Cosmetic composition comprising extracts of fermented usnea longissima using hypha of cauliflower mushroom as active ingredient
A technology of cosmetic composition and active ingredients, which is applied in the direction of medical preparations, cosmetics, and cosmetic preparations containing active ingredients, which can solve the problems of improving elasticity, staying in the skin, and being difficult to obtain, so as to achieve skin safety and reduce cytotoxicity , Improve skin wrinkles and skin elasticity
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[0025] Specifically, the preparation method of the usnea tremella fermented extract of the present invention comprises: the step of sterilizing the usnea; moistening the sterilized above-mentioned usnea in the culture medium; inoculating the tremella to the moistened above-mentioned usnea a step of obtaining a fermented product by fermenting the mycelium; and a step of extracting the fermented product with an extraction solvent.
[0026] Hereinafter, each step will be described in detail.
[0027] First, sterilize the usnea.
[0028] Sterilization is to utilize high-pressure steam sterilizer (autoclave) to sterilize all bacterial strains that exist in Usnea, carry out under the routine condition of industry. As an example, the step of sterilizing usnea is carried out by performing heat treatment at a temperature of 100° C. to 125° C. for 5 minutes to 30 minutes.
[0029] Next, the sterilized usnea was moistened in the culture medium.
[0030] By making usnea moist in the cu...
Embodiment 1 to Embodiment 4
[0050] Example 1 to Example 4: Preparation of fermented Usnea extract utilizing white fungus mycelia
[0051] Wet after adding 8 wt% of sterilized usnea to sabouraud dextrose broth. After that, relative to the moist Usnea, inoculate 30wt% of the cultured white fungus hyphae, and culture them statically for 5 days, 10 days, 20 days, and 30 days respectively at a temperature of 30°C. 100 g of the obtained fermented product was put into 70% ethanol with a weight ratio of 20 times and extracted at a temperature of 25° C. for 4 hours, then filtered to remove insoluble substances such as bacteria cells, and the solvent was removed by a rotary vacuum concentrator. The yield of the obtained Usnea fermented extract is shown in Table 1 below.
[0052] Table 1
[0053] distinguish Example 1 Example 2 Example 3 Example 4 Fermentation time (day) 5 10 20 30 Yield (%) 3.22 3.14 1.11 3.42
experiment example 1
[0056] Experimental Example 1: Comparing the collagen synthesis function of Usnea fermented extract according to fermentation time
[0057] Form 1 x 10 per well 6 Cells, fibroblasts as normal human epithelial cells were seeded in 48-well microplates and cultured in DMEM medium for 24 hours. The positive control group and the extracts of Examples 1 to 4 and Comparative Example were added at 100 μg / ml, and cultured for 48 hours. After culturing, the amount of IC-type procollagen titanium (PIP) was measured on the supernatant of each well using a collagen kit (Takara Bioengineering, Takara, Japan), and the amount of collagen synthesized therefrom was measured. figure 1 And Table 2 shows the results.
[0058] Table 2
[0059] distinguish Production of PIP-1 (%) control group 100 positive control group (EGF) 116.3 Example 1 81.7 Example 2 146.6 Example 3 125.7 Example 4 138.7 Comparative example 1 88.1
[0060] refer to ...
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