Research Article
[Retracted] Protective Effects and Molecular Mechanism of Total Flavonoids from Lycium Barbarum Leaves on Photoaged Human Dermal Fibroblasts
Figure 2
Selection of total flavonoid (TFL) concentration of Lycium barbarum leaves. The effect of different concentrations (0 μg/mL, 25 μg/mL, 50 μg/mL, 100 μg/mL, 200 μg/mL, 400 μg/mL, and 800 μg/mL) of total flavonoids on the cell proliferation activity of HDFs assessed by CCK-8. , , ns.