Potassium ion sustained and controlled release tablet and preparation method thereof
A slow-release tablet and potassium ion technology, which can be applied to pharmaceutical formulations, medical preparations with inactive ingredients, and medical preparations containing active ingredients, etc., can solve problems such as increased risk, reduce production costs, and achieve long release times. , the effect of improving uric acid excretion
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Embodiment 1
[0034] Potassium ion sustained and controlled release tablet, composed of a tablet core and a sustained release coating, the tablet core includes the following raw materials in parts by weight: 10 parts of potassium citrate, 5 parts of cyclodextrin, and 2 parts of binder , the water balance; the slow-release coating includes the following raw materials in parts by weight: 20 parts of ethyl cellulose, 10 parts of oxidized hydroxypropyl starch, 2 parts of sodium lactate, 3 parts of sodium carboxymethyl cellulose, toughening agent 2 parts, 1 part of coloring agent, 1 part of auxiliary agent, and the balance of solvent.
[0035] The preparation method of the potassium ion sustained and controlled release tablet comprises the following steps:
[0036] (1) Mix potassium citrate and cyclodextrin in parts by weight, after grinding, pass through a 200-mesh sieve, add binder in parts by weight, continue to stir for 8 hours, add water, and continue to stir to make the solution viscous s...
Embodiment 2
[0040] Potassium ion sustained and controlled release tablet, which is composed of a tablet-shaped drug core and a sustained-release coating. The tablet-shaped drug core includes the following raw materials in parts by weight: 15 parts of potassium citrate, 8 parts of cyclodextrin, and 3 parts of binder , the water balance; the slow-release coating includes the following raw materials in parts by weight: 80 parts of ethyl cellulose, 20 parts of oxidized hydroxypropyl starch, 10 parts of sodium lactate, 5 parts of sodium carboxymethyl cellulose, toughening agent 15 parts, 5 parts of coloring agent, 5 parts of auxiliary agent, and the balance of solvent.
[0041] The preparation method of the potassium ion sustained and controlled release tablet comprises the following steps:
[0042] (1) Mix potassium citrate and cyclodextrin in parts by weight, after grinding, pass through a 200-mesh sieve, add binder in parts by weight, continue to stir for 16 hours, add water, and continue t...
Embodiment 3
[0046] Potassium ion sustained and controlled release tablet, consisting of a tablet core and a sustained release coating, the tablet core includes the following raw materials in parts by weight: 13 parts of potassium citrate, 6 parts of cyclodextrin, and 3 parts of binder , the water balance; the slow-release coating includes the following raw materials in parts by weight: 50 parts of ethyl cellulose, 15 parts of oxidized hydroxypropyl starch, 6 parts of sodium lactate, 4 parts of sodium carboxymethyl cellulose, toughening agent 10 parts, 3 parts of coloring agent, 3 parts of auxiliary agent, and the balance of solvent.
[0047] The preparation method of the potassium ion sustained and controlled release tablet comprises the following steps:
[0048] (1) Mix potassium citrate and cyclodextrin in parts by weight, after grinding, pass through a 200-mesh sieve, add binder in parts by weight, continue to stir for 12 hours, add water, and continue to stir to make the solution viscou...
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