The composition of the essential oil of black currant leaves (Ribes nigrum L.)

By use of gas chromatography, infra‐red spectrophotometry and mass spectrometry the essential oil of black currant leaves (0.02% of fresh weight) was found to contain the following compounds in order of elution from a silicone column: α‐pinene (1.5%), myrcene (0.6%), oct‐I‐en‐3‐ol (6.3%), car‐3‐ene (19.2%), p‐cymene (1.5%), m‐cymene (1.5%), limonene (3.3%), β‐ocimene X (1.6%), β‐phellandrene (2.4%), I‐methyl‐4‐isopropenyl‐benzene (1.3%), linaloöl (3.6%), terpinen‐4‐ol (0.6%), methyl salicylate (1.6%), geraniol (6.0%), citronellyl acetate (0.9%), caryophyllene (16.8%) and humulene (2.0%).