Research progress on chemical components and extraction methods of flavonoids from Arctium lappa root
Arctium lappa root is a traditional Chinese medicinal herb that has been widely used in the fields of food therapy and medicine.Arctium lappa root is rich in amino acids,sugars,volatile oils,polyphenols and flavonoids,among which flavonoids have attracted much attention as one of the important components of burdock root.In this review,we will focus on the chemical composition of Arctium lappa root and review the extraction methods of its flavonoids,so as to provide theoretical support for the further development and utilization of Arctium lappa root resources.