Table 2 Antioxidant Activity of the 50% EtOH Extract of Coffee Silverskin and Its EtOAc Fraction and Reference
From: Cosmeceutical activities of ethanol extract and its ethyl acetate fraction from coffee silverskin
Free radical-scavenging activity (FSC50, μg/mL) | ROS-scavenging activity (OSC50, μg/mL) | |
|---|---|---|
50% EtOH extract | 105.43 ± 3.58 | 31.89 ± 31.94 |
EtOAc fraction | 65.27 ± 3.32 | 15.25 ± 0.55 |
Caffeine | > 500 | > 500 |
(+)-α-Tocopherol | 8.98 ± 2.93 | nd |
L-Ascorbic acid | nd | 1.50 ± 0.85 |