Tea polyphenol also called green tea extract are a mixture of chemical compounds such as flavanoids and tannins found naturally in tea. Polyphenols are powerful antioxidants which can reduce the risk of developing coronary artery disease and a number of other health problems.

Tangshenoside I might be a potential bioactive marker related to the hematopoietic and immunologic functions of Codonopsis Radix, which could be recommended as the index compound. It has α-glucosidase inhibition activity.

Gipsoside is a natural product.