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Infant milk formulas: Effect of storage conditions on the stability of powdered products towards autoxidation

Infant milk formulas: Effect of storage conditions on the stability of powdered products towards autoxidation

Cesa, Stefania, Casadei, Maria, Cerreto, Felice and Paolicelli, Patrizia (2015) Infant milk formulas: Effect of storage conditions on the stability of powdered products towards autoxidation. Foods, 4 (3). pp. 487-500. ISSN 2304-8158 (Print), 2304-8158 (Online) (doi:10.3390/foods4030487)

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Abstract

Thirty samples of powdered infant milk formulas containing polyunsaturated fatty acids (PUFAs) have been stored at four different temperatures (20, 28, 40 and 55 °C) and periodically monitored for their malondialdehyde (MDA) content up to one year. MDA levels ranged between 250 and 350 ng/kg in sealed samples with a maximum of 566 ng/kg in samples stored at 28 °C for three weeks after opening of their original packages, previously maintained for ten months at 20 °C. Sample stored at 40° and 55 °C were also submitted to CIE (Commission Internationale de l’Eclairage) colorimetric analysis, since color is the first sensorial property that consumers may evaluate. Overall, the results demonstrated a good stability of PUFA-enriched infant milk formulas in terms of MDA content. However, some care has to be paid when these products are not promptly consumed and stored for a long time after first opening.

Item Type: Article
Additional Information: © 2015 by the authors; licensee MDPI, Basel, Switzerland. This is an open access article distributed under the Creative Commons Attribution License (CC BY 4.0).
Uncontrolled Keywords: Infant milk formulas; shelf-life; lipid peroxidation; malondialdehyde; colorimetry
Subjects: R Medicine > RJ Pediatrics > RJ101 Child Health. Child health services
Faculty / Department / Research Group: Faculty of Engineering & Science > Department of Life & Sports Sciences
Related URLs:
Last Modified: 17 Oct 2016 09:14
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/15755

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