Moisture preserving composition and preparation method thereof
A composition and plant extraction technology, which is applied in the direction of pharmaceutical formulations, cosmetic preparations, dressing preparations, etc., can solve the problems of moisturizing effect staying on the surface, active ingredients are easy to oxidize, and poor moisturizing effect persistence, so as to continuously replenish the skin Moisture, good moisturizing effect, prolonged moisturizing effect
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Embodiment 1
[0033] Embodiment 1, the preparation of balsam pear extract
[0034] Wash and remove the seeds of the bitter gourd, add water 5 times the weight of the raw material of the above bitter gourd, heat and reflux to extract twice, each time for 2 hours, filter, and combine the filtrates to obtain the bitter gourd extract.
Embodiment 2
[0035] Embodiment 2, the preparation of purslane extract
[0036] Wash and dry the purslane, add the above-mentioned purslane raw material weight 4 times the concentration of 70% ethanol solution, extract 2 times at a temperature of 15°C, each time for 2h, filter, combine the filtrate, and decompress the filtrate Recover ethanol to obtain purslane extract.
Embodiment 3
[0037] Embodiment 3, the preparation of mallow extract
[0038] Wash and dry the mallow, add 75% ethanol solution twice the weight of the above-mentioned mallow raw material, ultrasonically extract twice, the power of the ultrasonic wave is 450W, 2h each time, filter, combine the filtrate, and recover the filtrate under reduced pressure ethanol to obtain the mallow extract.
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