Apoptosis Induction by Polygonum minus Is Related to Antioxidant Capacity, Alterations in Expression of Apoptotic-Related Genes, and S-Phase Cell Cycle Arrest in HepG2 Cell Line

Table 1

Antioxidant activities of four crude extracts of P. minus.

Crude extract	TPC; (mg GAE/g extract)	DPPH scavenging activity (EC50) (μg/mL)	FRAP value (μmol Fe (II)/mg dry weight extract)
Pet. Ether	78.2 ± 3.2^a	745.2 ± 20.2^a	345.67 ± 4.9^a
MeOH	128.2 ± 7.8^b	540 ± 10.8^b	781.32 ± 4.2^b
EtOAc	227 ± 4.5^c	120.3 ± 2.7^c	2435.21 ± 28.9^c
Water	132.3 ± 10.3^b	472.5 ± 15.2^b	842.61 ± 21.3^b

Values are mean ± S.D (𝑛=3). Values with different alphabets in the same column are significantly different (𝑃<0.05, ANOVA and Bonferroni test). GAE: gallic acid equivalents.