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High melamine migration in daily-use melamine-made tableware.
Chao-Yi Chien1, Chia-Fang Wu, Chia-Chu Liu
1Graduate Institute of Occupational Safety and Health, Kaohsiung Medical University, Kaohsiung, Taiwan.
Journal of Hazardous Materials
|February 25, 2011
Summary
Melamine tableware can leach significant amounts of melamine into food, especially under high temperatures and acidic conditions. Cheaper melamine products showed higher migration, highlighting the need for careful selection of food contact materials.
Area of Science:
- Food safety and toxicology
- Materials science
- Analytical chemistry
Background:
- Melamine is a common material used in tableware manufacturing.
- Tableware represents a potential source of human exposure to melamine.
- Understanding melamine migration is crucial for public health.
Purpose of the Study:
- To quantify melamine migration from various tableware materials.
- To investigate the influence of temperature, contact time, and food simulant on melamine release.
- To assess the correlation between tableware cost and melamine migration levels.
Main Methods:
- Utilized liquid chromatography-tandem mass spectrometry (LC-MS/MS) for sensitive melamine detection.
- Tested tableware samples with distilled water and 3% acetic acid at temperatures ranging from 20°C to 90°C.
- Incubated samples for 15 and 30 minutes to simulate food contact scenarios.
Main Results:
- High melamine migration (6.97–19.03 μg/ml) was observed from melamine tableware under harsh conditions (90°C, 3% acetic acid, 30 min).
- Melamine was undetectable in non-melamine tableware under identical conditions.
- Lower-priced melamine tableware exhibited significantly higher melamine migration levels.
Conclusions:
- Melamine migration from tableware is influenced by temperature, contact duration, food simulant acidity, and product cost.
- Consumers should exercise caution when selecting melamine tableware, particularly cheaper options, due to potential health risks.
- Further research into safer food contact materials is warranted.
