1. IntroductionBoth the food industry and consumers are focusing heavily onfood safety, quality and sustainability. One of the key issues in foodquality is the authentication of food components. Food authentica-tion is a major concern not only for the prevention of commercialfraud, but also for the assessment of safety risks deriving fromthe undeclared introduction of any food ingredient that might beharmful to human health, such as potentially allergenic or toxiccompounds