New use of angelica sinensis or its extract in preparing skin care products
A technology of angelica extract and skin care products, applied in the field of cosmetics, can solve problems such as no reports related to angelica or its extract, and achieve the effects of improving skin color and health status, moisturizing function, and preventing pigmentation
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[0019] The following is the preparation and screening process test of the Angelica sinensis extract of the present invention.
[0020] Choice of Experimental Conditions
[0021] 1. Selection of extraction solvent Use water and ethanol of different concentrations as solvents, adopt the extraction method of heating and reflux, analyze and measure, and compare the results, see Table 1.
[0022] Accurately weigh 60g of angelica powder that can pass through a 0.6mm sieve and place it in a three-necked flask, add 4200ml of solvent, soak for 2 hours and then reflux for extraction, keep it for 1 hour after boiling, replenish the lost solvent, and filter the extract with a 0.45um filter membrane. That is the angelica extract. Analytical determination.
[0023] Table 1 Selection of extraction solvent
[0024] solvent
water
50% v / v ethanol
75% v / v ethanol
100% v / v ethanol
Ligustilide
0.0781%
0.397%
0.455%
0.455%
ferulic a...
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