A kind of preparation method and application of liposome containing rose fermented liquid
A fermented liquid and liposome technology, which is applied in the direction of medical preparations containing active ingredients, skin care preparations, pharmaceutical formulas, etc., can solve the problems of easy degradation, poor cell penetration, low bioavailability, and poor stability and other problems, to achieve the effect of promoting penetration and remodeling the skin barrier, the preparation method is simple, and the production cost is low
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preparation example 1
[0050] (1) Preparation of rose fermentation substrate: The dried rose buds were crushed and passed through a 100-mesh sieve, and water was added to prepare a mixed solution with a mass concentration of 10%, which was sterilized at 121° C. for 15 minutes to obtain a rose fermentation substrate.
[0051] (2) Bacterial activation: Dip Bacillus natto CICC 10262 with a sterilized bamboo stick, streak the solid activated medium according to the plate streak method, and invert aerobic cultivation in a constant temperature incubator at 37°C for 15-20h , to obtain an activated Bacillus natto CICC 10262 strain.
[0052] Dip Lactobacillus bulgaricus CICC 20271 with a sterilized bamboo stick, streak on the solid activated medium according to the plate streaking method, and invert anaerobic cultivation in a constant temperature incubator at 37°C for 15-20 hours to obtain the activated Lactobacillus bulgaricus CICC20271 strain .
[0053] Dip the Saccharomyces cerevisiae CICC 1252 with a st...
Embodiment 1
[0082] Utilize the rose fermentation liquid prepared in Preparation Example 1 to prepare liposomes, and the preparation method of described liposomes comprises the steps:
[0083] (a) Dissolve 100 g of complex phospholipids, 300 g of cholesterol and 30 g of ceramides in a rotary evaporation flask in an appropriate amount of absolute ethanol, and ultrasonically until completely dissolved, wherein the complex phospholipids are a mixture of soybean phospholipids and hydrogenated soybean phospholipids, soybean phospholipids and hydrogenated soybean phospholipids The mass ratio of phospholipids is 10:1;
[0084] (b) the dehydrated alcohol is evaporated with a rotary evaporator, and a uniform and transparent lipid film is formed on the wall of the rotary evaporator, the evaporation temperature is 55 ° C, the evaporation time is 2.5h, and the rotating speed is 50rpm;
[0085](c) 10g rose fermentation broth and 200g pH value are that phosphate buffered solution is added in the describ...
Embodiment 2
[0087] Utilize the rose fermentation broth prepared in Preparation Example 11 to prepare liposomes, and the preparation method of the liposomes comprises the following steps:
[0088] (a) Dissolve 350 g of complex phospholipids, 175 g of cholesterol and 65 g of ceramides in a rotary flask in an appropriate amount of anhydrous ethanol, and sonicate until completely dissolved, wherein the complex phospholipids are a mixture of soybean phospholipids and hydrogenated soybean phospholipids, soybean phospholipids and hydrogenated soybean phospholipids The mass ratio of phospholipids is 7.5:1;
[0089] (b) the dehydrated alcohol is evaporated with a rotary evaporator, a uniform and transparent lipid film is formed on the wall of the rotary evaporator, the evaporation temperature is 60° C., the evaporation time is 2h, and the rotating speed is 75rpm;
[0090] (c) 15g rose fermentation broth and 150g pH value of phosphate buffered solution of 7.4 were added to the rotary flask, mixed u...
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