Preparation method of traditional Chinese medicine houttuynia cordata injection
A kind of Houttuynia cordata injection, the technology of Houttuynia cordata is applied in the direction of medical formula, medical preparations containing active ingredients, drug combination, etc., which can solve the problems of high production cost, difficult industrialization, and high equipment requirements
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Embodiment 1
[0011] Take 2000g of fresh Houttuynia cordata, after cleaning and washing, cut into 1-2cm pieces, carry out steam distillation, collect 2000ml of initial distillate, and then redistill, collect about 1000ml of heavy distillate, add 7g of sodium chloride and 5g polysorbate 80, mix well, adjust the pH value to 5.5 with 10% sodium citrate solution, stir well, filter through 0.45μm, 0.22μm filter elements, potting, sterilize at 105°C for 30 minutes, light inspection, packaging.
Embodiment 2
[0013] Take 20kg of fresh Houttuynia cordata, after cleaning and washing, cut into 1-2cm pieces, carry out steam distillation, collect 20,000 ml of initial distillate, and then redistill, collect about 10,000 ml of heavy distillate, add 70g Sodium chloride and 50g polysorbate 80, mix well, adjust the pH value to 4.5 with 10% citric acid solution, stir well, filter through 0.45μm, 0.22μm filter element, potting, sterilize at 105℃ for 30 minutes, light inspection ,Package.
Embodiment 3
[0015] Take 600kg of fresh Houttuynia cordata, after cleaning and washing, cut into 1-2cm fragments, carry out steam distillation, collect 600,000 ml of initial distillate, and then carry out redistillation, collect about 300,000 ml of heavy distillate, add 2.1 kg sodium chloride and 1.5kg polysorbate 80, mix well, adjust the pH value to 5.6 with 10% sodium citrate solution, stir well, filter through 0.45μm, 0.22μm filter elements, potting, sterilize at 105℃ for 30 minutes , light inspection, packaging.
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