lysine


ly·sine

noun \ˈlī-ˌsēn\

Definition of LYSINE

:  a crystalline essential amino acid C6H14N2O2 obtained from the hydrolysis of various proteins

First Known Use of LYSINE

1892

ly·sine

noun \ˈlī-ˌsēn\   (Medical Dictionary)

Medical Definition of LYSINE

: a crystalline essential amino acid C6H14N2O2 obtained from the hydrolysis of various proteins—abbreviation Lys

lysine

noun    (Concise Encyclopedia)

One of the essential amino acids, present in many common proteins. Its proportion in the proteins of some important food plants (including wheat and corn) is so small that populations dependent on these grains as the sole source of dietary protein suffer from lysine deficiency, affecting growth in children and general well-being in adults. It is used in biochemical and nutritional research, in pharmaceuticals, in fortified foods, and as a nutritional supplement and feed additive.

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