title: Demonstration of endo-N-acetylglucosaminidase and endo-N-acetylmuramidase as impurities in a crude commercial preparation of  -amylase from barley.
mesh_terms: D000605:Amino Alcohols / Q000032:analysis; D000606:Amino Sugars / Q000032:analysis; D000681:Amylases; D001419:Bacteria / Q000032:analysis; D001433:Bacteriolysis; D001894:Borohydrides; D002473:Cell Wall / Q000032:analysis; D002854:Chromatography, Paper; D002523:Edible Grain / Q000201:enzymology*; D005944:Glucosamine / Q000032:analysis; D006596:Hexosaminidases / Q000032:analysis*; D006863:Hydrogen-Ion Concentration; D007525:Isoelectric Focusing; D008837:Micrococcus / Q000032:analysis; D009112:Muramic Acids / Q000032:analysis; D009113:Muramidase / Q000032:analysis*; D010457:Peptidoglycan / Q000032:analysis / Q000378:metabolism; D014733:Vibrio / Q000032:analysis
chemical_list: D000605:Amino Alcohols; D000606:Amino Sugars; D001894:Borohydrides; D009112:Muramic Acids; D010457:Peptidoglycan; D000681:Amylases; D006596:Hexosaminidases; D009113:Muramidase; D005944:Glucosamine