1-Palmitoyl-2-oleoyl-3-stearoyl-rac-glycerol is a triacylglycerol that contains palmitic acid at the sn-1 position, oleic acid at the sn-2 position, and stearic acid at the sn-3 position. It is one of the primary triacylglycerols found in cocoa butter. [1] [2]
Reference:
[1]. Ghazani, S.M., and Marangoni, A.G. The triclinic polymorphism of cocoa butter is dictated by its major molecular species, 1‑palmitoyl, 2‑oleoyl, 3‑stearoyl glycerol (POS). Cryst. Growth Des. 19(1), 90-97 (2019).
[2]. Bootello, M.A., Hartel, R.W., Garcés, R., et al. Evaluation of high oleic-high stearic sunflower hard stearins for cocoa butter equivalent formulation. Food Chem. 134(3), 1409-1417 (2012).