Abstract The essential oil isolated from plants of Trinia dalechampii (Ten.) Janchen. collected in Gran Sasso Mountain (Abruzzo region, Italy) was analyzed by GC and GC/MS. Sixteen compounds were identified and the major components were myristicin (32.7%), limonene (19.4%), methyl carvacrol (18.7%) and Î²-caryophyllene (13.7%).