title: Gas chromatographic determination of phenylalanine ammonia-lyase activity in two varieties of Nicotiana tabacum.
mesh_terms: D000641:Ammonia; D002849:Chromatography, Gas; D002934:Cinnamates / Q000032:analysis; D008190:Lyases / Q000032:analysis*; D008722:Methods; D010649:Phenylalanine; D010944:Plants / Q000201:enzymology*; D010947:Plants, Toxic; D013045:Species Specificity; D014026:Nicotiana / Q000201:enzymology
chemical_list: D002934:Cinnamates; D010649:Phenylalanine; D000641:Ammonia; D008190:Lyases