Pueraria lobata Extract Protects Hydrogen Peroxide-Induced Human Retinal Pigment Epithelial Cells Death and Membrane Permeability

Table 1

Calibration data of puerarin, daidzein, and daidzin.

Compound	Linear range (μg/mL)	Regression equation^a	Correlation coefficient (R^2)
Puerarin	500–125	y = 24.354x − 155.57	0.9999
Daidzein	10–2.5	y = 31.088x − 2.6734	0.9999
Daidzin	100–25	y = 17.445x − 14.484	0.9999

^ay: peak area (mAU) of the component; x: concentration (μg/mL) of the component.