Figure 5.

Hydroxyl radical scavenging activity of ascorbic acid in in-vitro systems. Graphical representation of the concentration of ascorbic acid required to inhibit 50 percent of hydroxyl radicals. Each point represents the mean percentage inhibition of six experiments.

Sreemantula et al. BMC Complementary and Alternative Medicine 2005 5:1   doi:10.1186/1472-6882-5-1
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