KR20180093560A - A composition for skin whitening, anti-oxidating, astringent or anti-wrinkle comprising extracts of unripe plum - Google Patents

A composition for skin whitening, anti-oxidating, astringent or anti-wrinkle comprising extracts of unripe plum Download PDF

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KR20180093560A
KR20180093560A KR1020170019824A KR20170019824A KR20180093560A KR 20180093560 A KR20180093560 A KR 20180093560A KR 1020170019824 A KR1020170019824 A KR 1020170019824A KR 20170019824 A KR20170019824 A KR 20170019824A KR 20180093560 A KR20180093560 A KR 20180093560A
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skin
plum
extract
composition
present
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강연자
김진철
박종국
정용하
전동하
천정윤
박상미
장민정
김용환
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(주)튜링겐코리아
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, 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
    • A23L33/00Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A23L33/105Plant extracts, their artificial duplicates or their derivatives
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18Magnoliophyta (angiosperms)
    • A61K36/185Magnoliopsida (dicotyledons)
    • A61K36/73Rosaceae (Rose family), e.g. strawberry, chokeberry, blackberry, pear or firethorn
    • A61K36/736Prunus, e.g. plum, cherry, peach, apricot or almond
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/96Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
    • A61K8/97Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution from algae, fungi, lichens or plants; from derivatives thereof
    • A61K8/9783Angiosperms [Magnoliophyta]
    • A61K8/9789Magnoliopsida [dicotyledons]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00Preparations for care of the skin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00Preparations for care of the skin
    • A61Q19/02Preparations for care of the skin for chemically bleaching or whitening the skin
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2200/00Function of food ingredients
    • A23V2200/30Foods, ingredients or supplements having a functional effect on health
    • A23V2200/318Foods, ingredients or supplements having a functional effect on health having an effect on skin health and hair or coat

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Abstract

The present invention relates to a composition for improving skin condition comprising enemas and plum extract. The composition comprising the extract of plum extract of the present invention as an active ingredient has excellent effects on antioxidation, skin whitening, convergence and wrinkle improvement, And skin side effects, so that it can be effectively used as a cosmetic composition, a pharmaceutical composition and a food composition. In addition, it is useful not only for environmental conservation but also for economic purposes, by utilizing agricultural processing by-products which are abolished in large quantities.

Description

FIELD OF THE INVENTION The present invention relates to a composition for antioxidant, skin whitening, astringent or wrinkle improvement, which comprises red and plum extracts. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a composition for anti-

The present invention relates to a composition for improving skin condition comprising enemas and plum extract, and more particularly to a cosmetic composition, a pharmaceutical composition and a foodstuff for antioxidation, skin whitening, convergence or wrinkle improvement containing an extract and plum extract as an active ingredient ≪ / RTI >

In general, human eyes, hair and skin color are determined by the concentration and distribution of melanin in the skin, and also depending on the type of melanin. However, it is also affected by various environmental and physiological factors such as ultraviolet rays and stress. Melanin is a series of enzymes that starts from the conversion of melanocytes in the basal layer of the epidermis to tyrosinase-mediated tyrosinase in the melanosomes of melanocytes, the amino acid tyrosine, which is converted to dopa chromium Oxidation and non-enzymatic oxidation processes. There are ultraviolet rays as a typical influential factor for the production and synthesis of melanin. In addition, genetic factors, environmental factors, hormones, foods, medicines and other chemicals act. These melanin absorbs a certain amount of ultraviolet rays to protect the skin and maintain the body temperature. However, when the skin is exposed to severe irritation and melanin is generated, freckles, senility spots, stains, brown or black spots, Or hyperpigmentation after inflammation due to dermatitis, and phototoxic reaction.

Recently, Oriental women prefer white and clean skin, and since they are used as an important criterion of beauty, development of a whitening agent for the treatment of skin pigmentation abnormality and to meet the desire for beauty is being actively carried out. Currently, in the development of a whitening agent for skin cosmetics, there is known a method of decolorizing by reducing the produced melanin pigment and a method of inhibiting the activity of tyrosinase, an enzyme that forms a melanin pigment. However, it has been known that whitening agents using tocopherol, vitamins and the like, which are used to reduce the melanin pigment, have little discoloring effect on the melanin pigment, and thus many studies have been conducted on inhibitors that inhibit the production of melanin pigment.

