Tags: Chemical Compound, Chemical Substance.
(E)-Octadec-11-enoic acid. It is a naturally occurring trans-fatty acid found in the fat of ruminants and in dairy products such as milk butter and yogurt. It is also the predominant fatty acid comprising trans fat in human milk.Its IUPAC name is (E)-11-octadecenoic acid and its lipid shorthand name is 18:1 trans-11. The name was derived from the Latin vacca (cow).Vaccenic acid was discovered in 1928 in animal fats and butter. It is the main trans fatty acid isomer present in milk fat.