Preparation technology of captopril tablets
A captopril tablet and a preparation process technology, applied in the field of captopril preparations, can solve the problems of high production cost, complicated operation and the like, and achieve the effects of improving bioavailability, simplifying the process route and saving costs
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Embodiment 1
[0027] The prescription for captopril tablets 1000 tablets is:
[0028] Captopril 25g, silicified microcrystalline cellulose 300g, crospovidone 4g, hydroxypropyl cellulose 4g, talcum powder 1g;
[0029] 1) The preparation method is: weigh the raw and auxiliary materials of the prescription amount;
[0030] 2) Screening: pass all the raw and auxiliary materials weighed through 80-mesh sieve, and set aside;
[0031] 3) Mixing: add the sieved captopril, silicified microcrystalline cellulose, crospovidone, and hypromellose into the mixer and mix thoroughly;
[0032] 4) Total blending: In step 3), add sieved hypromellose and mix thoroughly to obtain mixed powder;
[0033] 5) Tablet compression: use the mixed powder in step 4), according to the mass of each tablet is 0.230g.
Embodiment 2
[0035] The prescription for captopril tablets 1000 tablets is:
[0036] Captopril 25mg, PH102 microcrystalline cellulose 200g, croscarmellose sodium 4g, povidone 0.6g, magnesium stearate 0.8g;
[0037] 1) The preparation method is: weigh the raw and auxiliary materials of the prescription amount;
[0038] 2) Screening: pass all the raw and auxiliary materials weighed through 80-mesh sieve, and set aside;
[0039] 3) Mixing: add the sieved captopril, PH102 microcrystalline cellulose, croscarmellose sodium and povidone into the mixer and mix thoroughly;
[0040] 4) Total blending: in step 3), add the sieved magnesium stearate and mix thoroughly to obtain a mixed powder;
[0041] 5) Tablet compression: use the mixed powder in step 4), according to the mass of each tablet is 0.230g
Embodiment 3
[0043] The prescription for captopril tablets 1000 tablets is:
[0044] Captopril 25mg, PH200 microcrystalline cellulose 200g, croscarmellose sodium 4g, povidone 0.6g, silicon dioxide 0.8g;
[0045] 1) The preparation method is: weigh the raw and auxiliary materials of the prescription amount;
[0046] 2) Screening: pass all the raw and auxiliary materials weighed through 80-mesh sieve, and set aside;
[0047] 3) Mixing: add the sieved captopril, PH200 microcrystalline cellulose, croscarmellose sodium and povidone into the mixer and mix thoroughly;
[0048] 4) Total blending: in step 3), add sieved silicon dioxide, and fully mix to obtain a mixed powder;
[0049] 5) Tablet compression: use the mixed powder in step 4), according to the mass of each tablet is 0.230g.
[0050] The beneficial effects of the present invention are:
[0051] 1. The content of impurity captopril disulfide in the preparation is significantly reduced, the quality of the drug is improved, and the sta...
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