Chemistry and Biochemistry Introduction-Offal Meat: Definitions, Regions, Cultures, and Generalities Leo M.L. Nollet and Fidel Toldra Food Grade Proteins from Animal By-Products: Their Usage and Detection Methods Yun-Hwa Peggy Hsieh and Jack Appiah Ofori Analysis of Rendered Fats Stephen B. Smith and Dana R. Smith Analysis of Cholesterol in Edible Animal By-Products Neura Bragagnolo Oxidation Mario Estevez, Sonia Ventanas, Rui Ganhao, and David Morcuende Technological Quality Color Measurements on Edible Animal By-Products and Muscle Based Foods Jose Angel Perez-Alvarez, Maria Estrella Sayas-Barbera, Esther Sendra Nadal, and Juana Fernandez-Lopez Nutritional Quality Composition and Calories Karl-Otto Honikel Essential Amino Acids Maria-Concepcion Aristoy and Fidel Toldra Fatty Acids. Jose A. Mestre Prates, Cristina Mateus Alfaia, Susana P. Alves,and Rui J. Branquinho Bessa Vitamins Young-Nam Kim Minerals and Trace Elements Guadalupe Garcia-Llatas, Amparo Alegria, Reyes Barbera, and Rosaura Farre Safety Spoilage Detection Isabel Guerrero-Legarreta Microbial Foodborne Pathogens Eleftherios H. Drosinos, Spiros Paramithiotis, and Nikolaos Andritsos Mycotoxins and Toxins Carla Soler, Jose Miguel Soriano, and Jordi Manes Detection of Bone in Meat. Wolfgang Branscheid and Michael Judas Detection of Adulterations: Identification of Animal Species. Johannes A. Lenstra and Stephan A. van der Heijden Detection of Neuronal Tissues and Other Non-Muscle Tissues with Respect to TSE Ernst Lucker, Mitja Malunat, and Katharina Riehn Residues of Food Contact Materials. Emma L. Bradley and Laurence Castle Growth Promoters Milagro Reig and Fidel Toldra Antibiotics Houda Berrada and Guillermina Font Environmental Contaminants: Pesticides Pablo Vazquez-Roig and Yolanda Pico Environmental Contaminants: Heavy Metals Giovanni Forte and Beatrice Bocca Environmental Contaminants: Polychlorinated Biphenyls in Edible Animal By-Products Jose A. Garcia Regueiro and Massimo Castellari Index