n.
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.
n.
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.
Britannica Concise Encyclopedia. Краткая энциклопедия Британика. 2012