title: [Determination of the red pigment in Hibiscus sabdariffa powder by pH differential colorimetry].
mesh_terms: D001628:Beverages / Q000032:analysis*; D003124:Colorimetry / Q000379:methods; D006863:Hydrogen-Ion Concentration; D010860:Pigments, Biological / Q000032:analysis*
chemical_list: D010860:Pigments, Biological