Reduction of aflatoxins by Rhizopus oryzae and Trichoderma reesei

H. C.S. Hackbart*, A. R. Machado, A. Christ-Ribeiro, L. Prietto, E. Badiale-Furlong

*Autor correspondente para este trabalho

Resultado de pesquisarevisão de pares

40 Citações (Scopus)

Resumo

This study evaluated the ability of the microorganisms Rhizopus oryzae (CCT7560) and Trichoderma reesei (QM9414), producers of generally recognized as safe (GRAS) enzymes, to reduce the level of aflatoxins B1, B 2, G1, G2, and M1. The variables considered to the screening were the initial number of spores in the inoculum and the culture time. The culture was conducted in contaminated 4 % potato dextrose agar (PDA) medium, and the residual mycotoxins were determined every 24 h by HPLC-FL. The fungus R. oryzae has reduced aflatoxins B1, B 2, and G1 in the 96 h and aflatoxins M1 and G2 in the range of 120 h of culture by approximately 100 %. The fungus T. reesei has reduced aflatoxins B1, B2, and M 1 in the 96 h and aflatoxin G1 in the range of 120 h of culture by approximately 100 %. The highest reduction occurred in the middle of R. oryzae culture.

Idioma originalEnglish
Páginas (de-até)141-149
Número de páginas9
RevistaMycotoxin Research
Volume30
Número de emissão3
DOIs
Estado da publicaçãoPublicado - ago. 2014

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