Vitamin C and ferrous sulfate sustained and controlled release tablet and preparation method thereof
A technology of ferrous sulfate and vitamins, which is applied in the direction of medical formulas, medical preparations with non-active ingredients, medical preparations containing active ingredients, etc., can solve the problems of drug waste and changes, and achieve low production costs and low costs , the effect of high content
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Embodiment 1
[0032] Vitamin C plus ferrous sulfate 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: 10 parts of vitamin C, 15 parts of ferrous sulfate, and the balance of water ; The sustained-release coating includes the following raw materials in parts by weight: 20 parts of ethyl cellulose, 5 parts of sodium bicarbonate, 5 parts of toughening agent, 5 parts of anti-blocking agent, 1 part of colorant, 1 part of auxiliary agent, ethanol balance.
[0033] The preparation method of the vitamin C plus ferrous sulfate sustained-release tablet comprises the following steps:
[0034] (1) Take vitamin C in parts by weight and pulverize it into powder, add ferrous sulfate in parts by weight, mix well, add water, keep stirring to make the solution viscous, put it into a tablet kneader, and tablet Kneading of drug cores;
[0035] (2) dissolve...
Embodiment 2
[0038] Vitamin C plus ferrous sulfate sustained and controlled release tablet, which is composed of a tablet core and a sustained release coating. The tablet core includes the following raw materials in parts by weight: 15 parts of vitamin C, 20 parts of ferrous sulfate, and the balance of water ; The sustained-release coating includes the following raw materials in parts by weight: 80 parts of ethyl cellulose, 8 parts of sodium bicarbonate, 15 parts of toughening agent, 10 parts of anti-blocking agent, 5 parts of colorant, 5 parts of auxiliary agent, ethanol balance.
[0039] The preparation method of the vitamin C plus ferrous sulfate sustained-release tablet comprises the following steps:
[0040] (1) Take vitamin C in parts by weight and pulverize it into powder, add ferrous sulfate in parts by weight, mix well, add water, keep stirring to make the solution viscous, put it into a tablet kneader, and tablet Kneading of drug cores;
[0041] (2) dissolve the ethyl cellulose...
Embodiment 3
[0044]Vitamin C plus ferrous sulfate sustained and controlled release tablet, which is composed of a tablet core and a sustained release coating. The tablet core includes the following raw materials in parts by weight: 13 parts of vitamin C, 17 parts of ferrous sulfate, and the balance of water ; The sustained-release coating includes the following raw materials in parts by weight: 50 parts of ethyl cellulose, 6 parts of sodium bicarbonate, 10 parts of toughening agent, 8 parts of anti-blocking agent, 3 parts of colorant, 3 parts of auxiliary agent, ethanol balance.
[0045] The preparation method of the vitamin C plus ferrous sulfate sustained-release tablet comprises the following steps:
[0046] (1) Take vitamin C in parts by weight and pulverize it into powder, add ferrous sulfate in parts by weight, mix well, add water, keep stirring to make the solution viscous, put it into a tablet kneader, and tablet Kneading of drug cores;
[0047] (2) dissolve the ethyl cellulose o...
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