Moldavica dragonhead total flavone sustained release tablet and preparation method thereof
A technology of total flavonoids and sustained-release tablets, which is used in pharmaceutical formulations, medical preparations containing active ingredients, and drug delivery, etc., can solve the problems of inability to effectively exert medicinal effects, causing greater pressure on users, and frequent dosing. , to avoid toxic side effects, maintain curative effect, and easily control the quality
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Embodiment 1
[0020] Embodiment 1: first the total flavonoids of sweet blue orchid is produced through the following process: the sweet green orchid is pulverized into coarse powder, crosses 0.8mm, adds 30 times of amount of 70% ethanol to extract and reflux 2 times, each time for 3 hours, use Filter through a 70 μm sieve, combine the filtrates twice, recover ethanol, and concentrate to a 0.35 g / mL sweet green orchid concentrate; take the above concentrate and purify it with HPD100 macroporous resin, and add 6 mL of ethanol per gram of dry resin Purify according to the ratio of the concentrated solution. After standing for adsorption for 4 hours, use 40mL water for each g of dry resin at a rate of 40mL·h -1 The flow rate is eluted, and the eluent is discarded; and then 120mL60% ethanol solution is used for each g of dry resin at 30mL·h -1 Flow rate elution, collect the eluate, and concentrate the eluate to a dry matter ≥ 1g / mL total flavonoids of cypress. Then take 35 parts of total flavon...
Embodiment 2
[0021] Example 2: Firstly, the total flavonoids of Cymbidium flavonoids are produced through the following process: Pulverize Chrysanthemum pansyllum into coarse powder, pass through 1mm, add 40 times the amount of 80% ethanol to extract and reflux 3 times, each time for 4 hours, with 80 μm Sieve and filter, combine the filtrates for 3 times, then recover ethanol, concentrate to 0.3g / mL sweet green blue concentrated solution; take the above concentrated solution, and use HPD400 macroporous resin for purification, add 6.5mL ethanol per g dry resin Purify according to the ratio of the concentrated solution. After standing for 5 hours of adsorption, use 50mL water for each g of dry resin at a rate of 50mL·h -1 The flow rate is eluted, and the eluent is discarded; then use 130mL65% ethanol solution for each g of dry resin at 40mL·h -1 Flow rate elution, collect the eluent, and concentrate the eluate to a dry matter ≥ 1.1g / mL total flavonoids of cypress. Then take 40 parts of tota...
Embodiment 3
[0022] Embodiment 3: first the total flavonoids of sweet blue orchid is produced by the following process: the sweet green orchid is pulverized into coarse powder, crosses 1.2mm, adds 50 times the amount of 90% ethanol to extract and reflux 4 times, each time for 6 hours, use Filter through a 100 μm sieve, combine the filtrates for 4 times, recover ethanol, and concentrate into a concentrated solution of 0.25g / mL fennel; take the above-mentioned concentrated solution and purify it with HPD600 macroporous resin, and add 8mL of ethanol per g of dry resin Purify according to the ratio of the concentrated solution. After standing for 7 hours of adsorption, use 60mL water for each g of dry resin at a rate of 70mL·h -1 The flow rate is eluted, and the eluent is discarded; then use 140mL70% ethanol solution for each g of dry resin at 50mL·h -1 Flow rate elution, collect the eluate, and concentrate the eluate to a dry matter ≥ 1g / mL total flavonoids of cypress. Then take 45 parts of ...
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