title: Recycling gel chromatography of phenolic compounds.
mesh_terms: D000596:Amino Acids / Q000302:isolation & purification*; D002852:Chromatography, Ion Exchange; D004298:Dopamine / Q000302:isolation & purification; D008433:Mathematics; D010627:Phenethylamines / Q000302:isolation & purification; D010656:Phenylephrine / Q000302:isolation & purification; D013696:Temperature; D014364:Tryptophan / Q000302:isolation & purification; D014439:Tyramine / Q000302:isolation & purification
chemical_list: D000596:Amino Acids; D010627:Phenethylamines; D010656:Phenylephrine; D014364:Tryptophan; D004298:Dopamine; D014439:Tyramine