1,2,3-Tripentadecanoyl-rac-glycerol is a triacylglycerol that contains pentadecanoic acid at the sn-1, sn-2, and sn-3 positions. It has been found in various grapes.1 1,2,3-Tripentadecanoyl-rac-glycerol has been used as a standard for the detection of triacylglycerols in human plasma by LC-MS.2
References
1. Della Corte, A., Chitarrini, G., Di Gangi, I.M., et al. A rapid LC-MS/MS method for quantitative profiling of fatty acids, sterols, glycerolipids, glycerophospholipids and sphingolipids in grapes. Talanta 140, 52-61 (2015).
2. Castro-Perez, J.M., Kamphorst, J., DeGroot, J., et al. Comprehensive LC-MSE lipidomic analysis using a shotgun approach and its application to biomarker detection and identification in osteoarthritis patients. J. Proteome. Res. 9(5), 2377-2389 (2010).