Conventionally, in order to improve skin whitening and skin hypercholesterolemia, an inhibitory activity against tyrosinase such as hydroquinone, ascorbic acid, kojic acid, glutathione and cysteine Have been used. However, hydroquinone exhibits a predetermined whitening effect, but it has a problem that skin irritation is serious, so that the blending amount is limited to a very small amount. Ascorbic acid is easy to be oxidized, and the cosmetic composition containing the same causes problems such as discoloration and swelling, Has a disadvantage in that the manufacturing process of the cosmetic is complicated due to insufficient stability in the solution. In addition, thiol compounds such as glutathione and cysteine have not only unpleasant odors but also problems with transdermal absorption, and their glycosides and derivatives are also highly polar, making them difficult to use as a blending component of cosmetics. In addition, vitamin C is easily oxidized in an aqueous solution state and can not produce a sustained effect.

On the other hand, human skin color is determined by the concentration and distribution of melanin in the skin. In addition to genetic factors, skin color is also affected by environmental or physiological conditions such as sunlight, fatigue and stress. Melanin is synthesized in melanocytes in the epidermis of the skin. In the melanosome of melanocytes, an enzyme called tyrosinase acts on tyrosine, a type of amino acid, resulting in dopa (DOPA), dopaquinone ), And then it is made through a non-enzymatic oxidation reaction. When such a synthesis of melanin occurs excessively in the skin, it darkens skin tone, and causes spots and freckles. Thus, inhibiting the activity of tyrosinase in the skin to inhibit the synthesis of melanin pigment not only makes it possible to whiten the skin tone to brighten the skin tone, but also to reduce skin irritation caused by ultraviolet rays, hormones and hereditary causes, It can improve constipation.

Skin is the primary organ of aging, and much research has been done in the field of cosmetics to delay or prevent it. Skin aging usually begins around the age of 25, and skin aging proceeds in earnest at around the age of 40 years. As a representative phenomenon of skin aging, sebum secretion is reduced, skin becomes dry, cell regeneration is delayed, and aging skin is piled up and skin becomes rough. In addition, the synthesis amount of collagen which supports the epidermis is reduced, and elastin (elastic fiber) is denatured to form wrinkles. In addition, skin color is stained, symptoms of pigmentation such as spots and black spots appear, and the epidermis is thinned, and skin protection function is weakened. Other phenomena include an increase in skin troubles due to a decrease in the skin barrier effect (barrier effect) associated with a decrease in skin thickness. Research related to skin aging is largely focused on strengthening the dermal-epidermal junction (DEJ), skin wrinkle-improving material, skin elasticity enhancement material, skin protecting material from ultraviolet rays and active oxygen which are major causes of skin aging It is classified into related materials and studied in depth.

Dermatological atrophy is a typical aging phenomenon after 70 years of age. Changes in the dermis are caused by a change in the number of fibroblasts and a change in the molecular weight of the extracellular matrix due to a decrease in their ability to synthesize. Specific changes include separation of collagen bundles, reduction of point polysaccharide synthesis, reduction of collagen and elastin number and diameter, degradation of collagen and elastic fibers, and expansion of blood vessels. Generally, among the various complex factors such as moisture content of the skin, collagen content, and immunity to the external environment, collagen degradation enzymes such as collagenase, collagenase and collagen, which reduce collagen production and collagen content, It is the active amount and activity of the genesis. Collagenase belongs to the group of matrix metalloproteinases (MMPs), which play an important role in substrate proteolysis. Such collagenase is known to decompose collagen 1, 2, 3, 5 by promoting its expression by ultraviolet rays, growth factors, inflammatory cytokines, and phorbol esters. Particularly, It is known that it plays a major role in photoaging due to the presence of light. In addition, metalloproteinases (MMPs) are composed of matrix proteins such as 4-type collagen fibers (MMP-2, -3), elastic fibers (MMP-2), or fibronectin or laminin (MMP-3) Lt; RTI ID = 0.0 > 1, < / RTI > and significantly increased expression in aged skin. Therefore, development of a material capable of reducing the activity of metalloproteinases has been actively carried out.

