Dendrobium nobile polysaccharide herbal face cream and preparation method thereof
A technology of Dendrobium nobile and herbal face cream, which is applied in the direction of pharmaceutical formulations, cosmetic preparations, dressing preparations, etc., can solve the problems of inability to resist oxidation, and achieve skin protection, fibroblast growth, anti-wrinkle, and removal of harmful substances Effect
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[0025] Embodiment 1: a preparation method of Dendrobium nobile polysaccharide anti-wrinkle and anti-oxidation face cream, specifically comprising the following steps:
[0026] (1) Extraction of polysaccharides from Dendrobium nobile: take 1000g of dried stems of Dendrobium nobile, boil in 20L water for 3h, repeat the extraction three times, combine the filtrate and concentrate to 500mL, add 2L absolute ethanol to ethanol precipitation for 12h, take the precipitated part and centrifuge at 4000r / min for 20min , the precipitate was dissolved in 500mL of water, and the ethanol was evaporated for later use. Take 500g of D101 macroporous adsorption resin and pretreat with 95% ethanol for 24 hours. After washing the ethanol with distilled water, pour the concentrated total sugar of Dendrobium nobile into the macropore of D101 Soak in the adsorption resin for 24 hours, wash with distilled water three times, and wash with 10% ethanol once, combine the filtrates, concentrate, freeze-dry ...
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