The essential oils of white thym e, wild pepperm int, lavender, lemon, rosem ary and jjıyrtle were analyzed by m eans of GC-M S. C arvacrol and alpha-terpinolen in vvhite thyme, pulegone and m enthone in wild pepperm int and lim oeene and citral in lemmon make up three fourth of ali essential oils. L avender oil mainly consists of cam phor, fenchone and 1,8-cineole and 1,8- cineole is also a characteristic com pound in rosem ary and m yrtle.