The promoting effect of snow lotus extract on the vitality of skin cells and its application in skin external preparations
A technology of snow lotus extract and skin external preparation, which is applied to the promotion effect of snow lotus extract on skin cell vitality and its application field in skin external preparation
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Embodiment 1
[0042] Embodiment 1: the preparation of snow lotus flower extract
[0043] Snow lotus coarse powder→70% ethanol (volume concentration) leaching at normal temperature→filtering→concentrating the filtrate under reduced pressure→filtering→quantifying to 1 times the quality of the crude drug to obtain the snow lotus extract. The crude drug concentration is 1g / g, and the solid content is 12.02%.
Embodiment 2
[0044] Embodiment 2: the preparation of snow lotus flower extract
[0045] Snow lotus coarse powder→50% ethanol (volume concentration) leaching at normal temperature→filtering→concentrating the filtrate under reduced pressure→filtering→quantifying to 1 times the quality of the crude drug to obtain the snow lotus extract. The crude drug concentration is 1g / g, and the solid content is 10.87%.
Embodiment 3
[0046] Embodiment 3: the preparation of snow lotus flower extract
[0047] Snow lotus coarse powder → 80% ethanol (volume concentration) leaching at room temperature → filtration → filtrate concentrated under reduced pressure → filtration → quantification to 1 times the quality of the crude drug to obtain the snow lotus extract. The crude drug concentration is 1g / g, and the solid content is 11.25%.
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