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Updated: Jul 3, 2026

Hydrogen Charging of Aluminum using Friction in Water

Hydrogen Charging of Aluminum using Friction in Water

Published on: January 28, 2020

Aluminium migration into beverages: are dented cans safe?

Marta I S Veríssimo¹, M Teresa S R Gomes

¹CESAM & Department of Chemistry, University of Aveiro, Aveiro, Portugal.

The Science of the Total Environment

|August 2, 2008

Summary

Aluminium migration into beer and tea from cans increases over time. Dented cans significantly accelerate aluminium leaching, especially into tea, posing a potential health concern.

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Casting Protocols for the Production of Open Cell Aluminum Foams by the Replication Technique and the Effect on Porosity

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Published on: December 11, 2014

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Last Updated: Jul 3, 2026

Hydrogen Charging of Aluminum using Friction in Water

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Published on: January 28, 2020

Casting Protocols for the Production of Open Cell Aluminum Foams by the Replication Technique and the Effect on Porosity

Casting Protocols for the Production of Open Cell Aluminum Foams by the Replication Technique and the Effect on Porosity

Published on: December 11, 2014

Area of Science:

Food science and technology
Materials science
Environmental health

Background:

Aluminium cans are widely used for beverages like beer and tea.
Understanding metal migration into food and drinks is crucial for consumer safety.
Previous studies have indicated potential for aluminium leaching, but long-term effects and the impact of can integrity require further investigation.

Purpose of the Study:

To quantify aluminium migration into beer and tea over time.
To assess the impact of can integrity (dented vs. intact) on aluminium migration.
To determine the rate of aluminium accumulation in canned beverages until their sell-by date.

Main Methods:

Longitudinal study of aluminium concentration in canned beer and tea.
Analysis of aluminium levels at regular intervals until the product's sell-by date.
Comparative analysis of aluminium migration in intact versus dented cans.

Main Results:

Aluminium levels increased by 0.14 mg/L in beer and 0.6 mg/L in tea over seven months.
Dented cans showed significantly higher aluminium migration, particularly into tea.
Aluminium concentration in dented canned tea increased by 9.6 mg/L within seven months.

Conclusions:

Aluminium migration from cans into beverages is a time-dependent process.
Can damage, such as dents, dramatically accelerates aluminium leaching into drinks.
The findings highlight potential risks associated with consuming beverages from damaged aluminium cans, especially tea.