Evidence-Based Complementary and Alternative Medicine / 2013 / Article / Tab 2

Research Article

Antioxidant Capacity, Cytotoxicity, and Acute Oral Toxicity of Gynura bicolor

Table 2

The IC50 values of G. bicolor extracts in DPPH radical scavenging activity and metal chelating assay.

ExtractIC50 value (mg/mL)
DPPH radical scavenging activityMetal chelating assay

Methanol4.93 ± 0.15c4.10 ± 0.10b
Hexane11.15 ± 0.21d4.90 ± 0c
Ethyl acetate 0.53 ± 0.01b3.80 ± 0.10b
Water 13.57 ± 0.23e28.37 ± 0.40d
BHA*0.03 ± 0a
EDTA*0.04 ± 0a

Positive reference standard. Values are expressed as mean ± standard deviation ( ); means with different letters (a–e) in the same column were significantly different (P < 0.05, ANOVA).

We are committed to sharing findings related to COVID-19 as quickly as possible. We will be providing unlimited waivers of publication charges for accepted research articles as well as case reports and case series related to COVID-19. Review articles are excluded from this waiver policy. Sign up here as a reviewer to help fast-track new submissions.