Analysis of Food and Feed for Trace DNA
The foremost association with the analysis of DNA in food or feed samples is usually the identification of genetically modified organisms (GMOs). Although this is a major application of (quantitative) PCR, this method has a much broader field of application. New regulations and the public concern about unwanted food components are drawing more and more attention to the extremely sensitive analysis of DNA. Organisms with allergenic potential can be detected based on their unique DNA patterns, and the authenticity of food can also be tested through the PCR-based determination of species. Undesired (micro)organisms are often a target of DNA-based analyses because other methods lack the required sensitivity or are overly time consuming.