Pyruvic acid is an intermediate compound in the metabolism of carbohydrates proteins and fats. In thiamine deficiency its oxidation is retarded and it accumulates in the tissues especially in nervous structures.

Tos-Gly-Pro-Arg-ANBA-IPA is a chromogenic peptide substrate. Tos-Gly-Pro-Arg-ANBA-IPA is used for the rapid and specific photometric assay of recombinant hirudin (r-hirudin).

Sinapaldehyde has effects against 65 strains of Candida,Sinapaldehyde inhibits prostaglandin synthetase in a dose-dependent way, it dose-dependently inhibits ethyl phenylpropiolate-induced edema of the rat ear, and can inhibit electrically induced contractions of the guinea pig ileum in a dose-dependent way.