Composition of the essential oil of Diosma prama I. Williams

Abstract

Hydrodistilled essential oils from the herbal parts of Diosma prama were analyzed by GC and GC/MS. Thirty compounds were characterized in chemotype A, representing 97.3% of the oil with 1,8-cineole + beta-phellandrene (25.6%), myrcene (23.5%), beta-pinene (10.4%), linalool (9.9%) as main constituents. The oil of chemotype B yielded a totally different composition. Thirty-five compounds were identified representing 98.9% of the oil with menthone (28.1%), limonene (26.6%), pulegone (10.8%), isomenthone (10.8%) and linalool (6.7%) as main constituents.