Vakcenska kiselina je omega-7 masna kiselina. Ona je prirodna trans-masna kiselina prisutna u masti ruminirajućih životinja i mlečnim proizvodima (mleku, puteru, i jogurtu).[4] On je takođe predominantna masna kiselina u ljudskom mleku.[5][6]
Njeno IUPAC ime je (E)-11-oktadecenoinska kiselina, a njeno lipidno skraćeno ime je 18:1 trans-11. Ime je izvedeno iz lat. vacca - krava.[7]
↑Evan E. Bolton, Yanli Wang, Paul A. Thiessen, Stephen H. Bryant (2008). „Chapter 12 PubChem: Integrated Platform of Small Molecules and Biological Activities”. Annual Reports in Computational Chemistry4: 217-241. DOI:10.1016/S1574-1400(08)00012-1.
↑Precht, D and J.Molkentin C18:1, C18:2, and C8:3 trans and cis fatty acid isomers including conjugated cis delta 9, trans delta 11 linoleic acid (CLA) as well as total fat composition of German human milk lipids, Nahrung 1999 43(4) 233-244
↑Friesen, R, and S.M. Innis, Trans Fatty acids in Human milk in Canada declined with the introduction of trans fat food labeling, J. Nut 2006, 136 2558-2561
↑ 7,07,1F. Destaillats, E. Buyukpamukcu, P.-A. Golay, F. Dionisi and F. Giuffrida (2005). „Letter to the Editor: Vaccenic and Rumenic Acids, A Distinct Feature of Ruminant Fats”. J. Dairy Sci88 (449).
↑Banni S, Angioni E, Murru E, Carta G, Melis M, Bauman D, Dong Y, Ip C (2001). „Vaccenic acid feeding increases tissue levels of conjugated linoleic acid and suppresses development of premalignant lesions in rat mammary gland”. Nutr Cancer41 (1-2): 91–7. DOI:10.1207/S15327914NC41-1&2_12. PMID12094634.