The results of elaborating of quality control methods of loratadine are represented in article. TCL and HPLC methods were used in estimation and quantification of loratadine. Estimation of foreign substances in loratadine was established. Authors recommend these quality control methods for analysis of loratadine in different drugs.

The discovery of the biologically active substance Rezveratrol in the 90-th, polyphenol containing in grapes, resulted in the thorough study of its therapeutic activity. Nowadays, the diverse positive effect of Rezveratrol on organs and systems has been established, that enables to consider it as a prospective biologically active substance.