Abstract
New syrup compositions Flavozid and Immunoflazid have been developed, which contain 2% of proteflazid (ethanol extract of wild-growing crops Deschampsia caespitosa L. and Calamagrostis epigeios L. The total content of flavonoids in both syrups is on a level of 4 - 6 μg/ml, which is rather difficult to measure. A new method for the quantitative determination of flavonoids in syrups has been developed on the basis of differential UV spectrophotometry of their complexes with aluminum chloride. The proposed method is introduced in the Manufacturer's Pharmacopoeial Article for the syrups.
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