Quality control method of composite prepn. of dry mango tree leaves extract
A technology of compound preparation and mango leaf, which is applied in the field of quality control of compound preparations of Chinese and Western medicines, can solve problems such as unsatisfactory reproducibility and stability, poor sensitivity and accuracy of chlorpheniramine maleate content, etc. , to achieve effective, stable and controllable, stable and controllable quality, and strong specificity
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Embodiment 1
[0052] Mango Cough Drops
[0053] 1. Identify the dried mango leaf extract contained in mango cough tablets
[0054] 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
[0081] Mango Cough Capsules
[0082] (1) Identification of mango cough capsules containing dried mango leaf extract
[0083] 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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