title: Direct estimation of lysine in corn meals by the ninhydrin color reaction.
mesh_terms: D003116:Color; D005069:Evaluation Studies as Topic; D005504:Food Analysis / Q000379:methods; D005823:Genetics; D008239:Lysine / Q000032:analysis*; D009555:Ninhydrin; D003313:Zea mays / Q000032:analysis*
chemical_list: D009555:Ninhydrin; D008239:Lysine