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Characteristic Markers: A Review
Zhao Luyao, Duan Xiaoliang, Zhang Dong, Liu Jianlei, Chang Liu, Shang Bo, Sun Hui
（Academy of National Food and Strategic Reserves Administration, Beijing 100037）
Abstract: Grain and oil adulteration and identification has been a research hotpot in the field of
food quality and safety worldwide. Potential markers has the advantages of high sensitivity and
good specificity, which has developed rapidly in this field recently. In this paper, the research
progress of biomarkers based on element analysis, isotope analysis, metabolomics and DNA
fingerprinting in cereals and oils were reviewed. The development trend was prospected, which
may provide the basis for the discovery of characteristic biomarkers in various grain and oil and
the best adulteration identification technology.
Key words: Marker; Adulteration; Identification; Grain and oil; Review