Dicranostigma leptopodum extract perfusate, and preparation method and application thereof
A technology for the extract of safflower grass, which is applied in the field of perfusion solution of sage grass extract, can solve the problems of endangering human health, increase of drug-resistant bacteria, drug residues, etc., and achieves the advantages of industrial production, no residue and side effects, Quality Controlled Effects
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Embodiment 1
[0021] The preparation method of the red grass extract perfusate of the present invention is as follows:
[0022] Add 1 kg of red grass and add water to decoct three times, add 6 kg of water each time, and decoct for 4 hours. After decocting, filter, combine the filtrates, concentrate to 1000 ml, and let cool; add 1000 ml of ethanol to refrigerate and precipitate at 4-5°C for four days, filter and discard the precipitate, and recover ethanol; add 2000 ml and 3000 ml of ethanol in sequence, both at 4-5 Refrigerate and precipitate at 5°C for two days, filter and discard the precipitate, recover ethanol, add sodium hydroxide to adjust the pH to 10, refrigerate at 4-5°C for 24 hours and filter, heat the filtrate in a water bath until it has no alcohol smell, add medicine to the liquid 15 ml of benzyl alcohol and 15 ml of Tween-80 as co-solvent, add water for injection to 1000 ml, adjust the pH to neutral 6-7, filter, pot, sterilize at 100°C for 30 minutes to obtain the extract pe...
Embodiment 2
[0024] The preparation method of the red grass extract perfusate of the present invention is as follows:
[0025] Add water to 1 kg of red grass and decoct three times, add 4 kg of water each time, and decoct for 2 hours. After decocting, filter, combine the filtrates, concentrate to 1000 ml, and let cool; add 1000 ml of ethanol to refrigerate and precipitate at 4-5°C for four days, filter and discard the precipitate, and recover ethanol; Refrigerate and precipitate at -5°C for two days, filter and discard the precipitate, recover ethanol, add sodium hydroxide to adjust the pH to 10, refrigerate at 4-5°C for 24 hours and filter, heat the filtrate in a water bath until it has no alcohol smell, add to the liquid medicine Add 15 ml of benzyl alcohol, 15 ml of Tween-80, add water for injection to 1000 ml, adjust the pH to 6-7, filter, pot, and sterilize at 100° C. for 30 minutes to obtain the perfusate of the extract of Herba chinensis. This product is a brown clear liquid, with ...
Embodiment 3
[0027] The preparation method of the red grass extract perfusate of the present invention is as follows:
[0028] Add 1 kg of red grass and add water to decoct three times, add 2 kg of water each time, and decoct for 1 hour. After decocting, filter, combine the filtrates, concentrate to 1000 ml, and let cool; add 1000 ml of ethanol to refrigerate and precipitate at 4-5°C for four days, filter and discard the precipitate, and recover ethanol; Refrigerate and precipitate at -5°C for two days, filter and discard the precipitate, recover ethanol, add sodium hydroxide to adjust the pH to 10, refrigerate at 4-5°C for 24 hours and filter, heat the filtrate in a water bath until it has no alcohol smell, add to the liquid medicine Add 15 ml of benzyl alcohol, 15 ml of Tween-80, add water for injection to 1000 ml, adjust the pH to 6-7, filter, pot, and sterilize at 100° C. for 30 minutes to obtain the perfusate of the extract of Herba chinensis. This product is a brown clear liquid, wi...
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