Polyphenols are important quality contributors and functional substances in wine,and have always been the focus of wine research.Polyphenols can not only affect the quality indicators of wine,such as flavor,color and taste,but also have antioxidant and other functions.However,not all polyphenols have positive effects on wine quality.Some polyphenols have negative effects on wine quality or function.In this paper,the sources and chemical composition of phenols in wine were reviewed,which...
