Abstract

Food fingerprint can be defined as a specific molecular marker diagnostic for a characteristic food/nutritional state or condition. In this chapter, we review the powerful and potential application of proteomics technologies for the discovery and validation of protein food fingerprints applied to food quality and authenticity challenges. For this purpose, two consecutive phases of the proteomics pipeline used in many laboratories (discovery and target-driven stages) are described in detail. The potentiality of this workflow is emphasized using different subjects concerning to food quality and safety. Food authentication, allergen detection, microorganism contamination, and quality changes during the storage and processing are the main topics where proteomics is being successfully applied. Finally, future directions and new potential perspectives are also provided.

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