arachidonic acid

[ ar-uh-ki-don-ik, ar- ]

noun

, Biochemistry.

1. an essential fatty acid, C 20 H 32 O 2 , found in the lipids of most tissues, that is a precursor in the synthesis of prostaglandins, prostacyclins, and related effectors.

arachidonic acid

/ ˌærəkəˈdɒnɪk /

noun

1. a fatty acid occurring in animal cells: the metabolic precursor of several groups of biologically active substances, including prostaglandins

Word History and Origins

Origin of arachidonic acid¹

First recorded in 1910–15; arachid(ic) + -onic

Example Sentences

But there’s simply not good enough evidence to support this; while it’s true that one compound produced as your body breaks down omega-6s, arachidonic acid, is linked to inflammation, other breakdown products actually help fight inflammation.

From Salon

Researchers found that higher levels of arachidonic acid, a polyunsaturated omega-6 fatty acid obtained from foods like poultry, seafood and eggs, led to a lower risk of bipolar disorder.

From Salon

Conversely, lower levels of arachidonic acid led to a higher risk of bipolar disorder.

From Salon

Most of them were lipids, including arachidonic acid and other complex lipids containing either an arachidonic or a linoleic fatty acid side chain, the study specified.

From Salon

“In fact, in many countries, arachidonic acid is added to infant formula to ensure a child gets the best start to life,” Stacey said.

From Salon