Drug preparation
CHS is a well-known drink in (PM) which has been utilized for dense and adhesive secretions of the respiratory tract for a long period [Physico-chemical quality control tests by Niak company on, the amount of impurity, the amount of essential oil and the storage conditions of each component of the sherbet have been carried out separately and finally, tests of appearance characteristics, pH, density, viscosity, dry weight of the extract, microbial and fungal control are performed by Niak Pharmaceutical Company on the final product.