Melamine detection in milk using vibrational spectroscopy and chemometrics analysis: A review

Major advances in the field of chemometrics combined with the use of vibrational spectroscopy have proven essential for the identification and quantification of food contaminants. These techniques, which have guided the work of regulatory agencies overlooking the food industry, can be readily applie...

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Bibliographic Details
Published in:Food research international 2014-06, Vol.60, p.131-139
Main Authors: Domingo, Elisângela, Tirelli, Aline Auxiliadora, Nunes, Cleiton Antonio, Guerreiro, Mario César, Pinto, Sandra Maria
Format: Article
Language:English
Subjects:
Adulteration
Chemometrics
Contaminants
Dairy products
Economics
Foods
Human health
Melamine
Milk
Multivariate methods
Regulatory agencies
Spectroscopy
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Summary:Major advances in the field of chemometrics combined with the use of vibrational spectroscopy have proven essential for the identification and quantification of food contaminants. These techniques, which have guided the work of regulatory agencies overlooking the food industry, can be readily applied to monitor food processing, quality control, and quality assurance. These processes can ensure product authenticity with respect to variety, geographical origin, and presence or absence of contaminants. Food analysis by vibrational spectroscopy provides overall chemical composition of the tested food sample; therefore, it is widely considered to be a highly reliable and empirical fingerprints of that samples. In 2008, melamine adulteration of milk powder in China resulted in devastatingly adverse effects for both consumers and the overall Chinese economy at large. As a result, regulatory agencies have markedly increased their interest in using fast, reliable, and accurate methods for identifying food contaminants. In this article, we provide a detailed overview of the uses of vibrational spectroscopy methods and chemometrics for the detection and quantification of melamine in dairy products. •Vibrational spectroscopic and chemometric methods have been used to detect melamine.•Medium and near infrared spectroscopy showed the same efficiency in detecting melamine.•PLS is the chemometric method more used to analyze data from infrared spectroscopy.•Raman spectroscopy can be used to detect and quantify melamine.•Further studies using chemometric methods and Raman spectroscopy should be realized.
ISSN:0963-9969
1873-7145
DOI:10.1016/j.foodres.2013.11.006