Levodropropizine inclusion compound dispersible tablet and preparation method thereof
A levodropropizine and clathrate technology, which is applied in the field of levodropropizine clathrate dispersible tablets and its preparation, can solve problems such as poor taste and reduced bitterness, and achieve reasonable formula, improved taste and stable process Effect
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Embodiment 1
[0052]Embodiment 1: levodropropizine inclusion compound dispersible tablet,
[0053] Levodropropizine clathrate: the mol ratio of β-cyclodextrin is 1:1;
[0054] The prescription of dispersible tablets is (calculated by mass percentage):
[0055] Levodropropizine-β-cyclodextrin inclusion complex 4g
[0056] L-HPC 0.5g
[0057] Magnesium stearate 0.02g
[0058] Microcrystalline cellulose 0.48g
[0059] Preparation:
[0060] 1) Prepare the levodropropizine inclusion compound according to the following method: use water as the solvent, react levodropropizine and β-cyclodextrin at a molar ratio of 1:1, the reaction temperature is 65°C, keep stirring , the reaction time was 30min, and the reaction solution was obtained; the obtained reaction solution was refrigerated for 24 hours, and the reaction precipitate was obtained by suction filtration, and the reaction precipitate was washed with absolute ethanol, and the clathrate was separated from the reaction precipitate, and the ...
Embodiment 2
[0063] Levodropropizine clathrate: the mol ratio of β-cyclodextrin is 1:1;
[0064] The prescription for dispersible tablets is (by weight):
[0065] Levodropropizine-β-cyclodextrin inclusion complex 16.12g
[0066] L-HPC 1.8g
[0067] Magnesium stearate 0.08g
[0068] The preparation method is the same as in Example 1.
Embodiment 3
[0070] Levodropropizine inclusion complex: β-cyclodextrin 1:1
[0071] The prescription for dispersible tablets is (by weight):
[0072] Levodropropizine-β-cyclodextrin inclusion compound 322.4g
[0073] L-HPC 36g
[0074] Magnesium stearate 1.6g
[0075] The preparation method is the same as in Example 1.
[0076] The products prepared in the above examples, after investigation, have significantly reduced bitterness.
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