Abstract: The purpose of this study was to compare the essential oil profiles of four Croatian Teucrium species (Lamiaceae), as determined by GC and GC/MS, with their antiphytoviral efficiency. A phytochemical analysis showed that T. polium, T. flavum, T. montanum and T. chamaedrys are characterized by similar essential oil compositions. The investigated oils are characterized by a high proportion of the sesquiterpene hydrocarbons β-caryophyllene (7.1–52.0%) and germacrene D (8.7–17.0%). Other important components were β-pinene from T. montanum and α-pinene from T. flavum. The investigated essential oils were proved to reduce lesion number in the local host Chenopodium quinoa Willd. infected with Cucumber Mosaic Virus (CMV), with reductions of 41.4%, 22.9%, 44.3% and 25.7%, respectively.
Keywords: β-caryophyllene; CMV; Teucrium chamaedrys; Teucrium flavum; Teucrium montanum; Teucrium polium
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Bezić, N.; Vuko, E.; Dunkić, V.; Ruščić, M.; Blažević, I.; Burčul, F. Antiphytoviral Activity of Sesquiterpene-Rich Essential Oils from Four Croatian Teucrium Species. Molecules 2011, 16, 8119-8129.
Bezić N, Vuko E, Dunkić V, Ruščić M, Blažević I, Burčul F. Antiphytoviral Activity of Sesquiterpene-Rich Essential Oils from Four Croatian Teucrium Species. Molecules. 2011; 16(9):8119-8129.
Bezić, Nada; Vuko, Elma; Dunkić, Valerija; Ruščić, Mirko; Blažević, Ivica; Burčul, Franko. 2011. "Antiphytoviral Activity of Sesquiterpene-Rich Essential Oils from Four Croatian Teucrium Species." Molecules 16, no. 9: 8119-8129.