Sulfur-containing essential amino acid, present in many common proteins, particularly egg albumin. It is used in pharmaceuticals, in enriched foods, and as a nutritional supplement and feed additive.
This entry comes from Encyclopædia Britannica Concise.For the full entry on methionine, visit Britannica.com.
What made you look up methionine? Please tell us what you were reading, watching or discussing that led you here.
Take Our 10-Question Quiz
The commonly misspelled words quiz
A quick quiz about stuff worth knowing
How strong is your vocabulary?
The Vocab Quiz Game for iPhone & iPad
"Incredibly fun and addictive. And informative!" User Review, iTunes