Fig. 4From: Two phenolic antioxidants in Suoyang enhance viability of •OH-damaged mesenchymal stem cells: comparison and mechanistic chemistryUV spectra of LAS, epicatechin, and luteolin-7-O-β-D-glucoside and their binding products with excess Fe2+ (the inset figure is the appearances of solutions; LAS lyophilized aqueous extract of Suoyang)Back to article page