Jae Cheol Kim

Oct 26, 2023 | mdpi.com | Ying Wang |Zhuang Tian |Zhenyu Li |Jae Cheol Kim

1. IntroductionFlavonoids are an important class of natural products extracted from plants, which belong to plant secondary metabolites with polyphenol structure [1]. They have been found in large quantities in vegetables, cocoa, wine, and other plant-based foods as well as beverages; therefore, they are also known as dietary flavonoids [2,3].