Rose petal extract with skin whitening function andskin whitening cosmetic composition containg the same

Abstract

The present invention relates to a skin whitening cosmetic composition, and in particular, utilizing the skin whitening function of a rose petal extract. This has been applied to functional cosmetics. The rose petal extract having a skin whitening function according to the present invention is contained in an amount of 1-15% by weight based on the total weight of the cosmetic composition. And, the ingredients are Red Sandra, Red Corvette, Lotte Rose, and Sasha One or more types are selected from (SACHA) and (LAMBADA).

Description

Technology Field

[0002] The present invention relates to a novel cosmetic ingredient having a whitening function, and in particular to a rose petal extract having a whitening function and a whitening cosmetic composition containing the same. Background Technology The technology forming the background of the present invention begins with extracting cosmetic raw materials having a whitening function. The problem to be solved

[0003] Generally, there are various causes for human skin to darken, but the primary cause, in particular, is skin darkening due to ultraviolet rays. It is exposure. When skin is exposed to ultraviolet rays, melanin within melanocytes, a type of skin cell (melanin) is synthesized and released, causing the skin to turn black.

[0004] If we examine the process of melanin synthesis in melanocytes, tyrosine within the cell acts as a substrate for tyrosine An enzyme called tyrosinase acts to produce dopaquinone, and from dopaquinone, spontaneous Melanin, a copolymer black pigment, is produced through phosphorus and enzymatic reactions.

[0005] Therefore, in order to prevent the skin from turning dark, the aforementioned melanin is inhibited by inhibiting some reactions during the melanin production process. Methods to reduce synthesis are generally easily carried out.

[0006] For such uses, conventionally ascorbic acid, kojic acid, arbutin, and hydroquinone have been used. Various plant extracts, such as hydroquinone, were frequently used. Among these, kojic acid is tyrosinase It acts to inhibit enzyme activity by chelating copper ions present in the active site, and although it has good performance, Its use is restricted due to safety issues when formulated into cosmetics, and hydroquinone is irritating to the skin. Due to this high level, this ingredient is also currently not being applied to cosmetics due to safety concerns. means of solving the problem

[0007] The present invention aims to overcome the problems of existing known natural ingredients having whitening functions, and has skin safety Developing new, previously undiscovered uses as whitening cosmetics from these outstanding and diverse natural plant ingredients It aims to do so. Effects of the invention The rose petal extract according to the present invention and the cosmetic composition containing the same have a previously unknown skin whitening function. By containing it, it has a skin-whitening effect when applied to cosmetics, and at the same time, as a natural plant ingredient, for the skin It has the advantage of being less irritating, making it significantly more advantageous in terms of safety compared to existing ingredients. Brief explanation of the drawing

[0001] Figure 1 shows the inhibition rate of melanocyte production by the extract according to the present invention and the comparative extract using B-16 melanocytes. Photo showing the results of the visual inspection. Figure 2 is a graph showing the experimental results of the improvement effect on UV pigmentation using brown guinea pigs. Specific details for implementing the invention

[0008] Accordingly, the rose, which is used in high-end perfumes and the like and is known for its skin-soothing and irritation-relieving effects, has its petals... As it has been revealed that extracting only [specific component] separately has a whitening effect, the present invention relates to a rose flower having a skin whitening function. It provides leaf extracts.

[0009] The present invention also includes roses that serve as the raw material for the extract, such as Red Sandra and Red Corvette. Characterized by selecting one or more types from ROTTE ROSE, SACHA, and LAMBADA Provides rose petal extract that has skin whitening function.

[0010] The present invention also comprises, as an extraction solvent, one or two selected from 1,3-butylene glycol, propylene glycol, and ethanol A rose petal extract having skin whitening function, characterized by using an aqueous solution of the above mixture, further Provides

[0011] The present invention also relates to a skin whitening method characterized by comprising a rose petal extract having the skin whitening function. Further provides a cosmetic composition.

[0012] The present invention also relates to a flower petal extract characterized by containing 1-15% by weight of the rose petal extract relative to the total composition. A cosmetic composition for whitening is further provided.

[0013] The present invention also relates to a sun among softening lotions, nourishing lotions, nourishing fluids, emulsified creams, massage creams, essences, and packs. The present invention further provides a cosmetic composition for skin whitening characterized by having one selected formulation.

[0014] The present invention will be described in more detail below.

[0015] All rose varieties can be used to apply the rose petal extract for the skin whitening function of the present invention.

[0016] Varieties that can be particularly preferably used in the present invention include hybrid tea roses, which are a representative form of cut roses. Red Sandra, a member of the Hybrid Tea Rose (HT., Four-season Large-flowered Rose, Scientific name: Rosa delecta), and There are Red Corvette and Rotte Rose, among others.

[0017] Red Sandra is a variety bred by the German breeding company Kordes and introduced to Korea in the 1980s. It is currently in the spotlight as the variety with the best marketability. The color is red, and the cut flower length is about 70-80 cm. In addition, the Red Corvette is a reddish-orange variety bred by Kordes and released in 1992, with a cut flower length of approximately It is 80cm. Lotte Rose is a variety produced in Japan with red flowers and long, wide, dark green cut stems. This is a characteristic feature. In addition, of the Floribunda (Florbunda Rose: FL., four-season medium-flowered, scientific name: Rosa borboniana) The lineages Sacha and Lambada were used. Sacha is a red variety bred by Kordes. It is. The cut flower height is 50-60cm. In addition, Lambada is an orange variety discovered by Kordes in 1989. C. The length of the cut flower is 50-70 cm.

