“…For these interactions, responsible seem to be the volatile compounds in the crude extracts where in case of dittany should be carvacrol as has been found the major compound following by γ-terpinene and p-cymene (Liolios et al, 2009;Daferera et al, 2002) or thymol instead of carvacrol if the dittany was cultivated (Daferera et al, 2000); thymol and carvacrol, in case of oregano (Castilho et al, 2012;Kogiannou et al, 2013;Martins et al, 2014) and sage (Kogiannou et al, 2013); geranial, neral and citronellal in lemon balm, the main volatile compounds have found according to Carnat et al, (1998); cis-pinocamphone, pinocarvone, β-pypene, eucalyptol (Hatipoglu et al, 2013) or β-Pipene,1,8-cineole, isopinocamphone and limonene in hyssop (Mazzanti et al, 1998). As volatile compounds found to interact with the aqueous components in all the crude extracts examined further research is necessary on the volatile composition in each extract.…”