Acne-removing repair cream containing cell growth factors and preparation method thereof
A growth factor and repairing cream technology, applied in medical preparations containing active ingredients, preparations for skin care, pharmaceutical formulas, etc., can solve the problems of difficult to completely remove scars, large side effects of products, long period of acne removal, etc. Wound healing, easy absorption, reducing scar shrinkage effect
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Embodiment 1
[0033] Example 1 Preparation of deep-sea fish skin collagen enzymatic hydrolyzate
[0034] Including the following steps:
[0035] Take the deep-sea fish skin collagen powder, add water according to the solid-liquid ratio of 35g / L, add 0.03% by weight of the deep-sea fish skin collagen powder hydrolyzed cod skin protein, stir for 20 minutes, add 6% of the total weight of the solution compound protease, at temperature Enzymolysis at 50°C and pH value of 6.5 for 8 hours, inactivation of enzyme at 100°C for 10 minutes after the end of the enzymolysis, filtration, concentration of the filtrate under reduced pressure, and drying to obtain enzymatic hydrolyzate of deep-sea fish skin collagen; wherein, the complex protease It is composed of collagenase and bromelain in a weight ratio of 8:1.
Embodiment 2
[0036] Example 2 The preparation of cut melon extract extract
[0037] Including the following steps:
[0038] Take fresh chopped melons, wash and dry the surface moisture, chop and homogenize, add water 12 times the weight of chopped melons, sapinberry saponin with 0.03% of the weight of chopped melons and helicase with 0.8‰ weight of chopped melons, and stir 20min, enzymatic hydrolysis at pH 6.5 and temperature 50°C for 4h, ultrasonic extraction 2 times after enzymolysis, 20min each time, filtration, combined filtrate, filtrate inactivated at 100°C for 8min, filtration, filtrate concentrated under reduced pressure to 30% of the original volume, add ethanol until the alcohol content is 78%, let it stand for 12 hours at a temperature of 10°C, filter, concentrate the filtrate under reduced pressure, and dry to obtain the cut melon extract.
Embodiment 3~5
[0039] The preparation of embodiment 3~5 cell growth factor composite liposome
[0040] In this example, the cell growth factor complex liposome includes the following components in parts by weight: 0.005 parts of recombinant human acidic fibroblast growth factor, 0.0015 parts of heparin sodium, 6 parts of deep-sea fish skin collagen enzymatic hydrolyzate, dentate 5 parts of snake grape leaf extract, 110 parts of hydrogenated lecithin, 3 parts of sodium cholate and 27 parts of cholesterol.
[0041] The preparation method comprises the following steps:
[0042] 1) Take hydrogenated lecithin, sodium cholate and cholesterol, add them into absolute ethanol at a solid-to-liquid ratio of 4 mg / mL, stir and dissolve to obtain solution I;
[0043] 2) Take recombinant human acidic fibroblast growth factor, heparin sodium, enzymatic hydrolyzate of deep-sea fish skin collagen and grape leaf extract, add PBS with a pH of 6.5 at a solid-liquid ratio of 7 mg / mL, stir and dissolve to obtain ...
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