Bioactivity of Geranium Oils from Different Commercial Sources

Geranium oil is one of the most frequently used oils in aromatherapy. However, there is a large and diverse variation in the composition of commercial geranium oil, which depends only partly on its country of origin. The bioactivity of 16 commercial samples of geranium oils was assessed in vitro against 25 different bacteria, 20 Listeria monocytogenes strains and 3 filamentous fungi; the antioxidant and pharmacological effect was also studied...