Preparation method and application for pedunculoside II
It is a technology with glucoside and cardiovascular and cerebrovascular. It is applied in the direction of medical preparations containing active ingredients, pharmaceutical formulas, plant raw materials, etc. It can solve the problems of complex operation, long cycle, and process conditions that cannot meet the needs of industrial production.
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Embodiment 1
[0101] Example 1: Rescue 2000g of Bing coarse powder, reflux extraction with 6 times 80% ethanol three times, extract for 2, 1, 1 hour respectively, filter, combine the filtrates, concentrate to extract, add 6000ml of water, heat in a water bath, stir , stand overnight, filter, the filtrate is concentrated to 1000ml, let cool to room temperature, filter, the precipitate is washed three times with an appropriate amount of water, dried, and crystallized with 10-50 times the amount of 50-95% ethanol to obtain crude glucoside Crystal, followed by repeated crystallization with 10-50 times the amount of 50-95% ethanol to obtain pure glucoside with a yield of 1.38%. According to the law, the content is 98.59%.
Embodiment 2
[0103] Take the pelicoside prepared by the method of Example 1, and adopt the well-known preparation method of the infusion solution in the technical field to prepare the pelicoside sodium chloride injection and the pelicoside glucose injection: the pelicoside 40 mg, Sodium Chloride 2.25g, made into Pelicoside Sodium Chloride Injection, its specification is 500ml, intravenous injection, 1 bottle each time, once a day; Glucoside injection, its specification is 500ml, intravenous injection, 1 bottle each time, once a day.
Embodiment 3
[0104] Example 3: Take 20 g of glucoside prepared by the method of Example 1, add an appropriate amount of water for injection, adjust the pH value to 7 with sodium carbonate, stir and dissolve, and then add an amount equivalent to 10-15% of glucoside Mannitol for injection is sterilized and filtered, its content is determined, and it is packaged in 1000 tubes, 20 mg per tube, sealed, and ready to be obtained. Intravenous injection, 40mg each time, once a day.
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