Date published: 2026-4-21

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trans-Vaccenic acid (CAS 693-72-1)

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Alternate Names:
11-trans-Octadecenoic acid; trans-11-Octadecenoic acid
Application:
trans-Vaccenic acid is a naturally occurring trans fat
CAS Number:
693-72-1
Purity:
99 %
Molecular Weight:
282.46
Molecular Formula:
C18H34O2
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Trans-Vaccenic Acid (TVA) is a polyunsaturated fatty acid. It is an isomer of linoleic acid. Trans-Vaccenic acid is a precursor for conjugated linoleic acid and saturated fatty acids. Studies have demonstrated that Trans-Vaccenic Acid can activate the PPAR-alpha receptor, which plays a role in lipid metabolism regulation, and inhibit the NF-kB pathway, associated with inflammation.


trans-Vaccenic acid (CAS 693-72-1) References

  1. Trans-vaccenic acid is desaturated to conjugated linoleic acid in mice.  |  Santora, JE., et al. 2000. J Nutr. 130: 208-15. PMID: 10720171
  2. Eicosapentaenoic acid and 3,10 dithia stearic acid inhibit the desaturation of trans-vaccenic acid into cis-9, trans-11-conjugated linoleic acid through different pathways in Caco-2 and T84 cells.  |  Renaville, B., et al. 2006. Br J Nutr. 95: 688-95. PMID: 16571147
  3. Cis-9, trans-11-conjugated linoleic acid but not its precursor trans-vaccenic acid attenuate inflammatory markers in the human colonic epithelial cell line Caco-2.  |  Reynolds, CM., et al. 2008. Br J Nutr. 100: 13-7. PMID: 18275620
  4. Trans-11 vaccenic acid dietary supplementation induces hypolipidemic effects in JCR:LA-cp rats.  |  Wang, Y., et al. 2008. J Nutr. 138: 2117-22. PMID: 18936207
  5. Selective production of cis-9,trans-11 isomer of conjugated linoleic acid from trans-vaccenic acid methyl ester by Delacroixia coronata.  |  Ando, A., et al. 2009. J Appl Microbiol. 106: 1697-704. PMID: 19226396
  6. Trans-11 vaccenic acid reduces hepatic lipogenesis and chylomicron secretion in JCR:LA-cp rats.  |  Wang, Y., et al. 2009. J Nutr. 139: 2049-54. PMID: 19759243
  7. Dissimilar properties of vaccenic versus elaidic acid in beta-oxidation activities and gene regulation in rat liver cells.  |  Du, ZY., et al. 2010. Lipids. 45: 581-91. PMID: 20508999
  8. Vaccenic and elaidic acid equally esterify into triacylglycerols, but differently into phospholipids of fed rat liver cells.  |  Du, ZY., et al. 2011. Lipids. 46: 647-57. PMID: 21614647
  9. trans-11 18:1 vaccenic acid (TVA) has a direct anti-carcinogenic effect on MCF-7 human mammary adenocarcinoma cells.  |  Lim, JN., et al. 2014. Nutrients. 6: 627-36. PMID: 24518825
  10. Diets enriched in trans-11 vaccenic acid alleviate ectopic lipid accumulation in a rat model of NAFLD and metabolic syndrome.  |  Jacome-Sosa, MM., et al. 2014. J Nutr Biochem. 25: 692-701. PMID: 24775093
  11. Effects of dietary trans-9 octadecenoic acid, trans-11 vaccenic acid and cis-9, trans-11 conjugated linoleic acid in mice.  |  Wang, T., et al. 2015. Mol Med Rep. 12: 3200-6. PMID: 25962361
  12. Hepatocytes respond differently to major dietary trans fatty acid isomers, elaidic acid and trans-vaccenic acid.  |  Krogager, TP., et al. 2015. Proteome Sci. 13: 31. PMID: 26628894
  13. Trans-11 vaccenic acid improves insulin secretion in models of type 2 diabetes in vivo and in vitro.  |  Wang, X., et al. 2016. Mol Nutr Food Res. 60: 846-57. PMID: 27061233
  14. Trans-vaccenic acid inhibits proliferation and induces apoptosis of human nasopharyngeal carcinoma cells via a mitochondrial-mediated apoptosis pathway.  |  Song, J., et al. 2019. Lipids Health Dis. 18: 46. PMID: 30738430
  15. Fatty Acid Desaturase 3 (FADS3) Is a Specific ∆13-Desaturase of Ruminant trans-Vaccenic Acid.  |  Rioux, V. and Legrand, P. 2019. Lifestyle Genom. 12: 18-24. PMID: 32911476

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

trans-Vaccenic acid, 100 mg

sc-216002
100 mg
$151.00

trans-Vaccenic acid, 1 g

sc-216002A
1 g
$646.00