Anti-wrinkle eye cream
The technology of eye cream and black fungus is applied in the directions of cosmetics, preparations for skin care, medical preparations containing active ingredients, etc., and can solve the problems of unclear absorption of eye cream, too sticky anti-wrinkle eye cream, and insignificant functional effect, etc. Achieve the effect of preventing free radical damage to the skin, improving dark circles and eye bags, and good in vitro antioxidant properties
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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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