docosahexaenoic acid (DHA)

Fatty Acid Index Print docosahexaenoic acid (DHA)
Scientific Name CAS Registry No.
4,7,10,13,16,19-docosahexaenoic acid 6217-54-5
Molecular Name Common Name
(all-Z)-4,7,10,13,16,19-Docosahexaenoic acid; all-cis-4,7,10,13,16,19-docosahexaenoic acid; cervonic acid docosahexaenoic acid (DHA)
Other Names
2-D Structure
22_6n3
Biosynthetic Pathway
Path22_6n3
Synthesized via a three step process, wherein 22:5n3 is elongated to 24:5n3, desaturated by the delta-6 desaturase to 24:6n3, and translocated to the peroxisome where it is chain-shortened by two carbons to 22:6n3. 22:6n3 produced in the peroxisome is sel
Distribution in...
Tissues Lipid Classes
Enriched in heart and neural tissue Common in all phospholipids and in rodent cholesterol esters. DHA is particularly enriched in cardiolipin and phosphatidylethanolamine.
Bioactive Products Dietary Sources
mainly in fish and marine microorganisms and plants; DHA is also an essential component of the brain, eyes, and other nervous system tissues; marine oils
Links/References