One of the functions that prevents skin aging and maintains healthy skin is convergence. The principle of convergence is the phenomenon that the skin contracts due to the formation of crosslinks by binding with the polymer flavonoids of the skin protein. The astringent agent has an action to shrink the skin and the mucosal blood vessels and has an effect of inhibiting the secretion of mucus by interrupting the cell gap and the lymphatic gap. In addition, since astringent agent has a property of binding to protein, it can generally judge degree of convergence effect according to degree of binding of hemoglobin protein with extract. Therefore, the convergence effect is to give the skin a sense of resilience and flexibility by contracting excessively opened pores and pores.

In addition, elastin fibers form crosslinks with collagen, and are skin constituents that are important for wrinkle formation that is involved in skin elasticity. The deficiency and aggregation of elastin fibers and the dramatic increase in activity of the elastase, elastase, have been found to be one of the causes of skin wrinkles. Elastase is the only enzyme capable of degrading elastin, and inhibition of it is known to be able to radically reduce wrinkles.

As the cells of the skin are exposed to oxidative stress by reactive oxygen species generated in a continuous biochemical reaction for the necessary energy supply in the human body in order to supply necessary energy in vivo, the cellular components such as lipid, protein, It changes carbohydrate and DNA oxidative damage and enzymatic activity, causing various diseases such as skin cancer, and promotes aging.

Therefore, in the field of cosmetics, research and development on functional cosmetics having antioxidation, skin whitening, convergence and wrinkle-improving effects have been actively carried out, and studies using natural substances have been continued in order to avoid toxicity or irritation to skin .

Most of the byproducts of agricultural products in natural resources are currently classified as industrial wastes and are not used. In the case of plums, the plums that are the enemy are abandoned.

Plums are in the rhubarb cherry plums and are divided into Oriental plum (Prunus salicina), Prunus domestica (Prunus domestica) and Prunus americana (North America) depending on their origin. Plums are rich in phenolic phytochemicals such as flavonoids and phenolic acids, and contain a large amount of neochlorogenic acid and rutin. In the case of red plum cultivars, anthocyanin is a small amount (Donovan et al., 1998). The antioxidant capacity of plums is lower than that of grapes, but 4 times higher than that of apples (Wang et al., 1996), and it has been reported that the pericarp contains more antioxidants than pulp (Park et al., 2012). Compared with mature plums, enemas (immature) plums contain a large amount of physiologically active substances such as flavonoids and polyphenols. Therefore, to effectively utilize agricultural processing by-products, which are disposed of in large quantities, and to activate the local economy, skin whitening, antioxidation, and wrinkle are improved by using immature plum (enameled plum) containing polyphenol 10 times more than mature plum If functionalities such as efficacy are verified to develop functional biomaterials, high value-added cosmetics, pharmaceuticals and processed foods can be produced.

Accordingly, the inventors of the present invention have continued to develop natural materials having antioxidant, whitening, astringent and wrinkle-reducing effects and fewer human side effects. As a result, it has been found that the extracts of plum and plum have antioxidant, whitening, The present invention has been completed based on the discovery that it exhibits an excellent effect in improving wrinkles.

Accordingly, a technical problem to be solved by the present invention is to provide a substance having excellent antioxidant, whitening, whitening, convergence and wrinkle-reducing effects, and excellent human stability without cytotoxicity derived from natural materials.

In order to solve the above technical problems, the present invention provides a composition for antioxidation, skin whitening, convergence and wrinkle improvement comprising an extract of plum and plum as an active ingredient.

Preferably, the composition comprising the extract and the plum extract in the present invention may be a cosmetic composition, a pharmaceutical composition or a food composition.

The term " enemas and plums "of the present invention means plums adulterated one to three weeks after flowering.

The term "extract " of the present invention means a preparation which is obtained by squeezing a herbal medicine with an appropriate leaching solution and concentrating by evaporating the leaching solution, and is not limited thereto. The extract, the diluted solution, A dried product obtained by drying, a controlled preparation thereof, or a purified product thereof.

