C4H8N2O3H2O

Asparagine As*par"a*gine, n. [Cf. F. asparagine.] (Chem.) A white, nitrogenous, crystallizable substance, {C4H8N2O3+H2O}, found in many plants, and first obtained from asparagus. It is believed to aid in the disposition of nitrogenous matter throughout the plant; -- called also {altheine}. [1913 Webster]