title: Hydrolysis of proteins with p-toluenesulfonic acid. Determination of tryptophan.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D000818:Animals; D001322:Autoanalysis; D002241:Carbohydrates; D002417:Cattle; D006023:Glycoproteins / Q000032:analysis*; D006851:Hydrochloric Acid; D006868:Hydrolysis; D007211:Indoles; D008722:Methods; D009113:Muramidase / Q000032:analysis; D010447:Peptide Hydrolases / Q000032:analysis; D011492:Protein Hydrolysates; D011506:Proteins / Q000032:analysis*; D012260:Ribonucleases / Q000032:analysis; D013451:Sulfonic Acids; D013997:Time Factors; D014050:Toluene; D014364:Tryptophan / Q000032:analysis*
chemical_list: D000596:Amino Acids; D002241:Carbohydrates; D006023:Glycoproteins; D007211:Indoles; D011492:Protein Hydrolysates; D011506:Proteins; D013451:Sulfonic Acids; D014050:Toluene; D014364:Tryptophan; D012260:Ribonucleases; D009113:Muramidase; D010447:Peptide Hydrolases; D006851:Hydrochloric Acid