Feeding deterrents from Aconitum episcopale roots against the red flour beetle, Tribolium castaneum.
J Agric Food Chem
; 59(8): 3701-6, 2011 Apr 27.
Article
em En
| MEDLINE
| ID: mdl-21417277
ABSTRACT
The screening for insecticidal principles from several Chinese medicinal herbs showed that the ethanol extract of Aconitum episcopale roots possessed significant feeding deterrence against the red flour beetle, Tribolium castaneum . From the ethanol extract, six feeding deterrents were isolated by bioassay-guided fractionation. The compounds were identified as chasmanine, crassicauline A, karacoline, sachaconitine, talatisamine, and yunaconitine from their spectroscopic data. Chasmanine, talatisamine, karacoline, and sachaconitine exhibited feeding deterrent activity against T. castaneum adults, with EC(50) values of 297.0, 342.8, 395.3, and 427.8 ppm, respectively. Yunaconitine and crassicauline A also possessed feeding deterrent activity against T. castaneum adults, with EC(50) values of 653.4 and 1134.5 ppm, respectively.
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Tribolium
/
Extratos Vegetais
/
Raízes de Plantas
/
Aconitum
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Comportamento Alimentar
Limite:
Animals
Idioma:
En
Ano de publicação:
2011
Tipo de documento:
Article