This book provides a comprehensive overview of current scientific research on citrus juice and by-product technologies. It covers various aspects of citrus and its processing, encompassing biochemistry, advanced juice processing technology, and health considerations. The book also delves into testing methodologies for various chemicals, phytochemicals, and bitter compounds. Furthermore, it presents innovative and efficient methods for the detection, quantification, and removal of bitter chemicals to enhance the commercial appeal of bitter cultivars. A special emphasis is placed on non-thermal processing, exploring the multifaceted aspects of citrus juice processing, including by-products. In addition, the book addresses the safety aspects of processed juice and related products, a topic often overlooked in other works. It particularly highlights the packaging requirements for juice and related goods. This book is tailored for researchers, students, and professionals in the food processing industry.