This book explores the present era of globalized food supply chains, associated complexities, and concerns over the maintenance of food quality and safety. It deepens the knowledge on technological innovations and applications of natural additives in foods and their applications in sustainable packaging to ensure food safety and quality as well as acts as a tool to plan for further developments in this emerging area of importance. It aims to address the demands of consumers for minimally processed food without additives or preservatives and meet the pressure of sustainable packaging products. Compared to other books, this book exclusively focuses on the contemporary developments and prospective advancements in the use of natural food additives in sustainable packaging (active and intelligent agent) systems. The chapters represent a systematic, sequential account of current research and developments in this emerging area, covering all the major topics of the advancements and applications of natural food additives in foods and their sustainable packaging. The book will assist the academic community (teachers, researchers, and students), industry personnel, and other related stakeholders engaged in this field.