The safety of at home powdered infant formula preparation: a community science project

Grant, Aimee, Jones, Sara, Sibson, Vicky, Ellis, Rebecca, Dolling, Abbie, McNamara, Tara, Cooper, Jonie, Dvorak, Susan, Breward, Sharon, Buchanan, Phyll, Yhnell, Emma ORCID: https://orcid.org/0000-0003-3960-5181 and Brown, Amy 2024. The safety of at home powdered infant formula preparation: a community science project. Maternal and Child Nutrition 20 (1) , e13567. 10.1111/mcn.13567

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Abstract

Formula fed infants experience gastrointestinal infections at higher rates than breastfed infants, due in part to bacteria in powdered infant formula (PIF) and bacterial contamination of infant feeding equipment. The United Kingdom National Health Service (UK NHS) has adopted the World Health Organization recommendation that water used to reconstitute PIF is ≥70°C to eliminate bacteria. We used community science methods to co‐design an at home experiment and online questionnaire (‘research diary’) to explore the safety of PIF preparation compared to UK NHS guidelines. 200 UK‐based parents of infants aged ≤12 months were recruited; 151 provided data on PIF preparation, and 143 were included in the analysis of water temperatures used to reconstitute PIF. Only 14.9% (n = 11) of 74 PIF preparation machines produced a water temperature of ≥70°C compared with 78.3% (n = 54) of 69 kettle users (p < 0.001). The mean temperature of water dispensed by PIF preparation machines was 9°C lower than kettles (Machine M = 65.78°C, Kettle M = 75.29°C). Many parents did not always fully follow NHS safer PIF preparation guidance, and parents did not appear to understand the potential risks of PIF bacterial contamination. Parents should be advised that the water dispensed by PIF preparation machines may be below 70°C, and could result in bacteria remaining in infant formula, potentially leading to gastrointestinal infections. PIF labelling should advise that water used to prepare PIF should be ≥70°C and highight the risks of not using sufficiently hot water, per WHO Europe advice. There is an urgent need for stronger consumer protections regarding PIF preparation devices.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Biosciences
Additional Information:	License information from Publisher: LICENSE 1: URL: http://creativecommons.org/licenses/by/4.0/
Publisher:	Wiley Open Access
ISSN:	1740-8695
Date of First Compliant Deposit:	5 October 2023
Date of Acceptance:	5 September 2023
Last Modified:	23 Jan 2024 13:53
URI:	https://orca.cardiff.ac.uk/id/eprint/162962

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