Preparation method of traditional Chinese medicine and western medicine composition for treating chronic gastric ulcer
A technology for chronic gastric ulcers and Chinese and Western medicines, which can be used in drug combinations, pharmaceutical formulations, medical preparations containing active ingredients, etc., and can solve problems such as secondary injury
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Embodiment 1
[0028] A kind of preparation method of Chinese and western medicine composition for the treatment of chronic gastric ulcer of the present embodiment, comprises the following steps:
[0029] Step 1: get cimetidine and add the mixed solution of acetonitrile / water, stir and dissolve, the stirring speed is 6r / min, and the stirring time is 8min, then sequentially add solubilizing agent, leaching auxiliary agent wherein, continue to stir 12min, then add to Add Desmodium doped with Astragalus extract and propolis, continue to stir for 4 minutes, and then carry out suction filtration;
[0030] Step 2: Lower the filtrate in step 1 to 5°C, slowly add 0.2% n-butyl ether in the total amount of the filtrate dropwise, continue to cool down and crystallize, heat and stir until the crystallization is complete, grow crystals, filter with suction, wash with water, and dry to obtain white Crystalline powder.
[0031] The mass ratio of cimetidine and Desmodium doped with Astragalus extract in th...
Embodiment 2
[0040] A kind of preparation method of Chinese and western medicine composition for the treatment of chronic gastric ulcer of the present embodiment, comprises the following steps:
[0041] Step 1: get cimetidine and add the mixed solution of acetonitrile / water, stir and dissolve, the stirring speed is 10r / min, and the stirring time is 14min, then sequentially add solubilizing agent, leaching auxiliary agent wherein, continue to stir 16min, then add to Add Desmodium doped with Astragalus extract and propolis, continue to stir for 10 minutes, and then carry out suction filtration;
[0042] Step 2: Lower the filtrate in step 1 to 5°C, slowly add 0.6% n-butyl ether of the total amount of the filtrate dropwise, continue to cool down and crystallize, heat and stir until the crystallization is complete, grow crystals, filter with suction, wash with water, and dry to obtain white Crystalline powder.
[0043] The mass ratio of cimetidine and Desmodium doped with Astragalus extract in...
Embodiment 3
[0052] A kind of preparation method of Chinese and western medicine composition for the treatment of chronic gastric ulcer of the present embodiment, comprises the following steps:
[0053] Step 1: get cimetidine and add the mixed solution of acetonitrile / water, stir and dissolve, the stirring speed is 8r / min, and the stirring time is 11min, then sequentially add solubilizing agent, leaching auxiliary agent wherein, continue to stir for 14min, then add to Add Desmodium doped with Astragalus extract and propolis, continue to stir for 7 minutes, and then carry out suction filtration;
[0054] Step 2: Lower the filtrate in step 1 to 5°C, slowly add 0.4% n-butyl ether in the total amount of the filtrate dropwise, continue to cool down and crystallize, heat and stir until the crystallization is complete, grow crystals, filter with suction, wash with water, and dry to obtain white Crystalline powder.
[0055] The mass ratio of cimetidine and Desmodium doped with Astragalus extract ...
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