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Revista de Ciências Agrárias
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Revista de Ciências Agrárias
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Avaliação da multiplicação de Listeria monocytogenes e da atividade antimicrobiana do Biomax D® em nata

Evaluation of multiplication of Listeria monocytogenes and antimicrobial activity of Biomax D® in cream
Authors: Biasus,Ana Paula; Chaves,Ana Paula; Silva,Wladimir Padilha da; Luz,Cleuzir da; Schittler,Liziane;

Avaliação da multiplicação de Listeria monocytogenes e da atividade antimicrobiana do Biomax D® em nata

Abstract

Avaliou-se a multiplicação de Listeria monocytogenes em nata, um derivado lácteo com alto teor de gordura, bem como a atividade antilisteria do Biomax D® neste alimento. A atividade antilisteria do Biomax foi comparada com a da nisina. Foram utilizados seis tratamentos: T1: nata + 102 UFC.g-1 de L. monocytogenes; T2: nata + 102UFC.g-1 de L. monocytogenes + 2,5ppm de nisina; T3: nata + 102 UFC.g-1 de L. monocytogenes + 1,5% de Biomax; T4: nata + de 105 UFC.g-1 de L. monocytogenes; T5: nata + de 105 UFC.g-1 de L. monocytogenes + 2,5ppm de nisina; T6: nata + de 105 UFC.g-1 de L. monocytogenes + 1,5% de Biomax. A contagem de L. monocytogenes foi realizada em três tempos de armazenamento a 8°C (zero, 6º, 14° e 20° dia), com médias variando entre 2 e 10 log UFC.g-1 nos tratamentos sem adição de nisina e Biomax, entretanto, houve eliminação do micro-organismo nos tratamentos adicionados dos antimicrobianos. Verificou-se que L. monocytogenes se desenvolve em nata, podendo atingir elevados níveis de contaminação, mesmo quando apresentava baixas contagens iniciais. Além disso, observou-se que Biomax possui atividade antilisteria semelhante à nisina neste derivado lácteo, apresentando potencial para ser utilizado como antimicrobiano natural para o controle de L. monocytogenes em alimentos gordurosos.

Revista de Ciências Agrárias, vol. 39 n.º 2 (2016)

Keywords

Biomax D®, nisina, nata, antimicrobianos

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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!
1
Average
Average
Average
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