Octadecanoic acid, 2,3-bis[(1-oxohexadecyl)oxy]propyl ester

1,2-Dipalmitoyl-3-stearoyl-rac-glycerol is a triacylglycerol that contains palmitic acid at the sn-1 and sn-2 positions and stearic acid at the sn-3 position. It has been found in ostrich and emu oils as well as cow milk fat.^1,2

1. Zhou, Y., Xue, Y., Chen, G.C., et al. Rapid separation and characterisation of triacylglycerols in ostrich oil by ultra performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry Food Chem. 141(3),2098-2102(2013).
2. Zhou, Q., Gao, B., Zhang, X., et al. Chemical profiling of triacylglycerols and diacylglycerols in cow milk fat by ultra-performance convergence chromatography combined with a quadrupole time-of-flight mass spectrometry Food Chem. 143,199-204(2014).