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Acta toxicológica argentina

versión On-line ISSN 1851-3743


SEBASTIAN, Iezzi et al. Aluminum concentration in cooked beef stored in disposable aluminum trays . Acta toxicol. argent. [online]. 2019, vol.27, n.1, pp.13-18. ISSN 1851-3743.

Aluminium can be consumed by people through contamination of foods and in water. Heavy metals in foods of animal origin are a potential risk to the health of consumers. It is common practice in some countries that ready-to-eat cooked meals are often presented and maintained hot in aluminium trays in retail outlets such as fast food take-out stores and supermarkets. There are not available information about the detachment of metal in this kind of container food preservation. The objective of this study was to determine the concentration of aluminium in meat and cooking liquids stored in disposable aluminium trays. The design of the study included cooked beef meat stored either alone, or in an aqueous sauce of herbs at pH 7, or in a citric (base of lemon) aqueous sauce at pH 4, to simulate a range of conditions found in retail practice. The Joint FAO/WHO Expert Committee on Food Additives established a provisional tolerable weekly intake of 2 mg Al kg body weight-1. A single 250 g portion of meat in acid sauce stored in a heated aluminium tray for 1, 2, 4, or 8 hours would contribute 0.9%, 3.4%, 6.9% or 19.8% towards this tolerable limit, respectively. Although the aluminium content in meat held warm for long periods in aluminium foil trays does not approach the consumption limits currently recommended, this study provides data that suggest that is may be prudent to limit consumption of ready-to eat meat-based meals with acid sauces stored warm in aluminium containers for extended times.

Palabras clave : Meat; Consumer; Metals; Aluminum foil trays; Contamination.

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