Compound skin external preparation containing brasenia schreberi, preparation method and application thereof
A technology for external preparations and water chestnuts, applied in skin care preparations, medical preparations containing active ingredients, skin diseases, etc., can solve the problems of limited application of Chinese herbal medicines, the development of Chinese herbal medicines has not been deeply developed, etc., and achieve excellent moisturizing performance and production cost. The effect of low cost and simple preparation process
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Embodiment 1
[0059] 1. Preparation of water shield powder: select 1000g of fresh water shield, wash with water, the volume is 1000ml, spray dry at 4000rpm on a homogenizer at 60°C for 30min, to obtain water shield powder, and set aside.
[0060] 2 Extraction method of stock solution:
[0061] a Add 10g of water shield powder, 10g of licorice powder, and 10g of white fungus powder to 1200ml of pure water, heat and swell at 60°C for 1 hour, and extract with homogenate for 2 hours.
[0062] b Centrifuge (6000rpm, 10min), collect the supernatant, extract the precipitate again, and combine the supernatant.
[0063] c The supernatant was passed through a polyamide column and eluted with deionized water.
[0064] d Filter the effluent, use 200-mesh gauze to filter, then filter paper, filter with a 5-micron membrane, and concentrate by ultrafiltration to 20 times the weight of the dry sample and a volume of 600ml. The prepared stock solution is a transparent viscous solution, slightly opalescent...
Embodiment 2
[0066] 1. Preparation of water shield powder: select 1000g of fresh water shield, wash with water, the volume is 1000ml, spray dry at 4000rpm on a homogenizer at 60°C for 30min, to obtain water shield powder, and set aside.
[0067] 2 Extraction method of stock solution:
[0068] a Add 15g of water shield powder, 5g of licorice powder, and 10g of white fungus powder to 1200ml of pure water, heat and swell at 60°C for 1 hour, and extract with homogenate for 2 hours.
[0069] b Centrifuge (6000rpm, 10min), collect the supernatant, extract the precipitate again, and combine the supernatant.
[0070] c The supernatant was passed through a polyamide column and eluted with deionized water.
[0071] d Filter the effluent, use 200-mesh gauze to filter, then filter paper, filter with a 5-micron membrane, and concentrate by ultrafiltration to 20 times the weight of the dry sample and a volume of 600ml. The prepared stock solution is a transparent viscous solution, slightly opalescent ...
Embodiment 3
[0073] 1. Preparation of water shield powder: select 1000g of fresh water shield, wash with water, the volume is 1000ml, spray dry at 4000rpm on a homogenizer at 60°C for 30min, to obtain water shield powder, and set aside.
[0074] 2 Extraction method of stock solution:
[0075] a Add 20g of water shield powder, 10g of licorice powder, and 10g of white fungus powder to 1600ml of pure water, heat and swell at 60°C for 1 hour, and extract with homogenate for 2 hours.
[0076] b Centrifuge (6000rpm, 10min), collect the supernatant, extract the precipitate again, and combine the supernatant.
[0077] c The supernatant was passed through a polyamide column and eluted with deionized water.
[0078] d Filter the effluent, use 200-mesh gauze to filter, then filter paper, filter with a 5-micron filter membrane, and concentrate by ultrafiltration to 20 times the weight of the dry sample and a volume of 800ml. The prepared stock solution is a transparent viscous solution, slightly opa...
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