Folium sauropi extract with anti-inflammatory and antitussive effects and folium sauropi extract preparation
A technology of dragon leaf and extract, which is applied in the field of medicine to achieve the effects of high extraction rate, inhibition of hyperplasia, and safe operation
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[0050] A dragon leaf extract with anti-inflammatory and cough-relieving effects, prepared according to the following steps:
[0051] (1) Weigh 8250g of dried leaves of Longli leaves and crush them. After crushing, add 7 times the amount of 75% ethanol as a solvent to soak for 7 days, then extract by percolation, collect the extracts of Longli leaves and recover ethanol, and evaporate Longli to dryness in a water bath Leaf extract obtains 3170g Longli Leaf Extract A;
[0052] (2) Weigh 2942.10g of Longli Leaf Extract A and dissolve it with an appropriate amount of distilled water. After dissolving, add an equal volume of petroleum ether and ethyl acetate for extraction, collect the Longli Leaf extract obtained from ethyl acetate extraction, and recover acetic acid Ethyl ester, evaporated in a water bath to dry Longli leaf extract to obtain 160.48g Longli leaf extract B;
[0053] (3) Mix the above-mentioned dragon leaf extract A and dragon leaf extract B to obtain the dragon le...
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