Summary.

Volatile constituents of fresh leaves and roots as well as butanol fractions from the roots of Gypsophila trichotoma Wend. were analysed by GC/MS. Different groups of compounds were found: esters, sterols, terpens, alcohols, acids, hydrocarbons, etc. The butanol fractions were characterized by high content of sterols (from 0.5% to 33.7%). The main volatile compounds were octadecenoic acid in the leaves (14.2%) and dihydroxynaphthalene in the roots (66.4%).