Preliminary evaluation of the larvicidal activity of extracts and fractions from Ocotea nutans (Nees) Mez against Aedes aegypti
Rev. Soc. Bras. Med. Trop
; 54: e0576-2020, 2021. tab
Article
em En
| LILACS
| ID: biblio-1155533
Biblioteca responsável:
BR1.1
ABSTRACT
Abstract INTRODUCTION:
Aedes aegypti is the main vector of dengue and yellow fever. Recently, the use of plant-sourced larvicides has gained momentum.METHODS:
The hydroethanolic extracts and fractions ofOcotea nutansleaves and stems were bioassayed to determine the larvicidal efficacy of these samples.RESULTS:
S-HEX (hexane fraction from the crude stem extract) demonstrated high potential for controlling third-stage larvae, with an LC50 of 14.14 µg.mL-1 (concentration required to inhibit 50% of the treated larvae). CONCLUSIONS Extracts from O. nutans were effective against third-stage larvae ofA. aegyptiafter 24 h of exposure.Palavras-chave
Texto completo:
1
Base de dados:
LILACS
Assunto principal:
Aedes
/
Mosquitos Vetores
/
Inseticidas
Limite:
Animals
Idioma:
En
Ano de publicação:
2021
Tipo de documento:
Article