The extract and plum extract of the present invention can be extracted using a conventional extraction solvent known in the art, and the extracted liquid can be used in a liquid form or can be used by concentration and / or drying. The extraction solvent may be, for example, (a) water, (b) anhydrous or hydrated lower alcohol having 1 to 4 carbon atoms (methanol, ethanol, propanol, butanol, etc.), (c) Solvent, (d) acetone, (e) ethyl acetate, (f) chloroform or (g) 1,3-butylene glycol as the extraction solvent. Preferably, extraction is carried out using methanol, ethanol or butane. Depending on the extraction solvent, the degree of extraction and the degree of loss of the active ingredient of the extract may differ. Therefore, an appropriate extraction solvent should be selected and used. The extraction method is not particularly limited, and examples thereof include cold extraction, ultrasonic extraction, and reflux cooling extraction.

In addition, the red and plum extracts can be obtained through a conventional purification process in addition to the extraction method using the above-mentioned extraction solvent. For example, a fraction obtained through various purification methods such as separation using an ultrafiltration membrane having a constant molecular weight cut-off value, separation by various chromatography (manufactured for separation according to size, charge, hydrophobicity or affinity) The extract and plum extract can be obtained.

According to one specific embodiment of the present invention, the red and plum extracts are prepared by pulverizing red and plum, and then extracting a solvent selected from the group consisting of water, an anhydrous or a lower alcohol having 1 to 3 carbon atoms, and a mixed solvent thereof, And the amount of the extraction solvent may be 2 to 4 parts by volume relative to the volume of the plum and plums.

According to one specific embodiment of the present invention, the red and plum extracts are prepared by pulverizing red and plum, adding 60 to 80% ethanol (EtOH) in a volume ratio of 1 to 4 times, To 26 hours, collected by filtration, and then concentrated by filtration to obtain a red and a plum extract.

The composition of the present invention may contain from 0.005 to 50% by weight, more preferably from 0.01 to 30% by weight, and most preferably from 0.1 to 10% by weight, of the extract and plum extract, based on the total weight of the composition. If the content of the extract is less than 0.005% by weight, antioxidation, skin whitening, convergence and wrinkle reducing effects of the present invention can not be obtained. If the content exceeds 50% by weight, There is a problem in that the stability of the shape can not be secured.

The composition containing the extract and the plum extract of the present invention exhibits antioxidant, whitening, astringent and wrinkle-reducing effects, and has little cytotoxicity as a natural substance.

According to one embodiment of the present invention, there is provided a cosmetic composition comprising an enemas and a plum extract as an active ingredient.

The cosmetic composition according to one embodiment of the present invention may contain, in addition to a red and plum extract as an active ingredient, conventional additives such as antioxidants, stabilizers, solubilizers, vitamins, pigments and flavors, The carrier may be further added.

The cosmetic composition of the present invention can be prepared into any of the formulations conventionally produced in the art and can be used as a solution, a suspension, an emulsion, a paste, a gel, a cream, a lotion, a powder, a soap, , Oil, powder foundation, emulsion foundation, wax foundation and spray, but is not limited thereto. More specifically, it can be prepared as a nutritional cream, a convergent lotion, a soft lotion, a lotion, an essence, a nutritional gel or a massage cream.

When the formulation of the present invention is a paste, cream or gel, use is made of an animal oil, vegetable oil, wax, paraffin, starch, tragacanth gum, cellulose derivatives, polyethylene glycol, silicone, bentonite, silica, talc or zinc oxide .

When the formulation of the present invention is a powder or a spray, tosse, talc, silica, aluminum hydroxide, calcium silicate or polyamide powder may be used as a carrier component. In the case of a spray, in particular, chlorofluorohydrocarbons, propane / Propane or dimethyl ether.

When the formulation of the present invention is a solution or emulsion, a solvent, a solubilizing agent or an emulsifying agent is used as a carrier component, and examples thereof include water, ethanol, isopropanol, ethyl carbonate, ethyl acetate, benzyl alcohol, benzyl benzoate, , 3-butyl glycol oil, glycerol aliphatic ester, polyethylene glycol or sorbitan fatty acid esters.

In the case where the formulation of the present invention is a suspension, a carrier such as water, a liquid diluent such as ethanol or propylene glycol, a suspending agent such as ethoxylated isostearyl alcohol, polyoxyethylene sorbitol ester and polyoxyethylene sorbitan ester, Castellulose, aluminum metahydroxide, bentonite, agar or tracert, etc. may be used.

