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Larvicidal activity of steroidal saponins from Dracaena arborea on Aedes albopictus

TitoloLarvicidal activity of steroidal saponins from Dracaena arborea on Aedes albopictus
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione2016
AutoriNya, P.C.B., Moretti Riccardo, Nicoletti M., Calvitti Maurizio, and Tomassini L.
RivistaCurrent Pharmaceutical Biotechnology
Volume17
Paginazione1036-1042
Abstract

Introduction: Development of new and improved mosquito control methods, that are economically sustainable and effective, is a critical requirement in the management of vector-borne epidemic diseases. Aedes albopictus is one of the main vectors of various important pathogens in the tropics, which now have the potential to also spread in temperate regions, owing to the environmental and climate changes in act. Materials and Methods: We report about the isolation of steroidal saponins from Dracaena arborea by fractionation followed by column separation. The obtained fractions and/or pure compounds were tested by biological essays for their insecticidal activity against A. albopictus larvae. Results: Various compounds were found to exert larvicidal effects. In specific, spiroconazole A demonstrated the best insecticidal activity, showing LT50 value of 57.23 hours at 25 ppm. Discussion: We finally discuss about the value of this finding in the context of the present strategies of Integrated Mosquito Management. © 2016 Bentham Science Publishers.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85008354789&doi=10.2174%2f1389201017666160725122615&partnerID=40&md5=0a689edb9943a4c388b38c06e8a8ee51
DOI10.2174/1389201017666160725122615
Citation KeyNya20161036