Nourishing and moisturizing mask
A technology of wet face and facial mask, applied in cosmetics, skin diseases, cosmetic preparations, etc., can solve skin side effects, physical disadvantages and other problems, achieve the effect of reducing acne, prolonging the action time, and improving the activity of substances
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[0021] The preparation method of the ground flower extract described in Examples 1 to 5 includes: washing the ground flower and cutting into thin slices, drying and pulverizing into powder, passing through a 100-mesh sieve, adding distilled water at a mass ratio of 1:60, and placing it in a water bath at 100 ° C. Extract in a pot for 2 hours, centrifuge the extract at 6000r / min, repeat the extraction of the precipitate twice, concentrate the supernatant to 1 / 3 of the original volume by a rotary evaporator, add 3 times the volume of absolute ethanol, ethanol analysis at 4°C, Centrifuge, wash the precipitate twice with acetone and ether, remove protein by Sevag method, remove small molecules by dialysis bag dialysis, concentrate the dialysate and vacuum freeze-dry.
[0022] The preparation method of the extract of P. chinensis described in Examples 1 to 5 comprises: washing and drying P. chinensis, crushing through a 60-mesh sieve, adding anhydrous ether, heating and degreasing i...
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