Tinidazol colon target biology adhesive tablet and preparation method thereof
A technology of tinidazole colon and bioadhesion, applied in the direction of drug delivery, pharmaceutical formulations, medical preparations containing active ingredients, etc., to reduce the incidence of adverse reactions, improve the effect of treatment, and increase the effect of curative effect
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Embodiment 1
[0040] Tablet prescription:
[0041] Tinidazole 200.0g
[0042] Hypromellose 60.0g
[0043] Sodium alginate 120.0g
[0044] Chitosan 20.0g
[0045] Magnesium Stearate 1.0g
[0046] Made into 1000 pieces
[0047] Coating Solution Prescription:
[0048] EudragitL 100-55: EudragitS100=1:2 60.0g
[0049] Dibutyl phthalate 6.0g
[0051] Acetone 1000ml
[0052] Preparation Process:
[0053] Get the prescribed amount of tinidazole, sodium alginate, hydroxypropyl methylcellulose and chitosan, pass through an 80-mesh sieve and mix evenly, add the prescribed amount of magnesium stearate, mix evenly, and compress the tablet core. Dissolve EudragitL 100-55 and EudragitS100 in the prescribed amount of acetone solution, stir well until clear. Add the talcum powder and dibutyl phthalate in the prescribed amount into the above-mentioned acetone solution, and continue to stir for 1 hour to obtain a coating solution. The t...
Embodiment 2
[0055] Tablet prescription:
[0056] Tinidazole 200.0g
[0057] Hypromellose 60.0g
[0058]Sodium alginate 120.0g
[0059] Chitosan 20.0g
[0060] Magnesium Stearate 1.0g
[0061] Made into 1000 pieces
[0062] Coating Solution Prescription:
[0063] EudragitL 100-55: EudragitS100=1:1 60.0g
[0064] Dibutyl phthalate 6.0g
[0066] Acetone 1000ml
[0067] Preparation Process:
[0068] Get the prescribed amount of tinidazole, sodium alginate, hydroxypropyl methylcellulose and chitosan, pass through an 80-mesh sieve and mix evenly, add the prescribed amount of magnesium stearate, mix evenly, and compress the tablet core. Dissolve EudragitL 100-55 and EudragitS100 in the prescribed amount of acetone solution, stir well until clear. Add the talcum powder and dibutyl phthalate in the prescribed amount into the above-mentioned acetone solution, and continue to stir for 1 hour to obtain a coating solution. The...
Embodiment 3
[0070] Tablet prescription:
[0071] Tinidazole 200.0g
[0072] Hypromellose 60.0g
[0073] Sodium Carboxymethyl Cellulose 120.0g
[0074] Chitosan 20.0g
[0075] Magnesium Stearate 1.0g
[0076] Made into 1000 pieces
[0077] Coating Solution Prescription:
[0078] EudragitL 100-55: EudragitS100=1∶2 60.0g
[0079] Dibutyl phthalate 6.0g
[0080] Talc powder 8.0g
[0081] Acetone 1000ml
[0082] Preparation Process:
[0083] Take the prescribed amount of tinidazole, sodium carboxymethylcellulose, hydroxypropyl methylcellulose and chitosan, respectively pass through an 80-mesh sieve and mix well, add the prescribed amount of magnesium stearate and mix well, and compress the tablet core . Dissolve EudragitL 100-55 and EudragitS100 in the prescribed amount of acetone solution, stir well until clear. Add the talcum powder and dibutyl phthalate in the prescribed amount into the above-mentioned acetone solution, and continue to st...
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