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Elaidiinihappo

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Elaidiinihappo
Tunnisteet
IUPAC-nimi (E)-octadek-9-eenihappo
CAS-numero 112-79-8
PubChem CID 637517
SMILES CCCCCCCCC=CCCCCCCCC(=O)O
Ominaisuudet
Molekyylikaava C18H34O2
Moolimassa 282,461 g/mol
Sulamispiste 45 °C[1]

Elaidiinihappo on kovetetussa kasviöljyssä pääasiallisesti esiintyvä transrasvahappo, joka tavataan vähäisinä määrinä myös nautojen ja vuohien maidossa (karkeasti 0,1 % rasvahapoista).[2] Se on oleiinihapon transisomeeri.

Elaidiinihappoa esiintyy semiokemikaalina eliöiden viestinnässä.

Elaidiinihappo lisää CETP-aktiviteettia, mikä puolestaan nostaa VLDL-kolesterolia ja laskee HDL-kolesterolia.[3]

Elaidiinihapon molekyylikaava on C18H34O2, moolimassa 282,461 g/mol ja CAS-numero 112-79-8.

  1. Elaidic acid NLM Viitattu 13.06.2012
  2. Alonso L, Fontecha J, Lozada L, Fraga MJ, Juárez M (1999). "Fatty acid composition of caprine milk: major, branched-chain, and trans fatty acids". J. Dairy Sci. 82 (5): 878–84. doi:10.3168/jds.S0022-0302(99)75306-3. PMID 10342226. 
  3. Abbey M, Nestel PJ (1994). "Plasma cholesteryl ester transfer protein activity is increased when trans-elaidic acid is substituted for cis-oleic acid in the diet". Atherosclerosis 106 (1): 99–107. doi:10.1016/0021-9150(94)90086-8. PMID 8018112. 

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