title: [A method for the fluorimetric determination of usnic acid in pharmaceutical preparations].
abstract: A new, rapid, sensitive and reproducible micromethod for the fluorometric determination of usnic acid in pharmaceutical formulations has been developed. The method makes use of the quenching of the fluorescence produced by usnic acid in the solution of anthranilic acid in TRIS. The possibility of extending the method to cosmetic finished products is demonstrated.
mesh_terms: D001572:Benzofurans / Q000032:analysis*; D055598:Chemical Phenomena; D002621:Chemistry; D004340:Drug Contamination; D005470:Fluorometry / Q000379:methods; D014325:Tromethamine; D062367:ortho-Aminobenzoates
chemical_list: D001572:Benzofurans; D062367:ortho-Aminobenzoates; D014325:Tromethamine
vernacular_title: Su un metodo di determinazione fluorimetrica dell'acido usnico nei preparati farmaceutici.