This is a comprehensive book concerning biotechnology application in food and feed additives and its applications in human and animal nutrition. This book will help to completely understand the diverse variety of food preservatives, additives, various kinds of thickeners, stabilizers and emulsifiers that are used to preserve foods in better conditions, to add aroma and flavor to foods and to enhance the consistency and texture of food, respectively, as well as utilization of enzyme and microorganisms that benefit the food. Nowadays the biotechnology application in food industry makes it possible to enhance the quality of processing food and food diets. In conclusion, this book covers the recent development and advancement in food sectors.