What is "lardacein"

Lardacein \Lar`da*ce"in\, n. [See Lardaceous.] (Physiol. Chem.) A peculiar amyloid substance, colored blue by iodine and sulphuric acid, occurring mainly as an abnormal infiltration into the spleen, liver, etc.

n. (context biochemistry English) A protein found in tissues affected with amyloid degeneration. It is insoluble in nearly all reagents, is not acted upon by gastric juice, and is not readily subject to putrefaction.