The Chemistry of Food and Nutrition by A. W. Duncan is a comprehensive exploration of the scientific principles underlying the foods we eat and the nutrients essential for human health. First published in the early 20th century, this classic work delves into the chemical composition of various foods, including proteins, carbohydrates, fats, minerals, and vitamins, and explains their roles in the human body. The book provides detailed explanations of digestion, metabolism, and the physiological effects of different nutrients, making complex scientific concepts accessible to a general audience. Duncan discusses the sources and functions of essential nutrients, the importance of a balanced diet, and the impact of food preparation and cooking on nutritional value. The text also examines the chemistry of beverages, condiments, and food additives, as well as the effects of deficiency and excess of certain nutrients. With practical advice on food selection and meal planning, The Chemistry of Food and Nutrition serves as both an educational resource and a guide to healthy living. Richly illustrated with diagrams and tables, the book is designed to appeal to students, educators, and anyone interested in the science of nutrition. It reflects the knowledge and scientific understanding of its time, offering historical insights into the development of nutritional science. Whether used as a reference or a textbook, The Chemistry of Food and Nutrition remains a valuable resource for those seeking to understand the vital connection between chemistry and health.