sufficiently in a state of skin barrier (skin barrier) damage, whereby inflammatory reaction and skin cell damage caused thereby further exacerbate symptoms. The result is a different distribution of skin microorganisms for those with normal skin barriers than those without.
The inventors of the present invention have found that rhodochrous extract is effective in improving skin barrier function, particularly in inhibiting staphylococcus aureus. Thus, the composition according to an embodiment can more effectively improve and maintain the skin barrier function for the skin damaged or weakened especially due to skin diseases, and has effects of enhancing skin moisturizing ability, preventing skin problems and preventing skin aging.
In addition, the rhodochrous state extract can maintain skin microbiome balance, thereby improving skin barrier function.
The rhodochrous extract may be extracted using water, an organic solvent or a mixed solvent thereof by a commonly used extraction method well known in the industry, for example, an organic solvent may be used.
The organic solvent may be one or more selected from the group consisting of C1-C4 anhydrous or hydrous ethanol, glycerol, propylene glycol, butylene glycol, ethyl acetate, hexane, and chloroform.
For example, an ethanol extract of the rhodochrous jetlag may be used.
The extract may be obtained by cold extraction, warm extraction or hot extraction, and commonly used extraction equipment, ultrasonic pulverizing extractor or fractionator may be used.
The prepared extract may be freed from the solvent by filtration, which may be, in particular, a filter paper or a reduced pressure filter, or concentration, which may be a reduced pressure concentrator, for example, a rotary evaporator, or drying, which may be, for example, performed by freeze-drying.
The skin external composition may contain various components in addition to the extract of red net algae in Jizhou, according to the method of use and purpose of use.
The skin external composition may be prepared into one or more dosage forms selected from the group consisting of skin lotion, emulsion, cream and powder, but is not limited thereto.
Specifically, the skin external composition may be prepared in a dosage form selected from the group consisting of a astringent, a gel, a water-soluble liquid, a cream, a powder, an oil-in-water (O/W) type, and a water-in-oil (W/O) type.
The skin external composition according to an embodiment may be used as a cosmetic composition. The skin care product is composed of natural substances, does not cause skin problems even if used frequently, can continuously improve the skin barrier function, and has the effects of moisturizing skin, improving wrinkles, preventing aging and the like. The cosmetic composition is not limited to any formulation conventionally prepared in the art, and may be prepared, for example, but not limited to, as a solution, suspension, emulsion, paste, gel, cream, emulsion, powder, soap, surfactant-containing cleaner, oil, powder foundation, emulsion foundation, wax foundation, spray, and the like. In more detail, it can be suitably used for preparing functional cosmetics such as foundation cosmetics of astringent, nourishing cream, moisturizing cream, essence, eye cream, lotion, mask and essence. On the other hand, the ingredients contained in the cosmetic composition of an embodiment may contain ingredients commonly used in cosmetic compositions, for example, usual adjuvants and carriers such as antioxidants, stabilizers, solubilizers, vitamins, pigments and fragrances, in addition to the rhodochrous extract as an active ingredient.
The skin external composition according to an embodiment may be used as a pharmaceutical external composition for improving skin barrier function. As with the cosmetic composition described above, the pharmaceutical composition may have one or more uses selected from the group consisting of enhancing skin moisturization, preventing skin problems, and preventing skin aging.
The term "pharmaceutical composition" as used herein means an article having a slight effect on a pharmaceutical product among articles for the purpose of diagnosing, treating, ameliorating, reducing, disposing or preventing a human or animal disease, for example, according to the pharmaceutical laws, the term "pharmaceutical composition" means an article other than articles for use as a pharmaceutical product, and includes articles for the treatment or prevention of a human or animal disease, articles having a slight or indirect effect on a human body, and the like.
The pharmaceutical composition for external use is used for the purpose of improving skin barrier function, and more specifically, for the purpose of enhancing skin moisturization, preventing skin problems and preventing skin aging, and its dosage form is not particularly limited, and may be, for example, a composition in the form of a skin softening lotion, a nourishing lotion, a massage cream, a nourishing cream, a dressing, a mask, a sheet pack, a gel or a skin-adhering cosmetic dosage form, or a composition in the form of a transdermal administration dosage form such as a lotion, an ointment, a gel, a cream, a patch or a spray.
On the other hand, the pharmaceutical composition may be formulated with, in addition to the extract of red net algae, conventional adjuvants and carriers such as thickening agents, stabilizers, solubilizers, vitamins, pigments and fragrances, and the like, as required.
According to another embodiment, a functional food composition for improving skin barrier function is provided comprising an extract of rhodochrous (Martensia jejuensis) as an active ingredient. The functional food may include a health functional food. As with the cosmetic compositions described above, the functional food composition may also have one or more uses selected from the group consisting of enhancing skin moisturization, preventing skin problems, and preventing skin aging.
