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- Title
Sinergismo entre Ácidos orgânicos e Sorbato de potássio no controle de Aspergillusflavus.
- Authors
Rebonatto, Bianca; Ruschel, Janice; do Prado, Naimara Vieira; Yoko Hirooka, Elisa; Machado-Lunkes, Alessandra; Hiromi Hashimoto, Elisabete
- Abstract
The control of fungi in grain production requires strategies to prevent the contamination by mycotoxins. The replacement of chemical fungicides with organic acids (Generally Recognized as Safe) emerges as an interesting perspective. This work aimed to determine the minimum inhibitory concentration (MIC) of organic acids, potassium sorbate and their combinations to control Aspergillusflavus NRRL 3251, aflatoxin B1, B2 and M1 producer. The inoculum of 104 spores.mL-1was calculated based on the commonly contamination in maize and animal feed. The best MICs in vitro were: acetic acid (AA 83.26 mM) + propionic acid combination (PA 6.74 mM); AA (8.32 mM) + potassium sorbate (PS 13.31 mM) and PA (6.74 mM) + PS (33.28 mM). Considering the commercial used dose of propionic acid 0.5% in animal feed, the combination of propionic acid with potassium sorbate and acetic acid could reduce the cost with preservative of 24.63 and 70.19%, respectively.
- Publication
Segurança Alimentar e Nutricional, 2018, Vol 25, Issue 3, p114
- ISSN
1808-8023
- Publication type
Article
- DOI
10.20396/san.v25i3.8652765