Research Article

Phytochemical Composition, Antioxidant Activity, and Neuroprotective Effect of Terminalia chebula Retzius Extracts

Table 3

Protective effects of the three extracts of Terminalia chebula and positive control on H2O2-induced PC12 cell death.

SampleConcentration (μg/mL)Cell viability (%)

Control0

H2O240 μM #

Methanol extract0.5 *
2.5 *
5.0 *

Water extract0.5 *
2.5 *
5.0 *

95% ethanol extract0.5
2.5
5.0

Gallic acid0.5 *
2.5 *
5.0 *

AC-DEVD-CHO0.5 *
2.5 *
5.0

The data are presented as mean ± SD for three replicates. # versus the control group without the addition of the sample and H2O2 solutions, * versus the 40 μM H2O2-treated group without the addition of the sample solution.