Preparation method and application for phyllanthus oral solid preparations
A solid preparation and preparation technology, which is applied in the field of preparation of oral solid preparations of Phyllostachys phylloxera, can solve problems affecting the pharmacological effects of active ingredients of Phyllostachys phylloxera, removal of impurities from solutions, and affecting the therapeutic effect of hepatitis B, so as to achieve good anti-hepatitis B virus , little environmental pollution and low cost
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Embodiment 1
[0070] 1. Preparation of main drug
[0071] (1) Take 500g of Phyllostachys phylloxera medicinal material and pulverize it, extract once with n-hexane reflux for 2 hours, combine the extracts, recover the solvent under reduced pressure, and obtain the effective part A;
[0072] (2) evaporate the solvent from the dregs extracted by n-hexane, and extract once with 50% ethanol under reflux for an extraction time of 1 hour, combine the extracts, recover ethanol under reduced pressure, and obtain extract I;
[0073] (3) evaporate the solvent from the dregs after ethanol extraction, reflux extraction with water once, each time for 1 hour, combine the extracts, concentrate to a thick paste with a relative density of 1.1, and obtain the extract II;
[0074] (4) Combine the extracts I and II, put them on a D101 macroporous adsorption resin column, elute with 40% ethanol, combine the eluents, recover the ethanol under reduced pressure, and obtain the effective part B;
[0075] The effec...
Embodiment 2
[0085] 1. Preparation of main drug
[0086] (1) Take 1200g of Phyllostachys phylloxera medicinal material and pulverize it, extract it twice with n-hexane reflux, each time for 3 hours, combine the extracts, recover the solvent under reduced pressure, and obtain the effective part A;
[0087] (2) volatilize the dregs after n-hexane extraction to dry the solvent, and extract twice with 55% ethanol under reflux, each time for 1.5 hours, combine the extracts, recover the ethanol under reduced pressure, and obtain the extract I;
[0088] (3) The dregs after ethanol extraction were evaporated to dry solvent, extracted with water for 2 times under reflux, each time for 1.5 hours, and the extracts were combined and concentrated to a thick paste with a relative density of 1.2 to obtain the extract II;
[0089] (4) Combine the extracts I and II, put them on the HP20 macroporous adsorption resin column, elute with 45% ethanol, combine the eluents, recover the ethanol under reduced press...
Embodiment 3
[0100] 1. Preparation of main drug
[0101] (1) Take 1500g of Phyllostachys phylloxera medicinal material and pulverize it, extract it with n-hexane reflux for 3 times, each time for 4 hours, combine the extracts, recover the solvent under reduced pressure, and obtain the effective part A;
[0102] (2) volatilize the dregs after n-hexane extraction to dry the solvent, reflux extraction with 60% ethanol for 3 times, each time for 2 hours, combine the extracts, recover the ethanol under reduced pressure, and obtain the extract I;
[0103] (3) The dregs after ethanol extraction were evaporated to dry solvent, extracted twice with water under reflux, each time for 2 hours, and the extracts were combined and concentrated to a thick paste with a relative density of 1.3 to obtain the extract II;
[0104] (4) Combine the extracts I and II and put them on LD 605 A macroporous adsorption resin column, eluting with 55% ethanol, combining the eluents, recovering ethanol under reduced pre...
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