title: False high values for ascorbic acid in guava juice; a note on the use of the colorimetric method with 2,4-dinitrophenylhydrazine.
mesh_terms: D001205:Ascorbic Acid; D005502:Food; D006801:Humans; D006834:Hydrazines; D010659:Phenylhydrazines; D031647:Psidium
chemical_list: D006834:Hydrazines; D010659:Phenylhydrazines; C446799:dinitrophenylhydrazine; C004787:2,4-dinitrophenylhydrazine; D001205:Ascorbic Acid