Lily oral liquid and quality standard and test method of pharmaceutical preparation thereof
A detection method, oral liquid technology, applied in the direction of measuring devices, pharmaceutical formulations, medical preparations containing active ingredients, etc.
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Embodiment 1
[0110] A, get 8ml of the oral liquid of the pharmaceutical composition preparation of the present invention, add hydrochloric acid to adjust the pH value to 2, extract 2 times with diethyl ether, each 22ml, merge diethyl ether, evaporate to dryness, add methanol 1ml to dissolve the residue, as need testing solution; Take another gallic acid reference substance, add methanol to make a solution containing 1mg per 1ml, as the reference substance solution; according to the thin-layer chromatography test, draw 0.002ml of each of the above two solutions, and point them on the same silica gel G thin-layer plate respectively. Use toluene-ethyl acetate-formic acid=5:0.8:0.5 as developing agent, develop, take out, dry in the air, spray with 1% ferric chloride ethanol solution; On, spots of the same color appear;
[0111] B, get 8ml of oral liquid of the pharmaceutical composition preparation of the present invention, add hydrochloric acid 0.8ml, ether 18ml, extract by ultrasonic treatme...
Embodiment 2
[0120] A. Get 10g of the pharmaceutical composition preparation granules of the present invention, add 20ml of water, adjust the pH value to 4 with hydrochloric acid, extract 2 times with petroleum ether with a boiling range of 60 to 90°C, 28ml each time, and the combined boiling range is 60 to 90°C Petroleum ether at ℃, evaporated to dryness, add 1ml of ethanol to the residue to dissolve, as the test solution; take another gallic acid reference substance, add methanol or ethanol to make a solution containing 1mg per 1ml, as the reference solution; according to thin-layer chromatography Method test, draw 0.005ml of each of the above two solutions, point them on the same silica gel G thin-layer plate, use toluene-ethyl acetate-formic acid=8:3:1.2 as the developing agent, develop, take out, dry in the air, spray with 1% ferric chloride ethanol solution; in the chromatogram of the test product, on the position corresponding to the chromatogram of the reference substance, spots of ...
Embodiment 3
[0130] A, get pharmaceutical composition preparation tablet 15g fine powder of the present invention, add water 20ml, adjust pH value to 3 with hydrochloric acid, shake and extract 1-3 times with chloroform, each 24ml, merge chloroform extract, steam Dry, add 1ml of methanol to the residue to dissolve, as the test solution; take another gallic acid reference substance, add methanol to make a solution containing 1mg per 1ml, as the reference solution; test according to thin-layer chromatography, absorb the above two solutions 0.003ml each, respectively spot on the same silica gel G thin-layer plate, use toluene-ethyl acetate-formic acid=6:1:0.8 as developing solvent, develop, take out, dry in the air, spray with 1% ferric chloride ethanol solution ; In the chromatogram of the test product, on the position corresponding to the chromatogram of the reference substance, there are spots of the same color;
[0131] B. Take 15g of the pharmaceutical composition preparation tablet of t...
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