Assay of Diphenhydramine HCl in Syrup by High Performance Liquid Chromatography
Abstract
Cough is a natural response from the respiratory tract by increasing the clearance of secretions and particles from mucus, irritants, foreign particles, and microbes, so that it can act as a body defense. One way that can be done to relieve cough symptoms is to use symptomatic drugs. Diphenhydramine HCl is an antihistamine that belongs to the first generation H1 receptor antagonist (H1 blocker) group which has sedative and anti-allergic properties. Diphenhydramine HCl is used to treat sneeze, runny nose, watery eyes, itches, skin rashes, and other cold symptoms or other allergies. Diphenhydramine HCl is also used to treat motion sickness and to induce sleep. The purpose of this study was to determine the contents of diphenhydramine HCl syrup sold in the market. This test uses the High Performance Liquid Chromatography (HPLC) method with acetonitrile as a mobile phase; water; triethylamine (50;50;0.5). The results obtained the average content of Diphenhydramine HCl 102.5%. So it can be concluded that the cough medicine sample meets the requirements because the contents are not less than 90% and not more than 110% based on the Indonesian Pharmacopoeia Edition VI 2020.
Keywords: Cough, Diphenhydramine HCl, High Performance Liquid Chromatography (HPLC)
Keywords:
Cough, Diphenhydramine HCl, High Performance Liquid Chromatography (HPLC)DOI
https://doi.org/10.22270/jddt.v13i6.5885References
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