Anthocyanins may play an important role in atherosclerosis prevention. However, the structure-function relationships are not well understood. The objective of this study was to compare the inhibitory effect of 21 anthocyanins against oxidized low-density lipoprotein-induced endothelial injury to understand the relationship between anthocyanin chemical structure and the endothelial protective properties, measured as cell viability, MDA production and NO release. Additionally, the intracellular anti-radical activity of the selected anthocyanins was investigated to identify the correlation with endothelial protection. Our results provide evidence that the number of -OH in total or in B-ring, 3′,4′-ortho-dihydroxyl and 3-hydroxyl are the main structural requirements of anthocyanins in suppressing oxidative stress-induced endothelial injury and such inhibitory effect was significantly correlated with the intracellular radical scavenging activity. © 2009 Federation of European Biochemical Societies.
Yi, L., Chen, C. ye, Jin, X., Mi, M. tian, Yu, B., Chang, H., … Zhang, T. (2010). Structural requirements of anthocyanins in relation to inhibition of endothelial injury induced by oxidized low-density lipoprotein and correlation with radical scavenging activity. FEBS Letters, 584(3), 583–590. https://doi.org/10.1016/j.febslet.2009.12.006