Abstract
With the rapid development of food industry and the improvement of living condition, the phenomenon of economically motivated adulteration (EMA) is an extremely issue of concern due to people's increasing requirements for food safety. Nowadays, the major EMA incidents include substitution of varieties, mislabeling of geographical origin, interfusion of poor quality, incorporation of inferiority, etc. Therefore, it is urgent to establish an efficient authentication technology to identify these incidents. Metabolomics is defined as the quantitative and qualitative analysis of large quantity of metabolites as a whole in a given sample, which has huge advantages in nontargeted analysis. Nowadays, metabolomics has been adopted extensively by researchers from all over the world to study the food safety problems, which provided an alternative research tool to identify the EMA incidents. In this chapter, the progress and applications of metabolomics in identification of food varieties, geographical origin, quality and counterfeits have been reviewed, which provides technical support to ensure food quality and safety and protect the interests of consumers.
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