Book excerpt: Principles of Food Science incorporates science concepts into a lab-oriented foods class. This text shows how the laws of science are at work in foods prepared at home and by the food industry. Each chapter includes engaging features focusing on such areas as current research, technology, and nutrition news. Through lab experiments in the text and Lab Manual, students will practice scientifi c and sensory evaluation of foods. They will discover how nutrients and other food components illustrate basic chemistry concepts. They will examine the positive and negative impacts microorganisms have on the food supply. Students will also explore the variety of careers available to workers with a food science background.