1,2,3-Trinonanoyl-rac-glycerol is a triacylglycerol that contains nonanoic acid at the sn-1, sn-2, and sn-3 positions. It has been found in Schizochytrium biomass.1 1,2,3-Trinonanoyl-rac-glycerol increases blood levels of the ketone body D-(-)-3-hydroxybutyrate in newborn rhesus monkeys.2

|1. Mioso, R., Toledo Marante, F.J., GonzÁlez, J.E., et al. Metabolite profiling of Schizochytrium sp. by GC-MS, an oleaginous microbial source of biodiesel. Braz. J. Microbiol. 45(2), 403-409 (2014).|2. Tetrick, M.A., Greer, F.R., and Benevenga, N.J. Blood D-(•)-3-hydroxybutyrate concentrations after oral administration of trioctanoin, trinonanoin, or tridecanoin to newborn rhesus monkeys (Macaca mulatta). Comp. Med. 60(6), 486-490 (2010).