(-)-Epigallocatechin-3-(3''-O-methyl) gallate is a natural product isolated from tea leaves with strong antioxidant, cytotoxic and antibacterial activity, which enhances the adhesive stability of etching rinsing adhesives to dentin.

3,5-Di-O-caffeoylquinic acid methyl ester exhibits potent inhibitory activities against the formation of advanced glycation end products (AGEs); it exhibits cytotoxicity actions against human cervix carcinoma HeLa cells. 3,5-Di-O-caffeoylquinic acid methyl ester shows high efficiency and low toxicity with antivirus activity against RSV.

Vitexin-2''-O-rhamnoside is a compound contributes to the protection against HO -mediated oxidative stress damage.