Research progress on extraction methods and biological activities of polyphenols from daylily
Hemerocallis citrina Baroni is a precious plant resource with antioxidant,anti-inflammatory,anti-depression and other functions.Its main bioactive components are polyphenol compounds,which play a cer-tain role in regulating stress and depression caused by modern fast-paced life,and have a good application prospect.It is also a hot spot in the field of food research.In this paper,the components,extraction methods and biological activities of polyphenols in daylily were reviewed in order to provide some technical reference for further development and utilization of polyphenols in daylily.