Korchagina D.V. 1
Kurkina A.V. 1
Dubishev A.V. 1
Kochneva O.N. 1
Gusev D.O. 1
1 Samara State Medical University
In the present paper are discussed the results of the investigations of neurotropic activity of preparations on the basis of Ginkgo biloba L. leaves (family Ginkgoaceae) with aims of the substantiation of the conception of the creation of the domestic nootropic and anxiolytic phytopharmaceuticals of this plant. There was carried out the comparative study of nootropic and anxiolytic activity of samples of tinctures, obtained by using of 40 and 70 % ethanol from the leaves of Ginkgo biloba and drug comparison «Tanakan». There was determined that the preparation «Ginkgo biloba tincture» (1:5) at 70 % ethyl alcohol, as a rule, shows more pronounced nootropic and anxiolytic properties compared with pharmacological effects of the drug comparison «Tanakan». For the fi rst time there was detected anxiolytic activity of drugs of Ginkgo biloba L. leaves from domestic raw materials, with the greatest effi ciency, as in the case of nootropic effect, showed Ginkgo tinctures on the 70 % ethanol.