Constituents of Essential Oils from Three Plant Species Used in Traditional Medicine and Insect Control in Tanzania

This is the authors' abstract. We don't add key points for this paper.

The essential oils of three aromatic plant species, Lantana viburnoides sp. viburnoides var. kisi (A. Rich.) Verdc., Clausena anisata (Willd.) Benth. and Uvariodendron gorgonis Verdc., were analysed for their chemical compositions and repellency activity against Anopheles gambiae s.s. The major chemical constituents were piperitenone (25.25%) and artemisia ketone (13.96%) in L. viburnoides oil; Estragol (88.38%) in C. anisata; and eugenol (89.82%) in U. gorgonis. The essential oils exhibited varying repellency properties against An. gambiae confirming the ethnobotanical usage as insect repellent. Further prospect exist of improving repellency of U. gorgonis and L. viburnoides essential oils by incorporating some inactive carriers.