When the formulation of the present invention is an interfacial active agent-containing cleansing, the carrier component may include aliphatic alcohol sulfate, aliphatic alcohol ether sulfate, sulfosuccinic acid monoester, isethionate, imidazolinium derivative, methyltaurate, sarcosinate, fatty acid amide Ether sulfates, alkylamidobetaines, aliphatic alcohols, fatty acid glycerides, fatty acid diethanolamides, vegetable oils, lanolin derivatives or ethoxylated glycerol fatty acid esters.

A pharmaceutical composition according to one embodiment of the present invention comprises a pharmaceutically acceptable carrier other than the extract and the plum extract. The pharmaceutically acceptable carrier to be contained in the pharmaceutical composition of the present invention is one usually used at the time of formulation, and includes lactose, dextrose, sucrose, sorbitol, mannitol, starch, acacia rubber, calcium phosphate, alginate, gelatin, But are not limited to, calcium silicate, microcrystalline cellulose, polyvinylpyrrolidone, cellulose, water, syrups, methylcellulose, methylhydroxybenzoate, propylhydroxybenzoate, talc, magnesium stearate and mineral oil. It is not. The pharmaceutical composition of the present invention may further contain a lubricant, a wetting agent, a sweetening agent, a flavoring agent, an emulsifying agent, a suspending agent, a preservative, etc., in addition to the above components. Suitable pharmaceutically acceptable carriers and formulations are described in detail in Remington ' s Pharmaceutical Sciences (19th ed., 1995).

The pharmaceutical composition of the present invention can be administered orally or parenterally, and is preferably applied by parenteral administration, more preferably topical application by application.

A suitable dosage of the pharmaceutical composition of the present invention may vary depending on such factors as the formulation method, administration method, age, body weight, sex, pathological condition, food, administration time, route of administration, excretion rate, . The dosage of the pharmaceutical composition of the present invention is in the range of 0.001-100 mg / kg on an adult basis. When the composition is an external preparation, it is preferably applied in an amount of 1.0 to 3.0 ml on an adult basis once to five times a day, and continued for 1 month or more. However, the dose is not intended to limit the scope of the present invention.

The pharmaceutical composition of the present invention may be prepared in unit dosage form by formulating it using a pharmaceutically acceptable carrier and / or excipient according to a method which can be easily carried out by a person having ordinary skill in the art, Into the container. The formulations may be in the form of solutions, suspensions, syrups or emulsions in an oil or aqueous medium, or in the form of excipients, powders, powders, granules, tablets or capsules, and may additionally contain dispersing or stabilizing agents.

In addition, the food composition according to one embodiment of the present invention may contain, as an active ingredient, adipate and plum extract as well as ingredients normally added in the manufacture of food such as protein, carbohydrate, fat, nutrients, May be further included.

Examples of such carbohydrates are monosaccharides, such as glucose, fructose, and the like; Disaccharides such as maltose, sucrose, oligosaccharides and the like; And polysaccharides such as dextrin, cyclodextrin and the like, and sugar alcohols such as xylitol, sorbitol and erythritol. Natural flavorings such as tau martin and stevia extract (e.g., rebaudioside A and glycyrrhizin) and synthetic flavorings (saccharine, aspartame, etc.) can be used as flavorings.

For example, when the food composition of the present invention is prepared as a drink, it may further contain citric acid, liquid fructose, sugar, glucose, acetic acid, malic acid, juice, mulberry extract, jujube extract, licorice extract, .

On the other hand, the extract and plum extract of the present invention are naturally harmless to the human body, have little toxicity and side effects, and can be safely used for long-term use. In particular, they can be safely applied to cosmetic, pharmaceutical and food compositions as described above .

As described above, the composition comprising the extract and the plum extract of the present invention as an effective ingredient has excellent effects on antioxidation, skin whitening, convergence and wrinkle improvement, and is free from cytotoxicity and skin side effects, and is useful as a cosmetic composition, a pharmaceutical composition and a food composition Lt; / RTI > In addition, it is useful not only for environmental conservation but also for economic purposes, by utilizing agricultural processing by-products which are abolished in large quantities.

