The reader of this book finds how the Center for Agroecological and Agroindustrial Development of SENA points to the transformation of by-products such as citrus peel, which are considered as waste in products used in food production. This is why he becomes familiar with how citrus peels can be used in order to design new products that have a functionality in the food industry, impacting in the same way on reducing contamination. This book intends to convey to the reader information such as background research carried out in the area of citrus products, composition of citrus residues, orange, Tahiti lemon, mandarin, passion fruit, Technological use of waste at an industrial level, Environmental impact of waste generated in the citrus industry, physicochemical characterization of innovative citrus fruit products, use of by-products in the meat, dairy and beverage industry.