Docosapentaenoic acid

Encyclopedia : D : DO : DOC : Docosapentaenoic acid

Docosapentaenoic acid designates any straight chain 22:5 fatty acid.

See essential fatty acid#Nomenclature for nomenclature.

Two isomers are of particular interest

all-cis-4,7,10,13,16-docosapentaenoic acid is an ω-6 fatty acid with the trivial name adrenic acid. It is formed by an elongation and desaturation of arachidonic acid 20:4 ω-6.
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 a rich source.

References

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