Medicine for treating cardiac and cerebral vascular diseases and its preparation
A technology for cardiovascular and cerebrovascular diseases and pharmaceutical preparations, which is applied to cardiovascular system diseases, drug combinations, and pharmaceutical formulations. It can solve the problems of low toxicity and side effects, and achieve the effects of low toxicity, good curative effect, and significant therapeutic effect
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Embodiment 1
[0027] (1) Take 1000g of honeysuckle and add 10 times the amount of ethanol (75%), reflux extraction 3 times, 2, 3, 2 hours respectively, combine the extracts, concentrate until each 1ml is equivalent to 1.0g of crude drug, add the same amount of water, and refrigerate After 30 hours, filter, recover ethanol under reduced pressure until ethanol is not contained in the extract, extract 4 times with an equal amount of ethyl acetate, combine the extracts, recover ethyl acetate under reduced pressure, add a small amount of water for injection to the extract, and continue to evaporate to dryness to obtain Effective part of honeysuckle.
[0028] (2) Mix 1000g Achyranthes bidentata, 1000g Scrophulariaceae, and 1000g Dendrobium, add 10 times the amount of water, decoct and extract 3 times, respectively for 3, 2, and 2 hours, combine the extracts, and concentrate until each 1ml is equivalent to 1.0g of crude drug , add ethanol to precipitate to make the alcohol content reach 80%, refri...
Embodiment 2
[0032] Prepare the pharmaceutical preparation injection Z-2 of the present invention according to the method of Example 1, just get 500g of honeysuckle in the (1) step, ethanol concentration is 55%, and ethanol amount is 12 times of amount, every 1ml after concentration is equivalent to containing crude drug 1.2 g; in step (2), take 400g of Achyranthes bidentata, 600g of Scrophulariaceae, and 300g of Dendrobium, add 12 times the amount of water, decoct and extract 4 times, respectively for 3, 2, 2, and 1 hour, and after concentration, it is equivalent to containing 0.8g of crude drug / ml, add ethanol precipitation to make the alcohol content reach 75%.
Embodiment 3
[0034] Prepare pharmaceutical preparation injection Z-3 of the present invention according to the method for embodiment 1, just extracting agent is propylene glycol in (1) step, and extracting agent is ethylene dichloride; Precipitate with isopropanol in (2) step, diethyl ether extraction.
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