Composition of the essential oils of two Adenandra species from South Africa

Abstract

Hydrodistilled essential oils from the herbal parts of Adenandra obtusata Sond. and A. villosa (P.J.Bergius) Licht. ex Roem. et Schult. were analyzed by GC and GC/MS. Thirty-seven compounds were characterized in the oil of A. obtusata, representing 95.2% of the oil. Main compounds were 2-undecanone (33.3%), alpha-pinene (33.2%) and myrcene (2.4%). Forty-five compounds were characterized in the oil of A. villosa, representing 97.6% of the oil with myrcene (49.6%), sabinene (13.8%), 1,8-cineole + beta-phellandrene (6.6%), (Z)-beta-ocimene (4.2%) and limonene (3.7%) as main constituents.