Antioxidant Properties of Unripe Carica papaya Fruit Extract and Its Protective Effects against Endothelial Oxidative Stress

Table 1

The regression equation of antioxidant potential of UCP.

Antioxidant capacity	(μmol/g)	Linear Regression Equation
FRAP value	26.89 ± 1.14	y = 0.0234x + 5.140
ORAC (trolox equivalent)	56.03 ± 7.52	y = 0.0470x + 6.131
ROS Scavenging activity	IC50 (μg/mL)
Hydroxyl radical (OH^•)	280.17 ± 3.57	y = 0.114x + 18.060
Hypochlorous acid (HOCl)	1316.13 ± 21.78	y = 0.036x + 2.951
Superoxide anion ()	846.53 ± 40.16	y = 0.317x - 12.470
Hydrogen peroxide (H2O2)	196.39 ± 7.36	y = 0.057x + 2.536