AVALIAÇÃO QUANTITATIVA E QUALITATIVA DE PROBIÓTICOS EM LEITES FERMENTADOS COMERCIALIZADOS
AVALIAÇÃO QUANTITATIVA E QUALITATIVA DE PROBIÓTICOS EM LEITES FERMENTADOS COMERCIALIZADOS
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DOI: https://doi.org/10.22533/at.ed.8192409045
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Palavras-chave: saúde; probióticos; fermentação; contagem de colônia microbiana, teste de sensibilidade microbiana.
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Keywords: health; probiotics; fermentation; colony count, microbial; microbial sensitivity tests.
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Abstract: The aim of this study is to quantitatively and qualitatively evaluate the probiotics present in commercially available fermented milk. Commercial fermented milks identified as LC16 and LC40 were subjected to microbial count, determination of titratable acidity, and antimicrobial sensitivity profile testing (antibiogram). The concentration of probiotics and titratable acidity of the samples analyzed were in accordance with the parameters determined by Normative Instruction No. 46 of 2007, which approves the Technical Regulation of Identity and Quality of Fermented Milks. The antibiogram revealed resistance patterns in the probiotics in relation to certain tested antimicrobial agents. This finding suggests the potential for transmission of plasmid-mediated resistance genes to other bacteria, representing a potential epidemiological hazard. Further investigations are necessary to validate the extent of this risk and assess the impact of probiotic resistance to antimicrobials on consumer safety.
- Rafaela garcia de Oliveira
- Gustavo Lucas Costa Valente
- Isabella Carneiro Motta