This book systematically covers immunoassays for food, presenting detailed approaches such as antigen design, food matrix pre-treatment and detection format optimization for 9 classes of food hazards and nutrition constituents. Offering ideas on how to improve the efficiency of recognized xenobiotics and food contents, this practical book also describes the discovery and utilization of novel immune agents like aptamer and molecular imprinted polymers in food analysis. It is intended for a broad range of areas, including biologists and food chemists, and is sure to become a key reference resource for students and professionals alike.