The chemical composition of the essential oils from leaves, stalks and inflorescences of Croton zehntneri obtained by hydrodistillation were analyzed by GC-MS and CG-F1D. E-Anethole was the main component of the essential oils of all plant parts. Essential oils of leaves, stalks, inflorescences and £-anethole were tested at different concentrations against instar III larvae of Aedes aegypti and showed LC50 values of 56.2 ± 0.3, 51.3 ± 0.3, 57.5 ± 0.1 and 69.2 ± 0.5 μg/mL, respectively.
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Santos, H. S., Santiago, G. M. P., De Oliveira, J. P. P., Arriaga, A. M. C., Marques, D. D., & Lemos, T. L. G. (2007). Chemical composition and larvicidal activity against aedes aegypti of essential oils from Croton zehntneri. Natural Product Communications, 2(12), 1233–1236. https://doi.org/10.1177/1934578x0700201208