d18:1/19:0

C19 Ceramide is a naturally occurring ceramide that has been found in J. juncea extracts as well as rat brain and mouse heart.[1],[2],[3] It is elevated in adult and decreased in juvenile whole rat brain extracts by 114 and 37%, respectively, following chronic ethanol exposure.[2] C19 Ceramide is also increased in mouse hearts following administration of angiotensin II.[3]