Javier Bernardo Lopez ArzeGuy J. CollinFrançois-Xavier GarneauFrance-Ida JeanHélène Gagnon2026-03-222026-03-22200810.1177/1934578x0800300315https://doi.org/10.1177/1934578x0800300315https://andeanlibrary.org/handle/123456789/50593Citaciones: 6The chemical composition of the essential oil obtained from Gnaphalium viravira growing in the high valley region of Bolivia, Province of Cochabamba, was determined by a combination of GC and GC/MS measurements. The composition of the oil is dominated by non oxygenated terpenes. The main products are limonene, α-copaene, β-caryophyllene, geranyl-α-terpinene, and geranyl- p-cymene. Oxygenated monoterpenes account for less than 10%.enTerpeneAsteraceaeLimoneneEssential oilChemistryComposition (language)Chemical compositionGas chromatography–mass spectrometryBotanyarticle