Quality control method of composite prepn. of dry mango tree leaves extract
A quality control method and technology of compound preparations, applied in the direction of testing pharmaceutical preparations, measuring devices, pharmaceutical formulations, etc., can solve the problem that the content sensitivity and accuracy of chlorpheniramine maleate are not very good, and the reproducibility and stability are not good. Very ideal and other problems, to achieve effective, stable and controllable, stable and controllable quality, and overcome the large measurement deviation
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Embodiment 1
[0050] Mango Cough Drops
[0051] 1. Identify the dried mango leaf extract contained in mango cough tablets
[0052] Take 2g of this product after removing the coating, grind it finely, add 50ml of water, heat it in a water bath for 30 minutes, stir it from time to time, take it out, let it cool, filter, evaporate the filtrate to dryness, add 1ml of methanol to the residue to dissolve, filter, and use the filtrate as The test solution. Take another gallic acid reference substance, add methanol to make a solution containing 0.5mg per 1ml, as the reference substance solution. According to the test of thin-layer chromatography (Appendix VI B of the Chinese Pharmacopoeia in 2005), draw 2 μl of each of the above two solutions, and place them on the same silica gel G thin-layer plate with sodium carboxymethyl cellulose as the binder, and use three Chloromethane-ethyl acetate-formic acid (6:2:2) was used as the developer, developed, taken out, dried in the air, sprayed with 2% ferr...
Embodiment 2
[0079] Mango Cough Capsules
[0080] (1) Identification of mango cough capsules containing dried mango leaf extract
[0081] Take 2g of the content of this product, grind it finely, add 50ml of water, heat it in a water bath for 30 minutes, stir it from time to time, take it out, let it cool, filter, evaporate the filtrate to dryness, add 1ml of methanol to the residue to dissolve, filter, and use the filtrate as the test sample solution. Take another gallic acid reference substance, add methanol to make a solution containing 0.5mg per 1ml, as the reference substance solution. According to the test of thin-layer chromatography (Appendix VI B of the Chinese Pharmacopoeia in 2005), draw 2 μl of each of the above two solutions, and place them on the same silica gel G thin-layer plate with sodium carboxymethyl cellulose as the binder, and use three Chloromethane-ethyl acetate-formic acid (6:2:2) was used as the developer, developed, taken out, dried in the air, sprayed with 2% f...
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