Medicine for preventing and treating flu
A technology of drugs and APIs, applied in the field of influenza prevention and treatment drugs, can solve the problems of influenza virus mutation, chemical drugs and influenza virus vaccines are difficult to exert the best therapeutic and preventive effects, and achieves less side effects, abundant drug sources, and broad development. Foreground effect
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preparation example Construction
[0047] The present invention also provides the preparation method of above-mentioned medicine, it comprises:
[0048] The first step is to cut the frankincense, herb, heterophylla, ephedra, houttuynia cordata, goosegrass, five spice grass, and mulberry into coarse particles, mix them together, and then put them in alcohol concentration of 70% to 80%. In ethanol, the ethanol is submerged in the above raw material drug mixture, soaked for more than 2 hours, then add ethanol with an alcohol concentration of 70% to 80%, which accounts for 8 times the total mass of the above raw material drug mixture, and heat and reflux for extraction for 2 hours, cool, filter, Adding ethanol with an alcohol concentration of 70% to 80% in an amount accounting for 6 times the total mass of the raw drug mixture to the filter residue again, heating and refluxing for extraction for 2 hours, filtering, and mixing the filtrates filtered twice to obtain the first filtrate;
[0049] In the second step, cu...
experiment example 2
[0072] Experimental example 2: Cumulative toxicity test:
[0073] Capsules of the present invention 1 pair of mice press 7.69, 19.18 and 43.21g crude drug / kg continuous medication 15 weeks (1.0ml / 100g body weight, every day 2 times) and after drug withdrawal 3 weeks, the result shows: the Chinese medicine preparation of the present invention is effective on rats. Hair, behavior, defecation, body weight, organ weight, blood picture, liver and kidney function, blood sugar, blood lipid and other indicators had no significant impact, and no abnormal changes were found in the organs with the naked eye, and the results of histological examination showed that after 15 weeks of medication and withdrawal After 3 weeks, there was no obvious change in the organs of the rats. It shows that the traditional Chinese medicine preparation capsule 1 of the present invention has little toxicity to rats after long-term administration, and there is no abnormal reaction after drug withdrawal, so th...
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