This comprehensive and well-written textbook presents the fundamental concepts of enzyme technology, emphasizing the practical and economic aspects of enzyme usage. It furnishes a great deal of information on potential of enzymes for their commercial exploitation. The text then goes on to describe the biotechnical significance of enzymes with their applications in the fields of food and pharmaceutical industries. The text is supported by a large number of solved examples and illustrative diagrams. Primarily designed for undergraduate and postgraduate students of biotechnology and biochemical engineering, the book will also be useful to professionals, researchers and entrepreneurs.