Chitosan and Alginate Frontiers – Innovations and Applications in Life Sciences, Food, and Industry provides a concise overview of chitosan as a sustainable, multifunctional biopolymer. Moving beyond its role as a biodegradable material, chitosan is now recognized as a frontier resource in medicine, biotechnology, food science, and industry. The volume highlights its potential across drug delivery, regenerative materials, smart biomaterials, and environmental technologies, demonstrating both scientific progress and societal relevance. With its unique combination of biocompatibility, biodegradability, and antimicrobial activity, chitosan offers innovative solutions that connect healthcare, sustainability, and industrial development. This book provides an accessible yet rigorous reference for researchers, clinicians, engineers, and professionals seeking to understand and apply this natural polymer as a sustainable, transformative material for modern applications.

Alongside chitosan, alginate stands at the forefront of modern biomaterials, offering an exceptional combination of biocompatibility, structural versatility, and functional responsiveness. Extracted primarily from brown seaweed, this naturally occurring polysaccharide has evolved from a simple thickening agent into a transformative platform for advanced scientific and industrial innovation. Its unique ability to form ionically cross-linked hydrogels enables precise modulation of mechanical strength, porosity, and degradation behavior, properties that have positioned alginate as a cornerstone in regenerative medicine, drug delivery, tissue engineering, and cell encapsulation. Beyond biomedical frontiers, alginate is driving advancements in food preservation, nano-encapsulation, wound care, and environmentally sustainable packaging. With its remarkable chemical tunability, low toxicity, and compatibility with emerging technologies such as 3D bioprinting and smart materials design, alginate continues to redefine what is possible across life sciences and applied industries. This book highlights its evolving capabilities and highlights the innovations shaping alginate’s future impact.

Chitosan and alginate emerge as versatile, sustainable biopolymers driving innovation across medicine, biotechnology, food science, and industry. Their biocompatibility, tunability, and functional properties enable breakthroughs in drug delivery, regenerative materials, smart biomaterials, and sustainable packaging. This volume offers a concise, authoritative guide to their transformative roles in modern applications.