Stearidonic acid

Stearidonic acid

Names
IUPAC name (6Z,9Z,12Z,15Z)-6,9,12,15-octadecatetraenoic acid
Identifiers
CAS Number	20290-75-9
ChEBI	CHEBI:32389
ChEMBL	ChEMBL484430
ChemSpider	4471933
Jmol 3D image	Interactive graph
PubChem	5312508
InChI InChI=1S/C18H28O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h3-4,6-7,9-10,12-13H,2,5,8,11,14-17H2,1H3,(H,19,20)/b4-3-,7-6-,10-9-,13-12- Key: JIWBIWFOSCKQMA-LTKCOYKYSA-N InChI=1/C18H28O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h3-4,6-7,9-10,12-13H,2,5,8,11,14-17H2,1H3,(H,19,20)/b4-3-,7-6-,10-9-,13-12- Key: JIWBIWFOSCKQMA-LTKCOYKYBT
SMILES O=C(O)CCCC\C=C/C\C=C/C\C=C/C\C=C/CC
Properties
Chemical formula	C18H28O2
Molar mass	276.40 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Stearidonic acid (SDA) is an ω-3 fatty acid, sometimes called moroctic acid. It is biosynthesized from alpha-linolenic acid by the enzyme delta-6-desaturase. Natural sources of this fatty acid are the seed oils of hemp, blackcurrant, corn gromwell^[1] and echium (although the plant is a source of stearidonic acid, it is toxic for human consumption), and the cyanobacterium Spirulina.

See also

• List of omega-3 fatty acids
• Omega-3 fatty acids
• Essential fatty acids

References

1. http://www.niab.com/pages/id/319/Corn_Gromwell