Vitamin C and zinc sustained and controlled release tablet and preparation method thereof
A vitamin and controlled-release tablet technology, which is applied in pharmaceutical formulations, medical preparations with non-active ingredients, and medical preparations containing active ingredients, etc. Long-lasting and immune-boosting effect
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Embodiment 1
[0032] Vitamin C plus zinc sustained and controlled release tablet 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, 10 parts of zinc ion-containing substances, and the balance of water; The sustained-release coating includes the following raw materials in parts by weight: 20 parts of main film-forming agent, 10 parts of pregelatinized starch, 5 parts of toughening agent, 3 parts of anti-blocking agent, 2 parts of plasticizer, and 1 part of coloring agent , 1 part of additive, the balance of ethanol.
[0033] The preparation method of the vitamin C plus zinc sustained and controlled release tablet comprises the following steps:
[0034] (1) Take the vitamin C of parts by weight and pulverize it into powder, add zinc ion-containing substances of parts by weight, stir and mix evenly, add water, keep stirring to make it viscous, put it into a tablet ...
Embodiment 2
[0038] Vitamin C plus zinc sustained and controlled release tablet 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 vitamin C, 15 parts of zinc ion-containing substances, and the balance of water; The sustained-release coating includes the following raw materials in parts by weight: 80 parts of main film-forming agent, 20 parts of pregelatinized starch, 15 parts of toughening agent, 8 parts of anti-blocking agent, 6 parts of plasticizer, and 5 parts of coloring agent , 5 parts of additives, the balance of ethanol.
[0039] The preparation method of the vitamin C plus zinc sustained and controlled release tablet comprises the following steps:
[0040] (1) Take the vitamin C of parts by weight and pulverize it into powder, add zinc ion-containing substances of parts by weight, stir and mix evenly, add water, keep stirring to make it viscous, put it into a tab...
Embodiment 3
[0044] Vitamin C plus zinc 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: 13 parts of vitamin C, 13 parts of zinc ion-containing substances, and the balance of water; The sustained-release coating includes the following raw materials in parts by weight: 60 parts of main film-forming agent, 15 parts of pregelatinized starch, 10 parts of toughening agent, 5 parts of anti-blocking agent, 4 parts of plasticizer, and 3 parts of coloring agent , 3 parts of additives, the balance of ethanol.
[0045] The preparation method of the vitamin C plus zinc sustained and controlled release tablet comprises the following steps:
[0046] (1) Take the vitamin C of parts by weight and pulverize it into powder, add zinc ion-containing substances of parts by weight, stir and mix evenly, add water, keep stirring to make it viscous, put it into ...
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