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REVISTA DO INSTITUTO ADOLFO LUTZ
Article . 2012 . Peer-reviewed
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Avaliação das atividades antifúngica e antimicotoxina de extratos fenólicos de farelo de arroz

Authors: Michele Moraes de Souza; Meritaine da Rocha; Melissa dos Santos Oliveira; Eliana Badiale-Furlong;

Avaliação das atividades antifúngica e antimicotoxina de extratos fenólicos de farelo de arroz

Abstract

Neste trabalho, foram feitas associações dos níveis de compostos fenólicos obtidos de farelo de arroz com a inibição da multiplicação dos fungos Fusarium graminearum, Aspergillus oryzae e Aspergillus flavus, e a inibição da produção de aflatoxinas pelo último micro-organismo. Os compostos fenólicos foram extraídos com metanol e quantificados colorimetricamente com o reagente de Folin-Ciocalteau. A atividade antifúngica foi avaliada pela técnica de ágar diluído. Todos os fungos tiveram seu desenvolvimento inibido em até 2,3% inibição/μg fenol total na presença do extrato fenólico de farelo de arroz, além da inibição da produção de micotoxinas em 100%. Esses dados sugerem que o arroz possui defesas naturais contra o ataque por essas espécies fúngicas analisadas, e que podem estar associadas à ocorrência de ácidos fenólicos na sua composição.

  • BIP!
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    selected citations
    These citations are derived from selected sources.
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    3
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Average
Powered by OpenAIRE graph
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
3
Average
Average
Average
gold