Essential Oil of Stachys officinalis (L.) Trevis. Lamiaceae from Montenegro

Abstract The aerial parts of Stachys officinalis(L.) Trevis., collected from Velika Greda locality at Durmitor mountain (Montenegro), contained 0.5% of essential oil. Using GC and GC/MS, 32 constituents were identified. A mixture of isocaryophyllene and β-caryophyllene (22.9 %) was identified as its principal component.