Facial mask with rhus chinensis leaf extract and method for preparing facial mask
A kind of technology of the leaves and extracts of Salmonella, applied in skin care preparations, pharmaceutical formulas, cosmetic preparations, etc., can solve the problems of facial skin allergies, heavy metals exceeding the standard, etc., and achieve the effects of delaying aging, reducing wrinkles, and improving adhesion Effect
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Embodiment 1
[0049] Preparation of Leaf Extract of Salpus
[0050] 1). Dried the leaves of Saltina, crushed and sieved to obtain 20kg of the powder of Saltfordia leaves with a specification of 60 meshes, put it into the extraction tank, then add 200kg of ethanol solution with a volume concentration of 30%, and heat up to 60°C under stirring. After extracting at ℃ for 1 hour, filter and release the liquid, put it in a centrifuge and centrifuge at a speed of 3000r / min for 10 minutes to obtain the extract;
[0051] 2). Repeat step 1) to extract twice again, and combine the extracts;
[0052] 3). Perform microfiltration and ultrafiltration on the extract obtained in step 2), and filter out macromolecular particles, proteins and most of the pigments in the extract. Wherein, a microfiltration membrane with a specification of 100000D is used in the microfiltration process, and Ultrafiltration membrane with a specification of 5000D is used in ultrafiltration;
[0053] 4). The extract obtained in...
Embodiment 2
[0058] Preparation of Leaf Extract of Salpus
[0059] 1). Dried the leaves of Saltina, crushed and sieved to obtain 20kg of Saltfordia leaf powder with a specification of 40 mesh, put it into the extraction tank, add 200kg of deionized water, heat up to 80°C for 2 hours under stirring, and then filter Release the liquid, put it into a centrifuge and centrifuge at 3000r / min for 15min to obtain the extract;
[0060] 2). Repeat step 1) to extract twice again, and combine the extracts;
[0061] 3). Perform microfiltration and ultrafiltration on the extract obtained in step 2), and filter out macromolecular particles, proteins and most of the pigments in the extract. Among them, the microfiltration process uses a microfiltration membrane with a specification of 100000D , and the ultrafiltration membrane with a specification of 5000D is used in ultrafiltration;
[0062] 4). The extract obtained in step 3) is concentrated by distillation under reduced pressure until the weight of t...
Embodiment 3
[0067] Preparation of Leaf Extract of Salpus
[0068] 1). Dried the leaves of Saltina, crushed and sieved to obtain 20kg of Saltfordia leaf powder with a specification of 50 meshes, put it into an extraction tank, add 200kg of ethanol solution with a volume concentration of 30%, and heat up to 70°C under stirring After extracting for 1.5 hours, filter and release the liquid, put it in a centrifuge and centrifuge at a speed of 3000r / min for 13 minutes to obtain the extract;
[0069] 2). Repeat step 1) to extract twice again, and combine the extracts;
[0070] 3). Perform microfiltration and ultrafiltration on the extract obtained in step 2), and filter out macromolecular particles, proteins and most of the pigments in the extract. Among them, the microfiltration process uses a microfiltration membrane with a specification of 100000D , and the ultrafiltration membrane with a specification of 5000D is used in ultrafiltration;
[0071] 4). The extract obtained in step 3) is conc...
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