Mixts. of dried lavender flowers with EtOH were subjected to maceration, sonication and Soxhlet extn. Coumarin, herniarin and linalol acetate were identified by gas chromatog. with mass detector. The yields of extn. techniques used for carrying out processes, at different times were calcd. After 2 h long process, the highest efficiency was achieved for Soxhlet extn. It was 2 or 5 times higher than the yield obtained by sonication or maceration, resp.