Anti-wrinkle eye cream
A technology of eye cream and black fungus, which is applied in cosmetics, cosmetic preparations, dressing preparations, etc., can solve the problems of unclear absorption of eye cream, too sticky anti-wrinkle eye cream, and ineffective functional effect, etc., to prevent free radicals Damaged skin, improvement of dark circles and bags under the eyes, good in vitro antioxidant effect
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Embodiment 1
[0039] Take 5g of selenium-enriched black fungus dry powder, crush it to 50 mesh, use deionized water as the extraction solvent, the ratio of solid to liquid is 1:40, the ultrasonic power is 300W, ultrasonically extract at 60°C for 10min, and then concentrate on a rotary evaporator after suction filtration , alcohol precipitation twice, deproteinized by Sevag method, washed three times with acetone and ether, and vacuum freeze-dried to obtain selenium-enriched black fungus selenium polysaccharide.
Embodiment 2
[0041] The preparation process of selenium-enriched black fungus selenium polysaccharide is to take 15g of selenium-enriched black fungus dry powder, crush it to 150 mesh, use deionized water as the extraction solvent, the ratio of solid to liquid is 1:100, ultrasonic power is 450W, and ultrasonic extraction is carried out at 75°C for 45min. After suction filtration, concentrate on a rotary evaporator, alcohol precipitation twice, deproteinize by Sevag method, wash with acetone and ether three times, and vacuum freeze-dry to obtain selenium-enriched black fungus selenium polysaccharide.
Embodiment 3
[0043] The preparation process of selenium-enriched black fungus selenium polysaccharide is to take 25g of selenium-enriched black fungus dry powder, crush it to 200 mesh, use deionized water as the extraction solvent, and the ratio of solid to liquid is 1:160), ultrasonic power 600W, ultrasonic extraction at 90°C for 80min , after suction filtration, concentrated on a rotary evaporator, alcohol precipitation 3 times, deproteinized by Sevag method, washed 4 times with acetone and ether, and vacuum freeze-dried to obtain selenium-enriched black fungus selenium polysaccharide.
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