Daniel LorenzoEduardo DellacassaIngrid LoayzaW. de Groot2026-03-222026-03-22200210.1080/10412905.2002.9699845https://doi.org/10.1080/10412905.2002.9699845https://andeanlibrary.org/handle/123456789/67659Abstract The essential oil of aerial parts of Polylepis besseri Hieron. ssp. besseri was analyzed by GC and GC/MS; 43 components (90% of the total composition) were identified. The study showed that the main components were the diterpenes abietadiene (40.3%) and abietatriene (6.1%).enComposition (language)Essential oilBotanyChemical compositionChemistryComposition of the Essential Oil of<i>Polylepis besseri</i>Hieron. ssp.<i>besseri</i>from Boliviaarticle