The kind of the functional food is not particularly limited, and for example, meat, sausage, bread, chocolate, candy, snack, pizza, stretched noodles, chewing gum, dairy products, various soups, beverages, tea, drinks, alcoholic beverages, vitamin complex agents, and the like can be used, and all foods can be included in a broad sense.
The functional food composition may contain commonly used ingredients in addition to the rhodochrous extract, for example, nutrients, vitamins, electrolytes, flavoring agents, coloring agents, pectic acids and salts thereof, alginic acid and salts thereof, organic acids, protective colloid thickeners, pH adjusters, stabilizers, preservatives, glycerol, ethanol, carbonating agents used in carbonated beverages, or combinations thereof.
The following will illustrate examples and embodiments for the purpose of explaining the present invention in detail. However, the experimental examples of the present invention may be modified into various different forms, and it should not be construed that the scope of the present invention is limited to the experimental examples and examples described in detail below. Experimental examples and embodiments of the present invention serve to more fully illustrate the invention to one of ordinary skill in the art.
Preparation example 1: preparation of extract of red net algae
The dried whole strain of rhodochrous, jizhou, was crushed, immersed in 2 times of 95% ethanol, and exposed to an ultrasonic device (150 w, 30 ℃) for 30 minutes. After 24 hours of maceration, the extract was filtered through filter paper, and then the solvent was removed using a rotary vacuum concentrator, thereby preparing the rhodochrous macrocarpa extract.
Experimental example 1: strains, cell lines and culture conditions
The strain was cultured in pancreatin soybean broth (TSB) at a temperature of 37 ℃ and used for experiments using staphylococcus aureus (s. Aureus, ATCC 6538) as a skin pest and staphylococcus epidermidis (ATCC 12228) as a beneficial.
The skin keratinocyte HaCaT cells are added with 1Antibiotic-free DMEM medium with 0% FBS at 37deg.C, 5% CO 2 And used for experiments.
Experimental example 2: measurement of the extent of inhibition of hemolytic Activity
To measure the extent of inhibition of hemolytic activity of the rhodochrous extract against staphylococcus aureus, a hemolysis assay (haemolytisis assay) was performed using rabbit blood.
Before toxicity related experiments of staphylococcus aureus related to the rhodochrous extract are carried out, the Minimum Inhibitory Concentration (MIC) of the rhodochrous extract to the staphylococcus aureus is more than 2 mg/mul through previous experiments.
In Staphylococcus aureus 1X10 6 In CFU/ml, the culture was performed in TSB medium for 24 hours at a concentration of 100. Mu.g/ml, 50. Mu.g/ml, 25. Mu.g/ml of extract of Rhodophyllum jizhou. The cultured bacterial liquid was centrifuged, and only the supernatant was collected and filtered through a 0.2 μm needle filter for use in the experiment.
Mu.l of rabbit blood washed 3 times with PBS and 975. Mu.l of bacterial culture supernatant were added to 1.5ml of microtubes, and after incubation at 37℃for 1 hour, centrifugation was carried out at 5500g (gravitational acceleration) for 1 minute to obtain 200. Mu.l of supernatant, which was transferred to a microplate and absorbance was measured at 540nm with an enzyme-labeled instrument.
As shown in FIG. 1, in the experimental group treated with the extract of Rhodococcus rhodochrous of an example, it was confirmed that the hemolytic activity of the Staphylococcus aureus culture broth was inhibited.
Experimental example 3: evaluation of skin microbial Regulation efficacy
Staphylococcus aureus (S.aureus) and Staphylococcus epidermidis (S.epidermidis) cultured in TSB for 24 hours were each approximately 1X10 6 CFU/mL was inoculated into the new medium and incubated with 200. Mu.g/mL of the extract of Haematococcus rhodochrous for 24 hours. Then, it will be diluted 10 7 The double culture was applied to TSA and the number of colonies (colly) of Staphylococcus aureus and Staphylococcus epidermidis was counted.
As a result, as shown in fig. 2, it was confirmed that the ratio of staphylococcus epidermidis, which is a beneficial bacterium, was increased and the ratio of staphylococcus aureus, which is a harmful bacterium, was decreased in the experimental group treated with the rhodochrous taxis extract of one example, compared to the untreated control group.
Experimental example 4: staphylococcus aureus virulence factor expression
Real-time PCR experiments were performed to confirm the mRNA expression inhibition effect of the toxic factors of Staphylococcus aureus, namely, alpha-hemolysin (Hla), coagulation factors A/B (ClfA, clfB), fibronectin binding factors A/B (FnbA, fnbB), protein A (SpA), sortase (SrtA) genes.
In Staphylococcus aureus about 1x10 6 In CFU/ml, treatment was performed at 200. Mu.g/ml, 100. Mu.g/. Mu.l, 50. Mu.g/. Mu.l of extract concentration of Haematococcus rhodochrous followed by incubation for 24 hours. After 24 hours colonies were recovered and RNA was extracted (TE buffer, boiling at 100 ℃). After measuring the concentration and purity of the extracted RNA, 1. Mu.g of RNA was used to synthesize cDNA using a cDNA synthesis kit (Intron), and then real-time PCR was performed using SYBR Green.
