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Activity of the aqueous extract from Polymnia sonchifolia leaves on growth and production of aflatoxin B1 by Aspergillus flavus BJM
Pinto,Marina M.; Gonçalez,Edlayne; Rossi,Maria H.; Felício,Joana D.; Medina,Cláudia S.; Fernandes,Maria J.B.; Simoni,Isabela C..
The aqueous extract from Polymnia sonchifolia leaves (AE) was tested for inhibitory activity on aflatoxin B1(AFB1) production and growth of Aspergillus flavus. The cytotoxicity of AE on Vero cells was also performed. Suspensions of A. flavus spores were inoculated into 50 mL of YES medium together with different concentrations of the AE. The aflatoxin B1 was extracted, analyzed by thin layer chromatography and quantified by photodensitometry. All the concentrations of AE induced inhibition of AFB1 production. The aqueous extract showed in vitro cytotoxicity to Vero cells only at concentrations above 500 µg/mL.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Aflatoxin B1; Aspergillus flavus; Polymnia sonchifolia; Cytotoxicity.
Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822001000200011
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