Valorization of wine making by products Chapter 1. Overview Matteo Bordiga chapter 2. Wine making process Hend Letaief chapter 3. Wine making by products Zhijing Ye Roland Harrison Vern Jou Cheng and Alaa El Din A. Bekhit chapter 4. Technological aspects of by product utilization Alaa El Din A. Bekhit Vern Jou Cheng Roland Harrison Zhijing Ye Adnan A. Bekhit Tzi Bun Ng and Lingming Kong chapter 5. Regulatory and legislative issues Matteo Bordiga chapter 6. Sustainability issues Matteo Bordiga chapter 7. Marketing potential Jorge A. Cardona and Thelma F. Calix chapter 8. Future perspectives Matteo Bordiga