(A) Chromatographic profile obtained by GS–MS from M. verticillata EO. The area represented by the peaks corresponds to the proportions in which each component is in the mixture. Retention times of each peak are observed.(B) Chemical structure of compounds identified in Minthostachys verticillata EO. (a) limonene, (b) menthone, (c) iso-pulegone, (d) pulegone, (e) chrysanthenone, (f) verbenone, (g) elemene, and (h) spathulenol