Vitamin D* solid dispersion peridium patch and method for preparing the same
A technology of solid dispersion and solid dispersion carrier, which is applied to medical preparations with non-active ingredients, medical preparations containing active ingredients, and pharmaceutical formulas. The effect of uniform quality appearance
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Embodiment 1
[0071] Vitamin D 2 0.3125g
[0072] PEG-6000 100g
[0073] Starch 2500g
[0074] Calcium hydrogen phosphate 2250g
[0075] Ethanol 75g
[0076] Magnesium Stearate 100g
[0078] Make 10000 pieces
[0079] Prepared as follows:
[0080] 1) Weigh the prescribed amount of PEG-6000 and put it in an 80°C water bath for 40 minutes until it melts completely.
[0081] 2) Add prescribed amount of vitamin D while hot 2 , Stir quickly until the mixture is uniform, and at the same time, ultrasonic waves can be used for 5 minutes to accelerate the solid dispersion speed and dispersion rate.
[0082] 3) Put the homogeneously mixed liquid dispersion in the freezer of the refrigerator for quick freeze-drying.
[0083] 4) After freeze-drying into blocks, transfer to another wide-mouth container, and dry in a vacuum oven at 40°C for 5-6 hours.
[0084] 5) Pound the dried dispersion into powder with a glass rod, and pass through a 80-mesh sieve. Store in a dr...
Embodiment 2、3、4
[0091] Components used in the embodiment of table 1
[0092] Example
[0093] Embodiment 5, 6, 7
Embodiment 5、6、7
[0095] Components used in the embodiment of table 2
[0096] Example
5
6
7
Vitamin D 2
0.3125g
0.3125g
0.3125g
solid dispersion carrier
Polyethylene glycol 100g
Povidone 100g
Surfactant 100g
filler
Starch + calcium hydrogen phosphate 4450g
Powdered sugar 4450g
Dextrin 4450g
Starch slurry 50g
Cellulose 50g
Ethanol 75ml
Ethanol 75ml
Distilled water 75ml
Magnesium Stearate 100g
Micropowder silica gel 50g
Hydrogenated Vegetable Oil 50g
disintegrant
Dry starch 250g
Cellulose 250g
[0097] In the foregoing embodiments, the solid dispersion carrier used can also be replaced by organic acid, sugar alcohol, cellulose, polyacrylic acid, and resin; the filler used can also ...
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