choline

noun

cho·​line ˈkō-ˌlēn 

: a basic compound C₅H₁₄NO that is found in various foods (such as egg yolks and legumes) or is synthesized in the liver, that is a component of lecithin and a precursor of acetylcholine, and that is essential to the metabolism of fat in the liver and is usually included in the vitamin B complex

Examples of choline in a Sentence

Recent Examples on the Web

Eggs Eggs contain choline, which is needed to produce acetylcholine, a neurotransmitter involved in memory, mood, and other brain functions.14 Tryptophan in eggs may improve perceptual motor skills, speed, and attention. —Sohaib Imtiaz, Verywell Health, 22 Jan. 2025

Eggs provide high-quality protein, choline, and antioxidants like lutein and zeaxanthin. —Johna Burdeos, Health, 21 Jan. 2025

Some preliminary research suggests low choline levels are associated with a higher risk of neural tube defects.20 A Word From Verywell Prenatal supplements are not necessarily one-size-fits-all. —Melissa Nieves, Verywell Health, 8 Jan. 2025

Eggs, in particular, are great for extra choline, as your liver will use choline stores to mitigate the damage of drinking alcohol. —Emily Peck, WIRED, 31 Dec. 2024

Word History

Etymology

International Scientific Vocabulary

First Known Use

circa 1871, in the meaning defined above

Kids Definition

choline

noun

cho·​line ˈkō-ˌlēn 

: a vitamin of the vitamin B complex that is widely distributed in animal and plant products (as eggs and beans) and is necessary for the activities of the liver

Medical Definition

choline

noun

cho·​line ˈkō-ˌlēn 

: a basic compound C₅H₁₄NO that is found in various foods (as egg yolk and legumes) or is synthesized in the liver and that is a component of lecithin, is a precursor of acetylcholine, and is essential to liver function