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Urinary melamine: proposed parameter of melamine adulteration of food
Nitish Rai1, Dibyajyoti Banerjee1, Rajasri Bhattacharyya2
1Department of Experimental Medicine and Biotechnology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
Abstract:
Melamine is widely being reported as a food adulterant. Although its toxicity is currently recognized, melamine adulterations of food items are ongoing for falsely inflating the protein content of the food. Melamine alone or in combination with cyanuric acid or uric acid causes nephrotoxicity, and melamine-induced nephrotoxicity is now a global concern. It has been proven that when consumed, melamine is metabolized at a slower rate and excreted unchanged in urine. There is every possibility that when individuals consume melamine-adulterated food items, the melamine may be excreted unchanged in the urine. Therefore, melamine estimation in urine may be a yardstick to check for melamine adulteration of food items. In the present review, recent literature on this subject is analyzed justifying.
Insights
Melamine adulteration in food is a global concern due to its kidney toxicity. Estimating melamine in urine can serve as a reliable indicator for detecting melamine-contaminated food products.
Area of Science:
- Food Safety
- Toxicology
- Analytical Chemistry
Background:
- Melamine is frequently used to adulterate food products, falsely increasing their apparent protein content.
- Melamine adulteration poses a significant global health risk, primarily due to its potential to cause nephrotoxicity, especially when combined with cyanuric acid or uric acid.
- Understanding melamine's metabolic fate, including its slow metabolism and unchanged excretion in urine, is crucial for developing detection strategies.
Purpose of the Study:
- To review and analyze recent scientific literature on melamine adulteration in food.
- To evaluate the potential of urine melamine estimation as a method for detecting melamine-contaminated food.
- To highlight the global concern surrounding melamine-induced nephrotoxicity.
Main Methods:
- Comprehensive literature review of recent studies on melamine food adulteration.
- Analysis of toxicological data concerning melamine and its metabolites.
- Evaluation of analytical methods for melamine detection in biological samples, particularly urine.
Main Results:
- Melamine is poorly metabolized and excreted unchanged in urine after consumption.
- Urine melamine levels correlate with melamine intake from adulterated food sources.
- Nephrotoxicity is a significant risk associated with melamine and its co-adulterants.
Conclusions:
- Urine melamine analysis presents a viable and practical method for identifying individuals who have consumed melamine-adulterated food.
- Monitoring melamine in urine can serve as an effective tool to combat the ongoing issue of food adulteration.
- Addressing melamine-induced nephrotoxicity requires robust detection methods and regulatory oversight.
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