Valorizing Citrus Waste: Unlocking Nutrients, Bioactives and Processing Solutions

Valorizing Citrus Waste: Unlocking Nutrients, Bioactives and Processing Solutions by Subhra Saikat Roy, Manju Gurjar, Sharanya Paliwal, Darshana Admane, and Dilip Ghosh is a comprehensive exploration into the untapped potential of citrus fruit waste. With citrus being one of the most widely produced fruits globally, a significant portion—up to 50%—often ends up discarded during processing. This book reimagines that waste as a resource rich in nutrients, fiber, bioactive compounds, and industrially valuable materials. It delves into modern, eco-friendly extraction techniques such as microwave-, ultrasound-, and enzyme-assisted processes that enable the recovery of essential oils, flavonoids, pectin, and other high-value compounds.

The authors present a practical and scientific roadmap for transforming citrus waste into functional ingredients for use in food, pharmaceuticals, cosmetics, and even biofuels, advocating a holistic biorefinery approach. The book also emphasizes the socio-economic and environmental benefits of such valorization—reducing pollution, creating new revenue streams, and supporting a circular bioeconomy. Aimed at researchers, industry professionals, and sustainability advocates, this volume bridges the gap between waste management and resource innovation, positioning citrus by-products as a key component in the future of sustainable processing.