title: Improved recovery of tryptophan following acid hydrolysis of proteins.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D000818:Animals; D001322:Autoanalysis; D002417:Cattle; D003553:Cystine / Q000032:analysis; D005069:Evaluation Studies as Topic; D006862:Hydrogen Sulfide; D006863:Hydrogen-Ion Concentration; D007211:Indoles; D008623:Mercaptoethanol; D008722:Methods; D009113:Muramidase / Q000032:analysis*; D010084:Oxidation-Reduction; D011422:Propionates; D011492:Protein Hydrolysates / Q000032:analysis*; D013864:Thioglycolates; D013997:Time Factors; D014363:Tryptamines; D014364:Tryptophan / Q000032:analysis*
chemical_list: D000596:Amino Acids; D007211:Indoles; D011422:Propionates; D011492:Protein Hydrolysates; D013864:Thioglycolates; D014363:Tryptamines; D003553:Cystine; D008623:Mercaptoethanol; D014364:Tryptophan; D009113:Muramidase; D006862:Hydrogen Sulfide