[0018] In the present invention, only the petals of the above-mentioned roses are separated, washed, and then dried to remove moisture, which are used as raw materials. This dried product was extracted in a mixture of 2-4 times its dry weight in purified water and a preservative, using 1,3-butylene glycol and propyl disulfide as extraction solvents. Len glycol or ethanol is added. Afterward, the mixture is aged sufficiently and filtered to obtain an extract.

[0019] The manufactured rose petal extract is used in conventional basic cosmetics, for example, softening lotions (skin toner), nourishing lotions (milk lotion), It is added to nourishing creams, massage creams, essences, packs, etc.

[0020] At this time, the amount of rose petal extract added is 1-15% by weight, preferably 9-11% by weight, based on the total weight of the cosmetic composition. %am.

[0021] Hereinafter, in embodiments of the present invention, an extract made from rose petals of various varieties and a cosmetic composition containing the same We manufactured and conducted comparative experiments on skin safety and whitening functions with cosmetics containing known whitening ingredients. The following experiments were performed. The various composition ratios, manufacturing methods, etc. disclosed in the examples are merely selected examples for explaining the present invention, and the scope of the present invention should not be unduly narrowed by these examples.

[0022] Preparation Example 1: Preparation of Rose (Red Sandra) Petal Extract 1

[0023] Mix 100g of Red Sandra flower petals washed with purified water and dried, 400g of purified water, and an appropriate amount of preservative, and here 500g of 1,3-butylene glycol was mixed as an extraction solvent. Afterwards, after sufficient aging, filter paper (5C, The extract was obtained by filtering with a 110mm filter (Toyo Roshi Kaisha, Ltd., Japan).

[0024] Preparation Example 2: Preparation of Rose (Red Corvette) Petal Extract 2

[0025] Mix 100g of red corvette petals washed with purified water and dried, 400g of purified water, and an appropriate amount of preservative, and to this 500g of propylene glycol was mixed as an extraction solvent. After sufficient aging, filter paper (5C, 110mm : Toyo An extract was obtained by filtering with Roshi Kaisha, Ltd. (Japan).

[0026] Preparation Example 3: Preparation of Rose (Lotte Rose) Petal Extract 3

[0027] Mix 100g of Lotte Rose petals washed with purified water and dried, 400g of purified water, and an appropriate amount of preservative, and to this 500g of ethanol was mixed as an extraction solvent. After sufficient aging, filter paper (5C, 110mm: Toyo Roshi An extract was obtained by filtering with Kaisha, Ltd. (Japan).

[0028] Preparation Example 4: Preparation of Rose (Red Corvette) Petal Extract 4

[0029] Mix 100g of red corvette petals washed with purified water and dried, 400g of purified water, and an appropriate amount of preservative, and to this 500g of propylene glycol was mixed as an extraction solvent. After sufficient aging, filter paper (5C, 110mm : Toyo An extract was obtained by filtering with Roshi Kaisha, Ltd. (Japan).

[0030] Preparation Example 5: Preparation of Rose (Lambada) Petal Extract 5

[0031] Mix 100g of lambada flower petals washed with purified water and dried, 400g of purified water, and an appropriate amount of preservative, and to this extract 500g of propylene glycol was mixed as a solvent. After sufficient aging, filter paper (5C, 110mm : Toyo Roshi An extract was obtained by filtering with Kaisha, Ltd. (Japan).

[0032] Next, the melanin production inhibition rate of the rose petal extracts prepared in Preparation Examples 1 to 5 above was tested.

[0033] Experimental Example 1: Evaluation Test of Melanocyte Production Inhibitory Performance of Rose Petal Extract

[0034] B-16 melanoma cells (distributed by Yonsei University College of Medicine, Wonju) were used with respect to the rose extracts prepared in Preparation Examples 1 to 5. The whitening effect used was measured.

[0035] As a measurement method, B-16 melanoma cells derived from black mice were treated with 10% FBS (GIBCO Ltd., USA). 2 x 10⁻⁶ in DMEM medium (GIBCO, USA) on 96-well tissue culture plates (NUNC, Denmark) 4 Add 2ml at cell / well concentration, and It was cultured for 24 hours under conditions of 5% CO2 and 37℃.

[0036] After incubation, remove the medium and add 10% FBS, 2µM α-MSH (melanocyte-stimulating hormone) (SIGMA, USA), and 2mM thiophylline. After replacing with DMEM containing theophilline (SIGMA, USA), the rose extract was appropriately diluted with the same medium. After adding, the cells were cultured under 5% CO2, 37℃ conditions until they filled more than 80% of the bottom of the well.

[0037] After incubation, the medium was removed, washed with PBS, and treated with trypsin to recover the cell pellet. The recovered pellet The sample was transferred to an Eppendorf tube and centrifuged at 10,000 rpm for 10 minutes, after which the supernatant was removed. After drying the pellet from which the supernatant had been removed at 60°C, 1N NaOH was added to the pellet to dissolve the melanin inside the cells. Dilute an appropriate amount of dissolved melanin with PBS and measure at 490 nm using an ELISA reader (UV-max, MOLECULAR DEVICES, USA). The absorbance was measured, and the melanin production inhibition rate of the added rose extract was calculated using no addition as a control. (Table 1). Then, after taking photographs with a video microscope, visual inspection was performed (Fig. 1).

[0038] In Fig. 1, C is the control group, S is Red Sandra, V is Red Corvette, R is Lotte Rose, H is Sasha, L is Lambada, and A is Albu. Tin and B represent the liquid that underwent the process of Experimental Example 1 with respect to ascorbic acid, respectively. Explanation of the symbols -

Claims

Claim 1 Rose petal extract with skin whitening function.

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