AUTHOR=Zhang Ying , Liu Huilin TITLE=Editorial: Chemical and biological changes of polyphenols caused by food thermal processing JOURNAL=Frontiers in Nutrition VOLUME=9 YEAR=2022 URL=https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2022.948894 DOI=10.3389/fnut.2022.948894 ISSN=2296-861X