From:  Antioxidant activity and metabolite profiling of the soft coral Sinularia sp. from Sabah, Malaysia, using FTIR, GC-MS, and LC-orbitrap-MS/MS

 Half-maximal inhibitory concentration (IC50) values of Sinularia sp. methanol extract based on DPPH and ABTS assays.

Antioxidant assayIC50 (mg/mL) (mean ± SD)
DPPH (Ascorbic acid)0.15 ± 0.01
DPPH (Sinularia sp.)6.23 ± 0.17
ABTS (Ascorbic acid)0.08 ± 0.01
ABTS (Sinularia sp.)3.28 ± 0.07

ABTS: 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid); DPPH: 2,2-diphenyl-1-picrylhydrazyl; SD: standard deviation.