Palavras-chave
contaminação
produtos naturais
segurança alimentar
Cladosporium
Como Citar
Resumo
Cladosporium spp. é um grupo de fungos dematiáceos relevantes para os alimentos, que podem ser dispersos pelo ambiente e causar deterioração e intoxicação alimentar. Considerando a importância da contaminação fúngica, os produtos naturais usados para controlar seu crescimento são importantes. Neste contexto, o objetivo deste estudo foi avaliar os efeitos inibitórios de dois monoterpenoides, geraniol e citronelol, contra cepas de Cladosporium carrioni, C. cladosporioides e C. oxysporum. A Concentração Inibitória Mínima (CIM) e Concentração Fungicida Mínima (CFM) das drogas foram determinadas por microdiluição. Os efeitos das drogas-teste sobre a massa micelial seca, a germinação de conídios e a conidiogênese de Cladosporium spp. também foram investigados utilizando um hemocitômetro. Os valores de CIM e CFM do citronelol variaram de 256 a 512 μg/mL e de 256 a 2048 μg/mL, respectivamente. CIM e CFM de geraniol variaram de forma semelhante. A germinação de conídios, massa micelial seca e conidiogênese de Cladosporium spp. foram inibidas pelas drogas-teste 1/2CIM, CIM e 2xCIM (p< 0,05). Esses eventos celulares são essenciais para a infecção e desenvolvimento fúngico em alimentos. A ação de citronelol e geraniol contra Cladosporium spp. sugere que podem servir como agentes eficazes para controlar a contaminação fúngica e o seu crescimento em alimentos.Referências
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Este trabalho está licenciado sob uma licença Creative Commons Attribution 4.0 International License.
Copyright (c) 2017 Aldeir Sabino dos Santos, Gezaíldo Santos Silva, Kaltz Victor Souza Silva, Maria Islaine de Oliveira Lima, Juliana Moura Mendes Arrua, Edeltrudes de Oliveira Lima, Fillipe de Oliveira Pereira