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
Dans Anglais
| LILACS
| ID: biblio-1155533
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.
Texte intégral:
Disponible
Indice:
LILAS (Amériques)
Sujet Principal:
Aedes
/
Vecteurs moustiques
/
Insecticides
Limites du sujet:
Animaux
langue:
Anglais
Texte intégral:
Rev. Soc. Bras. Med. Trop
Thème du journal:
Médecine tropicale
Année:
2021
Type:
Article
Pays d'affiliation:
Brésil
Institution/Pays d'affiliation:
Universidade Estadual do Centro Oeste/BR
/
Universidade Federal do Paraná/BR
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