ISO/WD
© ISO 2013 – All rights reserved
15
A.2 Individual fatty acids
A.2.1 Linoleic acid (LA)
Linoleic acid
is an essential fatty acid; a 18 carbon fatty acid containing two double bonds at carbons 9, and 12.
A.2.2 Linolenic acid (ALA) also called α-linolenic acid
Linolenic acid
is an essential fatty acid; a 18 carbon fatty acid containing three double bonds at carbons 9, 12,
and 15.
A.2.3 Arachidonic acid (ARA)
Arachidonic acid is not an essential fatty acid; a 20 carbon fatty acid containing four double bonds at carbons 5, 8,
11 and 14.
A.2.4 Ecosapentaenoic acid (EPA)
Ecosapentaenoic acid is an semi essential fatty acid (essential for pregnant woman and infant); a 20 carbon fatty
acid containing five double bonds at carbons 5, 8, 11, 14 and 17.
A.2.5 Docosahexaenoic acid (DHA)
Docosahexaenoic acid is an semi essential fatty acid (essential for pregnant woman and infant); a 22 carbon fatty
acid containing six double bonds at carbons 4, 7,10, 13, 16 and 19.
