AUTHOR=Cespi Daniele , Luque Rafael , Len Christophe , Cucciniello Raffaele TITLE=Editorial: Biorefinery chemicals: trend, sources and metrics JOURNAL=Frontiers in Chemistry VOLUME=11 YEAR=2023 URL=https://www.frontiersin.org/journals/chemistry/articles/10.3389/fchem.2023.1268526 DOI=10.3389/fchem.2023.1268526 ISSN=2296-2646