As a result, as shown in FIG. 3, it was confirmed that the mRNA expression of the virulence factor Hla, clfB, fnbA/B, spA gene of Staphylococcus aureus was reduced in the Experimental group treated with the extract of Rhodococcus rhodochrous in economical state as compared with the control group treated with the extract of Rhodococcus rhodochrous in uneconomical state.
Experimental example 5: skin keratinocyte protective effect
Co-culture of skin keratinocytes (HaCaT) with Staphylococcus aureus was performed to confirm the skin cytoprotective effect based on the extract of Haematococcus rhodochrous.
Skin keratinocytes were cultured in 24-well plates until 80% of the basal surface was filled, staphylococcus aureus treatments were performed at about 1000 CFU/well, and after a given time of co-culture (co-culture), MTT experiments were performed to measure cell viability.
As a result, as shown in fig. 4, it was confirmed that apoptosis occurred in the skin keratinocytes (k+s) treated with staphylococcus aureus compared with the skin keratinocytes (K) not treated with staphylococcus aureus, and that apoptosis by staphylococcus aureus was inhibited in the group treated with red net algae extract.
From the above experimental results, it was confirmed that the rhodochrous state extract according to an embodiment is a natural material having an effect of preventing skin barrier damage by regulating toxicity of staphylococcus aureus.
The following shows various dosage forms prepared by using the extract of red net algae in Jizhou according to the results of the above experimental examples. However, it will be understood by those of ordinary skill in the art that these dosage form examples are merely illustrative of the present invention, and the dosage form of the present invention is not limited to these dosage form examples.
( Dosage form examples 1 to 3: cosmetic composition containing extract of red net algae of Jizhou province )
Dosage form example 1: emulsion (emulgion)
[ Table 1 ]
Component name | Examples (wt%) |
Stearic acid | 0.5 |
Ethanol | 10.0 |
Vaseline | 1.0 |
Squalane (Squalene) | 2.5 |
Liquid paraffin | 6.0 |
Polyoxyethylene sorbitan monooleate | 1.5 |
1, 3-butanediol | 8.0 |
Triethanolamine salt | 0.05 |
Spice | 0.2 |
Preservative agent | Proper amount of |
Antioxidant agent | Proper amount of |
Extract of red net algae | 0.05 |
Purified water | To 100 |
Dosage form example 2: skin softening water (skin tone)
[ Table 2 ]
Component name | Weight percent |
Glycerol | 5.0 |
1, 3-butanediol | 3.0 |
Ethanol | 5.0 |
Polyoxyethylene nonylphenyl ether | 0.5 |
Spice | Proper amount of |
Preservative agent | Proper amount of |
Extract of red net algae | 0.05 |
Purified water | To 100 |
Dosage form example 3: cream (stream)
[ Table 3 ]
Claims (10)
1. A skin external composition contains ethanol extract of red net algae (Martensia jejuensis) as effective component.
2. The external skin preparation composition according to claim 1, wherein,
the concentration of the ethanol extract of the rhodochrous jizhou isTo->
3. The external skin preparation composition according to claim 1, wherein,
the skin external composition is used for preventing skin barrier damage.
4. The external skin preparation composition according to claim 1, wherein,
an ethanol extract comprising 0.001 wt% to 10 wt% of the rhodochrous jeorum, relative to the total weight of the skin external composition.
5. The external skin preparation composition according to claim 1, wherein,
the ethanol extract of rhodochrous taxis alleviates the toxicity of staphylococcus aureus (Staphylococcus aureus).
6. The external skin preparation composition according to claim 1, wherein,
the ethanol extract of rhodochrous state maintains skin microbiome balance.
7. The external skin preparation composition according to claim 1, wherein,
the skin external composition is prepared into a dosage form selected from the group consisting of a astringent, a gel, a water-soluble liquid, a cream, a powder, an oil-in-water dosage form, and a water-in-oil dosage form.
8. The skin external composition according to any one of claims 1 to 7, wherein,
the skin external composition is a cosmetic composition.
9. The skin external composition according to any one of claims 1 to 7, wherein,
the skin external composition is a pharmaceutical external composition for improving skin barrier function.
10. A functional food composition for improving skin barrier function comprises ethanol extract of red net algae (Martensia jejuensis) as effective component.
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WO2018216744A1 (en) * | 2017-05-23 | 2018-11-29 | 一丸ファルコス株式会社 | Cosmetic and skin protecting agent containing lactic acid bacterium |
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CN105325460A (en) * | 2010-02-25 | 2016-02-17 | 马罗内生物创新公司 | Isolated bacterial strain of the genus burkholderia and pesticidal metabolites therefrom |
WO2018216744A1 (en) * | 2017-05-23 | 2018-11-29 | 一丸ファルコス株式会社 | Cosmetic and skin protecting agent containing lactic acid bacterium |
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