FIG. 1 is a graph showing the DPPH electron donating ability according to the concentration of the extract and plum extract. FIG.
2 is a graph showing the ABTS radical scavenging activity according to the concentration of the extract and plum extract.
Fig. 3 is a graph showing the inhibitory effect of tyrosinase activity on the concentration of the extract and plum extract. Fig.
4 is a graph showing the astringent effect according to the concentration of the plum and plum extract.
5 is a graph showing an effect of inhibiting elastase according to the concentration of the extract and plum extract.

Hereinafter, embodiments of the present invention will be described in detail to facilitate understanding of the present invention. However, the embodiments according to the present invention can be modified into various other forms, and the scope of the present invention should not be construed as being limited to the following embodiments. Embodiments of the invention are provided to more fully describe the present invention to those skilled in the art.

Example 1 Preparation of Red and Plum Extracts

After crushing the red and plum, 1000 ml of 70% ethanol was immersed in 100 g of the sample for 24 hours, and the solution was collected three times and collected. 2 filter paper, and the filtrate was concentrated using a vacuum rotary evaporator, lyophilized, and stored at -20 ° C.

<Test Example 1> Measurement of antioxidant effect

(1) Measurement of DPPH radical scavenging ability

The electron donating ability (EDA) was measured according to Blois's method (1958). 1 mL of 1, 1-diphenyl-2-picrylhydrazyl (DPPH) was added to 2 mL of each sample solution, and the mixture was left to stand for 30 minutes and absorbance was measured at 517 nm. The electron donating ability was expressed by the absorbance decreasing rate of the sample solution added group and the no added group.

The measurement of DPPH radical scavenging ability is a method of measuring electron donating ability as a strong antioxidant as the reducing power becomes larger. Therefore, the reducing power and the antioxidant power of the test substance can be measured based on the reduction degree of DPPH. DPPH electron donating ability, which inhibits oxidation by donating electrons of free radicals in association with the lipid peroxidation chain reaction, was measured by controlling and adding platelets and plum extract to a concentration of 10 ~ 1,000 ug / ml.

The results of DPPH scavenging activity of the extract and plum extract were shown in Table 1 and FIG. Plums and vitamin C were used for comparison.

FIG. 1 is a graph showing the DPPH electron donating ability according to the concentration of the extract and plum extract. FIG.

10 (占 퐂 / ml) 50 (占 퐂 / ml) 100 (占 퐂 / ml) 500 (占 퐂 / ml) 1000 (占 퐂 / ml) Enemy and plum 23.97076 29.70373 32.92292 41.24663 62.31884 plum 13.69988 28.2833 28.07375 28.54944 30.064 Vit. C 12.04309 22.64974 25.68937 36.78338 77.92741

As shown in Table 1 and FIG. 1, the extract of plum and plum showed higher DPPH radical scavenging ability than that of general plum, and it was confirmed that the extract had better effect than vitamin C even at low concentration.

(2) Measurement of ABTS radical scavenging activity

The ABTS radical cation scavenging activity is due to the reaction of 2,2'-Azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS) with potassium persulfate. It is a method to measure both hydrogen donating antioxidant and chain breaking antioxidant by measuring decolorization by light green as added.

Antioxidant activity using ABTS radical was measured by ABTS + cation decolorization assay (Roberta, et al., 1999). After incubation at room temperature for 24 hours, ABTS + was formed and diluted with ethanol, and the sample was added to ABTS + 0.1 mL. 0.1 mL was added, and the mixture was allowed to stand for 1 minute, and the absorbance was measured at 732 nm.

The results of ABTS radical scavenging by concentration of the extract and plum extract are shown in Table 2 and FIG. Plums and vitamin C were used for comparison.

2 is a graph showing the ABTS radical scavenging activity according to the concentration of the extract and plum extract.

10 (占 퐂 / ml) 50 (占 퐂 / ml) 100 (占 퐂 / ml) 500 (占 퐂 / ml) 1000 (占 퐂 / ml) Enemy and plum 22.76257 37.14753 60.52309 83.20392 95.83163 plum 13.69988 28.2833 45.07375 53.54944 75.064 Vit. C 64.85492 81.93707 100.2452 100 100.0817

As shown in Table 2 and FIG. 2, the extract and plum extract showed higher ABTS radical scavenging ability than the general plum, and it was confirmed that the extract had an excellent effect comparable to vitamin C.

