Sitosteryl palmitate (Sitosterol palmitate) is a natural product that can be isolated from Piper betle, Vachellia pennatula and other organisms[1].
References
[1] Cheng MJ, et al. Secondary metabolites from the red mould rice of Monascus purpureus BCRC 38113. Nat Prod Res. 2010 Nov;24(18):1719-25. DOI:10.1080/14786410902941477
