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. 2011 Aug 26;12(9):5471–5489. doi: 10.3390/ijms12095471

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© 2011 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open-access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Correlation between the number of −OH groups of 4-oxo-flavonoids and the inhibitory effects on oxLDL-induced endothelial dysfunction. In the scatter plot, the X axis (horizontal axis) represents the number of −OH groups of flavonoids in total (A) or in B-ring; and (B), and the Y axis (vertical axis) represents the measurements of cell viability, MDA level NO level and sICAM-1 level, respectively. The overlay scatter plots represent 23 flavonoids in different experiments, respectively. Data were analyzed by Pearson’s correlation coefficient (r) and Fisher’s r to z (p) about 23 flavonoids. * P < 0.01.