Prospects of use the external bark of trees and bushes of family birch (Betulaceae) as the source of biologically active substances and excipients

The perspective directions of use the substances containing in external bark of trees and bushes of family Birch (Betulaceae) are considered. A large-tonnage and available source of raw materials in combination with relative simplicity of extraction do external bark of a birch the attractive object for effective use of this natural resource. The main directions of use the products of deep processing of external bark of a birch as potential medicines, excipients at creation of firm and liquid dosage forms, and also effective cosmetics are shown. The optimum technological scheme of allocation the betulin from extract of external bark of a birch is developed.