
One of the isomers - all-cis-7,10,13,16,19-docosapentaenoic acid is an Ω-3 fatty acid with the trivial name Clupanodonic acid, commonly
called DPA. It is an intermediary between eicosapentaenoic acid (EPA, 20:5 Ω-3) and docosahexaenoic acid (DHA, 22:6 Ω-3).
Seal oil is particulary rich in this acid.
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