(-)-Verbenone is a naturally occurring terpene found in the leaves of Suregada zanzibariensis Verdc.Verbenone has anti-aggregation pheromone effects and interrupts the attraction of bark beetles to its aggregation pheromone.
Gelsemiol has neurotrophic factor-potentiating activity, markedly enhances an increase in the proportion of neurite-bearing cells and an extension of the neurite length in the presence of nerve growth factor.