The melamine adulteration scandal

Melamine, a nitrogen-rich chemical, has received much attention in recent years owing to a series of highly publicized food safety incidents. These include pet food recalls in North America in 2007 and the deaths of six infants and the illness of some 300,000 more in China in 2008 owing to the adulteration of milk, infant formula, and other milk-derived products. With contamination of human food and animal feed by melamine becoming a serious public health concern owing to its wide dissemination, there is an urgent need to understand why this scandal occurred and its consequences in depth. This review summarizes information relating to the manufacture, uses, occurrence and quantitative analysis of melamine and melamine analogues. Other sections deal with the unfolding of the melamine scandal and its aftermath, the toxicity and carcinogenicity of the compound and its analogues, interim safety measures and risk assessment.

[1]  M. Filigenzi,et al.  The determination of melamine in muscle tissue by liquid chromatography/tandem mass spectrometry. , 2007, Rapid communications in mass spectrometry : RCM.

[2]  M. Filigenzi,et al.  Assessment of Melamine and Cyanuric Acid Toxicity in Cats , 2007, Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc.

[3]  C. Pfaffenberger,et al.  Absorption and excretion of cyanuric acid in long-distance swimmers. , 1982, Drug metabolism reviews.

[4]  S. Turnipseed,et al.  Determination of Melamine and Cyanuric Acid Residues in Infant Formula using LC-MS/MS , 2008 .

[5]  Wing-Fu Lai,et al.  Revisiting the melamine contamination event in China: implications for ethics in food technology , 2009, Trends in Food Science & Technology.

[6]  C. H. Powell,et al.  Patty's Toxicology , 2001 .

[7]  L. B. Perkins,et al.  Determination of melamine in pet food by enzyme immunoassay, high-performance liquid chromatography with diode array detection, and ultra-performance liquid chromatography with tandem mass spectrometry. , 2008, Journal of AOAC International.

[8]  D. R. Durham,et al.  Metabolism of Melamine by Klebsiella terragena , 1997, Applied and environmental microbiology.

[9]  Cathy A. Brown,et al.  Outbreaks of Renal Failure Associated with Melamine and Cyanuric Acid in Dogs and Cats in 2004 and 2007 , 2007, Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc.

[10]  Microwave-Assisted Extraction of Melamine Residues from Pet Food and Analysis by Ion-Exchange LC–DAD , 2009 .

[11]  J. Huff,et al.  Urolithiasis and bladder carcinogenicity of melamine in rodents. , 1984, Toxicology and applied pharmacology.

[12]  E. Stokey,et al.  THE MODE OF ACTION OF THREE NEW DIURETICS: MELAMINE, ADENINE AND FORMOGUANAMINE , 1945 .

[13]  R. L. Carter,et al.  IARC Monographs on the Evaluation of the Carcinogenic Risk of Chemicals to Humans , 1980, IARC monographs on the evaluation of the carcinogenic risk of chemicals to humans.

[14]  Samson S. Y. Wong,et al.  Diagnosis and spectrum of melamine-related renal disease: plausible mechanism of stone formation in humans. , 2009, Clinica chimica acta; international journal of clinical chemistry.

[15]  S. Ehling,et al.  High-performance liquid chromatographic method for the simultaneous detection of the adulteration of cereal flours with melamine and related triazine by-products ammeline, ammelide, and cyanuric acid , 2007, Food additives and contaminants.

[16]  Yang Liu,et al.  A new approach to measure melamine, cyanuric acid, and melamine cyanurate using surface enhanced Raman spectroscopy coupled with gold nanosubstrates , 2008 .

[17]  Josef Schlatter,et al.  Evaluation of certain food additives and contaminants. , 2013, World Health Organization technical report series.

[18]  R. Kraska,et al.  Metabolism, disposition and excretion of [14C]melamine in male Fischer 344 rats. , 1983, Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association.

[19]  Renate Reimschuessel,et al.  Identification and characterization of toxicity of contaminants in pet food leading to an outbreak of renal toxicity in cats and dogs. , 2008, Toxicological sciences : an official journal of the Society of Toxicology.

[20]  R. Hütter,et al.  The degradative pathway of the s-triazine melamine. The steps to ring cleavage. , 1982, The Biochemical journal.

[21]  David Barboza Filler in Animal Feed Is Open Secret in China , 2007 .

[22]  J. Riviere,et al.  Estimating meat withdrawal times in pigs exposed to melamine contaminated feed using a physiologically based pharmacokinetic model. , 2008, Regulatory toxicology and pharmacology : RTP.

[23]  P. Varelis,et al.  Preparation of [13 C 3]-melamine and 13 C 3]-cyanuric acid and their application to the analysis of melamine and cyanuric acid in meat and pet food using liquid chromatography-tandem mass spectrometry , 2008, Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment.

[24]  A. James,et al.  Kent and Riegel's Handbook of industrial chemistry and biotechnology. 11th ed. , 2007 .

[25]  L. Perdigão,et al.  Surface self-assembly of the cyanuric acid-melamine hydrogen bonded network. , 2006, Chemical communications.

[26]  Amanda Deering,et al.  Melamine detection in infant formula powder using near- and mid-infrared spectroscopy. , 2009, Journal of agricultural and food chemistry.

[27]  O. Sparkman,et al.  Rapid and unambiguous identification of melamine in contaminated pet food based on mass spectrometry with four degrees of confirmation. , 2007, Journal of analytical toxicology.

[28]  R. Muñiz-Valencia,et al.  Method development and validation for melamine and its derivatives in rice concentrates by liquid chromatography. Application to animal feed samples , 2008, Analytical and bioanalytical chemistry.

[29]  C. H. Powell,et al.  Patty's toxicology. Volume 1: toxicology issues, inorganic particulates, dusts, products of biological origin and pathogens. , 2001 .

[30]  E. Garber,et al.  Detection of melamine using commercial enzyme-linked immunosorbent assay technology. , 2008, Journal of food protection.