Yisheng granules and preparation method thereof
A technology of granules and prescriptions, which is applied in the field of medicine, can solve the problems of inaccurate curative effect and low bioavailability, and achieve definite curative effect, simple preparation process and good therapeutic effect
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Embodiment 1
[0014] Take tangerine peel, dandelion, angelica, Bupleurum and add 12 times the amount of water, soak for 2 hours, steam distillation for 6 hours to extract the volatile oil, the distilled aqueous solution is collected in a separate container, and the dregs of the medicine are mixed with the rest of Astragalus, Scutellaria, Coix Seed 3. Toosendan is decocted twice with water, add 8 times the amount of water for the first time, decoct for 2 hours, add 6 times the amount of water for the second time, decoct for 1.5 hours, combine the decoction, filter, and the filtrate is the same as the above Combine the aqueous solutions, concentrate to a clear paste with a relative density of 1.05-1.10 (60°C), add ethanol to make the alcohol content 60%, refrigerate for 24 hours, filter, recover ethanol from the filtrate under reduced pressure and concentrate to a relative density of 1.05-1.10 (60°C) clear cream is collected in another device. The remaining Radix Paeoniae Alba, Radix Paeoniae...
Embodiment 2
[0016] Pharmacodynamics Test of Yisheng Granules
[0017] 1. In vitro antibacterial test
[0018] 1.1 Preparation of bacteria liquid: take a single colony on the common agar slant medium of 4 test strains of Escherichia coli, Staphylococcus aureus, Candida albicans and Pseudomonas aeruginosa, and inoculate them in 10ml broth culture medium for 16 hours at 37°C After that, dilute it with sterile physiological saline to a concentration of 1.5×108cfu / ml for later use.
[0019] 1.2 Determination of the minimum inhibitory concentration (MIC): Take several small test tubes containing 1ml broth medium, dilute the drug into a series of concentrations according to the two-fold dilution method, and then add the dilutions of each bacterial strain (all diluted to 10 Use after -4) 50 μl, mix well, incubate at 37°C for 24 hours, record the minimum liquid concentration of the test tube clarification, which is the minimum inhibitory concentration, the results are shown in Table 1.
[0020] ...
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