This book provides a summary of research to help in the attainment of higher yields of beneficial compounds naturally present in edible fats and oils that can be obtained through new refining techniques or modifications of conventional methods, potentially leading to use of these products for disease prevention and treatment. It also provides a summary of research on modifications of natural lipids. The major emphasis is on vegetable sources of oils. Oil and oilseed processing is very complex, involving a number of unit operations. Readers will find this book helpful in learning about the fundamental concepts and practical information on oil and oilseed processing and their relevance to human nutrition and health.