Figure 2
From: Metabolomics reveals diet-derived plant polyphenols accumulate in physiological bone
Identification of plant-derived polyphenols in animal bone. (a) Relative abundance (chromatographic peak area) for urolithin A and urolithin B in extracts from each of the Sardinian bones (mean and St. dev. n = 5). (b) Table showing the matching criteria for the identification of diet-derived compounds in bone extracts. (c) Structures of the five plant-derived compounds identified in pig bones from the animal feeding study. (d) External calibration curve showing linearity for the urolithin A peak area response to concentration over the range 10 ng/mL to 0.08 ng/mL. The peak areas generated for urolithin A in each of the Sardinian bone extracts are also plotted and labelled (red triangles) on the line of best fit.
