Article

Studies of Mediterranean Oregano Populations. VII: Chemical Composition of Essential Oils of Carvacrol-Rich Oregano of Various Origins

Gilles Figuérédo Laboratoire de Chimie des Huiles Essentielles, Université Blaise Pascal de Clermont, Campus des Cézeaux, 63177, Aubière, France; AVAHEA, 38 avenue de Clémensat, 63540, Romagnat, FrancePatrick Cabassu Laboratoire de Chimie des Huiles Essentielles, Université Blaise Pascal de Clermont, Campus des Cézeaux, 63177, Aubière, France; AVAHEA, 38 avenue de Clémensat, 63540, Romagnat, FranceJean‐Claude Chalchat Laboratoire de Chimie des Huiles Essentielles, Université Blaise Pascal de Clermont, Campus des Cézeaux, 63177, Aubière, France; AVAHEA, 38 avenue de Clémensat, 63540, Romagnat, FranceBernard Pasquier Conservatoire National des Plantes à Parfum, Médicinales, Aromatiques et Industrielles (CNPPMAI), Route de Nemours, 91490, Milly-la-Forêt, France

2006en

ABI

Abstract

Abstract Six species of oregano were studied: Origanum compactum Benth., O. dictamnus L., O. dubium Boiss., O. minutiforum Schwarz et Davis, O. onites L. and O. vulgare ssp. hirtum Ietswaart. Collected at their natural sites, sown, planted and oils isolated at the CNPPMAI. The oils were analyzed by GC and GC/MS; 118 constituents were identifed. All species presented a carvacrol chemotype (60—90%) accompanied by various chemical forms, such as a thymol-rich type, as in O. dictamnus, O. dubium and O. vulgare ssp. hirtum, in which its levels ranged widely (20—90%), or linalool-rich (27—90%), as in O. onites and O. dubium. Key Word Index: Origanum compactum Origanum dictamnus Origanum dubium Origanum minutiforum Origanum onites and Origanum vulgare ssp. hirtum essential oil compositioncarvacrolthymolγ-terpinenep-cymenelinalool

Identifiers

DOI: 10.1080/10412905.2006.9699077

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