Food & life · 2000
Was Cronobacter detected in powdered infant formulas sold in Rio de Janeiro?
No Cronobacter spp. contamination was detected in any of the 60 powdered infant formula samples tested: 30 formulas for ages 0–6 months and 30 follow-up formulas for ages over 6 months.
Details
Cronobacter spp. are opportunistic bacteria associated with infection outbreaks in neonates and infants linked to the consumption of powdered infant formulas (PIF). In this context, regulators have established specific standards for manufacturers to control these pathogens in PIF.
This laboratory-based occurrence survey aimed to evaluate Cronobacter spp. in 60 PIF samples sold in Rio de Janeiro, Brazil. Researchers analyzed 30 samples of infant formulas for ages 0–6 months and 30 samples of follow-up infant formulas for ages over 6 months, using the conventional methods described in the Bacteriological Analytical Manual Online-FDA (2012). Characteristic colonies were identified using the ID32E and API20E kits, the Vitek 2.0 system, and polymerase chain reaction (PCR) targeting the gluA gene.
None of the samples showed contamination by Cronobacter spp. The authors concluded that the occurrence of Cronobacter spp. in PIF appears to be low, indicating that producers are complying with the Brazilian standards in force to prevent contamination of the product by this microorganism.
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