This unique book will enable engineers and natural-based polymer scientists to achieve multi-functionality in products using soy protein and various nano- and micro-sized biobased materials and reinforcements. Many of the recent research accomplishments in the area of soy-based blends, composites and bionanocomposites are presented in this book. In addition to introducing soy protein and its structure and relationship properties, the book covers many other relevant topics such as the state-of-the-art, new challenges, advances and opportunities in the field such as: biomedical applications of soy protein; electrospinning of soy protein nanofibers, their synthesis and applications; soy protein-based materials rheology; soy proteins as a potential source of active peptides of nutraceutical significance; soy protein isolate-based films; and use of soy protein-based carriers for encapsu??lating bioactive ingredients.