Effect of trans-2-hexenal on the growth of Aspergillus flavus in relation to its concentration, temperature and water activity |
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| Authors: | F Gardini R Lanciotti & ME Guerzoni |
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| Institution: | Dipartimento di Protezione e Valorizzazione Agroalimentare, Università degli Studi di Bologna, Bologna, Italy. fgardini@kaiser.alma.unibo.it |
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| Abstract: | AIMS: The antifungal activity of trans-2-hexenal on Aspergillus flavus in a model system in relation to its concentration, incubation temperature and aw was assessed. METHODS AND RESULTS: A model describing the antifungal activity of the aldehyde in relation to these variables was obtained. CONCLUSION: According to this model, the inhibition of A. flavus was weakly dependent on the incubation temperature (at least within the range of values considered) and strongly affected by the trans-2-hexenal concentration and aw, which showed a remarkable synergistic effect. SIGNIFICANCE AND IMPACT OF THE STUDY: Trans-2-hexenal proved to be a molecule with remarkable antimicrobial properties, even when added in closed systems at low concentration. |
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