title: Quantitative analysis of tryptophan modified by 2-hydroxy-5-nitrobenzyl reagents after hydrolysis with p-toluenesulfonic acid.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D000818:Animals; D055598:Chemical Phenomena; D002621:Chemistry; D002645:Chickens; D002850:Chromatography, Gel; D006868:Hydrolysis; D007202:Indicators and Reagents; D009113:Muramidase; D009578:Nitrobenzenes; D014105:Tosyl Compounds; D014364:Tryptophan / Q000032:analysis*
chemical_list: D000596:Amino Acids; D007202:Indicators and Reagents; D009578:Nitrobenzenes; D014105:Tosyl Compounds; D014364:Tryptophan; D009113:Muramidase