Citronellic Acid: A Major Component in TwoPelargoniumSpecies (Geraniaceae)

The leaf oils of the leaves of two Pelargonium species, P. papilionaceum L. L'Herit. and P. vitifolium L. L'Herit. (Geraniaceae) and a cultivar ‘Sweet Rosina,’ were found to contain citronellic acid, ranging from 27.9% to 89.3%. The essential oils were obtained by both steam distillation and using solvent extraction in both hexane and petroleum spirit and the citronellic acid was identified by comparison with a standard using GC and also GC/MS....