<Test Example 2> Measurement of whitening effect

The inhibition activity of tyrosinase for the measurement of whitening effect was measured by the dopachrome method. To the reaction mixture, 10 μl of mushroom tyrosinase (2,000 U / ml) was added to a mixture of 10 μl of the substrate solution and 11 μl of the sample solution containing 110 μl of 0.1 M phosphate buffer (pH 6.5) dissolved in 11.5 mM L-tyrosine and incubated at 37 ° C for 15 minutes And measured at 490 nm. The DOPA oxidation inhibitory activity was measured by the absorbance reduction ratio of the sample solution with and without the sample solution.

Dihydroxy-L-phenylalanine (EC 1.14.18.1), an enzyme containing copper, is an enzyme that inhibits L-tyrosine, DOPA, and DOPA in the early stages of melanin synthesis. L-dopaquinone. Melanocyte mitosis is induced by ultraviolet light and then melanocyte is activated. In activated melanocytes, tyrosinase synthesis is promoted and melanin is produced and transported out of the epidermis, causing pigmentation such as spots and freckles. Therefore, tyrosine activity inhibitors can effectively inhibit the synthesis of melanin polymer in the skin. Thus, the inhibition of tyrosinase activity in the development of skin whitening agents has been recognized as a useful evaluation method. Thus, tyrosinase plays an important role in the melanin biosynthesis process, so tyrosinase inhibitors can be used as a substance capable of controlling melanin pigment production in the skin. 4-hydroxyanisole and hydroquinone, which are tyrosinase inhibitors, have been reported to be effective in the hyper-pigmentation treatment of human body and to inhibit the proliferation of melanoma cells.

The results of inhibition of tyrosinase activity by the concentration of the extract and plum extract are shown in Table 3 and FIG. Plums and vitamin C were used for comparison.

Fig. 3 is a graph showing the inhibitory effect of tyrosinase activity on the concentration of the extract and plum extract. Fig.

10 (占 퐂 / ml) 50 (占 퐂 / ml) 100 (占 퐂 / ml) 500 (占 퐂 / ml) 1000 (占 퐂 / ml) Enemy and plum 17.08959 26.20404 37.54531 46.55619 45.83118 plum 15.69988 25.2833 27.07375 31.54944 35.064 Vit. C 58.1564 78.61212 89.12481 100.0518 99.32677

As shown in Table 3 and FIG. 3, it was confirmed that the extract and plum extract showed a higher tyrosinase activity inhibitory effect than that of the common plum.

Test Example 3 Measurement of astringent effect

One of the functions that prevents skin aging and maintains healthy skin is convergence. The principle of convergence is the phenomenon that the skin contracts due to the formation of crosslinks by binding with the polymer flavonoids of the skin protein. The astringent agent has an action to shrink the skin and the mucosal blood vessels and has an effect of inhibiting the secretion of mucus by interrupting the cell gap and the lymphatic gap. In addition, since astringent agent has a property of binding to protein, it can generally judge degree of convergence effect according to degree of binding of hemoglobin protein with extract. Therefore, the convergence effect is to give the skin a sense of resilience and flexibility by contracting excessively opened pores and pores.

To measure the convergence effect, hemoglobin, a blood protein similar to the skin protein, was used. Each sample solution and hemoglobin solution (500ppm) were mixed in a ratio of 1: 1, shaken, and centrifuged at 1,500 rpm for 3 minutes, and the absorbance was measured at 576 nm. The measurement of the convergence effect is shown by the absorbance decreasing rate of the sample solution addition group and the no addition group as shown in the following equation (1).

Figure pat00001

Convergence effects of the red and plum extracts by concentration are shown in Table 4 and FIG. Common plums and epigallocatechin gallate (EGCG) were used for comparison.

4 is a graph showing the astringent effect according to the concentration of the plum and plum extract.

10 (占 퐂 / ml) 50 (占 퐂 / ml) 100 (占 퐂 / ml) 500 (占 퐂 / ml) 1000 (占 퐂 / ml) Enemy and plum -11.2396 13.61593 65.83173 85.42068 96.08221 plum -10.6999 15.2833 65.07375 81.54944 92.064 Vit. C 20.84718 72.59136 98.58804 99.37708 99.25249

As shown in Table 4 and FIG. 4, the red and plum extracts showed better astringent effect than common plums, and at high concentrations, the effect was similar to that of epigallocatechin gallate (EGCG).

