Compound Ilex pubescens oral liquid and preparation method and application thereof
A technology of compound Maodongqing and oral liquid, which is applied in the directions of pharmaceutical formulations, medical preparations without active ingredients, and medical preparations containing active ingredients, etc.
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Embodiment 1
[0066] Take 100g of Houttuynia cordata and add 6 times the amount of water for distillation, collect 300mL of distillate, and set aside; heat and extract 600g of hollywort, 100g of Polygonum chinensis leaves and 100g of Radix isatidis plus 8 times of the amount of water once, 1 hour each time , filter, combine the water decoction, concentrate under reduced pressure to a clear paste with a relative density of 1.06 (50°C), add ethanol to make the alcohol content reach 50%, stir well to make it uniform, leave it overnight, filter, take the ethanol solution, Recover ethanol under reduced pressure to a clear paste with no alcohol smell; add Houttuynia cordata distillate and water to the above clear paste to make up to 750mL, add 2g of sodium benzoate, adjust the pH value to 6.8 with 20% sodium hydroxide solution, and mix well , refrigerate for 24 hours, filter, add 200mL of simple syrup to the filtrate, add water to 1000mL, stir well, filter, fill, sterilize, and get ready.
Embodiment 2
[0068] Take 200g Houttuynia cordata and add 10 times the amount of water to distill, collect 300mL of distillate, and set aside; heat and extract 800g of Ilex pubescens, 200g of Polygonum chinensis leaves and 200g of Radix isatidis plus 12 times of the amount of water for 3 times, each time for 2h , filter, combine the water decoction, concentrate under reduced pressure to a clear paste with a relative density of 1.10 (50°C), add ethanol to make the alcohol content reach 70%, stir well to make it uniform, leave it overnight, filter, take the ethanol solution, Recover ethanol under reduced pressure to an alcohol-free clear paste; add Houttuynia cordata distillate and water to the above clear paste to make up to 750mL, add 2g of sodium benzoate, adjust the pH value to 7.2 with 20% sodium hydroxide solution, and mix well , refrigerate for 48 hours, filter, add 200mL of simple syrup to the filtrate, add water to 1000mL, stir well, filter, fill, sterilize, and get ready.
Embodiment 3
[0070] Take 300g of Houttuynia cordata and add 6 times the amount of water for distillation, collect 300mL of distillate, and set aside; heat and extract 1000g of Ilex pubescens, 300g of Polygonum chinensis leaves and 300g of Radix isatidis plus 12 times of the amount of water twice, each time for 1h , filter, combine the water decoction, concentrate under reduced pressure to a clear paste with a relative density of 1.10 (50°C), add ethanol to make the alcohol content reach 60%, stir well to make it uniform, leave it overnight, filter, take the ethanol solution, Recover ethanol under reduced pressure to a clear paste with no alcohol smell; add Houttuynia cordata distillate and water to the above clear paste to make up to 750mL, add 2g of sodium benzoate, adjust the pH value to 7.0 with 20% sodium hydroxide solution, and mix well , refrigerate for 72 hours, filter, add 200mL of simple syrup to the filtrate, add water to 1000mL, stir well, filter, fill, sterilize, and get ready. ...
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