Eicosatetraenoic acid/Arachidonic acid (AA) ΓΈ Calorie Counter
Activity Level:


Eicosatetraenoic acid/Arachidonic acid (AA)

Arachidonic acid (AA) is an Ω-6 polyunsaturated fatty acid with 20 carbons and four double bonds, the first double bond is located at the sixth carbon from the omega end. It is the counterpart to the saturated Arachidic acid. Arachidonic acid is found in salmon, sardine oil, seal oil.

Some chemistry sources define Arachidonic acid to designate any of the eicosatetraenoic acids. However, almost all writings in biology, medicine and nutrition limit the term to all-cis-5,8,11,14-eicosatetraenoic acid.

Arachidonic acid is a polyunsaturated fatty acid that is present in the phospholipids (especially phosphatidylethanolamine, phosphatidylcholine and phosphatidylinositides) of membranes of the body's cells, and is abundant in the brain.

It is also involved in cellular signaling as a second messenger.

It is the source of several other molecules with specific roles.

Arachidonic acid is one of the essential fatty acids required by most mammals. Some mammals lack the ability to-or have a very limited capacity to-convert Linoleic acid into arachidonic acid, making it an essential part of their diet. Since little or no Arachidonic acid is found in plants, such animals are obligate carnivores; the cat is a common example.


Did you know?..

Calorie Counter
Food Ratings for
Popular Diets
Related Resources | Calorie Counter | User Agreement | Privacy Policy | Contact Us

Information and interactions contained in this website are for information purposes only and are not intended to be used to diagnose, treat, cure or prevent any disease.
We do not accept any liability for any injury, loss or damage incurred by use of or reliance on the information made available via or through www.NewCalorieCounter.com
Use of this site constitutes acceptance of our Terms & Conditions and Privacy Policy. © 2006-2010 New Calorie Counter.

Build: 2010_08_08_0326 - PROD - 08-August-2010 03:26.
calorie counter; calorie counting; counting calories; calorie counters