Test Example 4 Measurement of wrinkle improvement effect

Elastase inhibitory activity was measured as follows. 0.5 mL of porcine pancreas elastase (2.5 U / mL) dissolved in 50 mM tris-HCl buffer (pH 8.6) was added to the test tube, and 50 mM tris-HCl buffer N-succinyl- (L-Ala) 3-p-nitroanilide (0.5 mg / mL) was added to the reaction solution for 20 minutes to measure the amount of p-nitroanilide produced from the substrate at 405 nm. Elastase inhibitory activity was expressed by the absorbance reduction ratio of the sample solution with and without the sample solution.

The matrix-metalloproteinases (MMPs) present in the dermal layer of skin induced by ultraviolet and reactive oxygen species are closely related to skin aging, especially wrinkle formation. The major constituents of MMPs are collagenase, gelatinase and elastase, which are reduced in elasticity and elasticity due to external stresses such as ultraviolet rays, and the elastin network structure by over-expressed elastase As it breaks, the skin becomes sagging and wrinkles, so it is very important to reduce the elasticity of the skin and reduce the activity of elastase in wrinkle formation. Elastase, which hydrolyzes elastin, is an enzyme associated with skin wrinkles, and the effects of red and plum extract on elastase activity were observed.

Convergence effects of the extracts of plum and plum extracts are shown in Table 5 and FIG. 5 below. For comparison, plum and ursolic acid were used.

5 is a graph showing an effect of inhibiting elastase according to the concentration of the extract and plum extract.

10 (占 퐂 / ml) 50 (占 퐂 / ml) 100 (占 퐂 / ml) 500 (占 퐂 / ml) 1000 (占 퐂 / ml) Enemy and plum 0.632358 7.655567 30.46754 45.72486 62.66398 plum -1.03284 2.036841 13.36847 28.21685 34.99514 Vit. C 42.57948 66.94433 80.13328 82.0075 86.69999

As shown in Table 5 and FIG. 5, the red and plum extracts showed better inhibitory effects on elastase than common plums, and showed similar effects to those of uric acid.

As described above, the composition comprising the extract and the plum extract of the present invention as an effective ingredient has excellent effects on antioxidation, skin whitening, convergence and wrinkle improvement, and is free from cytotoxicity and skin side effects, and is useful as a cosmetic composition, a pharmaceutical composition and a food composition Lt; / RTI &gt; In addition, it is useful not only for environmental conservation but also for economic purposes, by utilizing agricultural processing by-products which are abolished in large quantities.

Claims (3)

A cosmetic composition for antioxidation, skin whitening, convergence or wrinkle improvement comprising an extract and plum extract as an active ingredient. A pharmaceutical composition for antioxidation, skin whitening, convergence or wrinkle improvement comprising an extract and plum extract as an active ingredient. A food composition for antioxidant, skin whitening, convergence or wrinkle improvement comprising an extract and plum extract as an active ingredient.
KR1020170019824A 2017-02-14 2017-02-14 A composition for skin whitening, anti-oxidating, astringent or anti-wrinkle comprising extracts of unripe plum KR20180093560A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102199082B1 (en) * 2019-07-11 2021-01-06 인하대학교 산학협력단 Pharmaceutical composition for preventing or treating vitiligo or canities comprising extract of Prunus armeniaca as an active ingredient
KR102291441B1 (en) * 2020-02-19 2021-08-20 계명대학교 산학협력단 Composition for skin whitening comprising plum seed extract

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102199082B1 (en) * 2019-07-11 2021-01-06 인하대학교 산학협력단 Pharmaceutical composition for preventing or treating vitiligo or canities comprising extract of Prunus armeniaca as an active ingredient
KR102291441B1 (en) * 2020-02-19 2021-08-20 계명대학교 산학협력단 Composition for skin whitening comprising plum seed extract
WO2021167269A1 (en) * 2020-02-19 2021-08-26 계명대학교 산학협력단 Whitening composition comprising plum seed extract as active ingredient

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