Food Packaging

This chapter aims at providing background knowledge for those who are interested in or may become involved in the development of food packaging and/or processing. It discusses the role of packaging in maintaining food quality and reducing product waste. The chapter explains the properties and forms of food packaging materials and systems to facilitate understanding and appreciation of the major packaging materials, including plastic, paper, metal, and glass, which can affect the quality of food and its shelf life. The packaging systems are divided into primary packaging, secondary packaging, distribution or tertiary packaging, and unit load. The chapter explains aseptic packaging, modified atmosphere packaging and active packaging technologies, which have assumed increasing importance in the food industry in recent years. Finally, it focuses on sustainable food packaging issues, including recycling, biodegradable materials, and package design.