Yuan, Dongdong Mechanism study on the formation of complex between Ca(II) and indigo carmine for potential food use as a colorant lake. [electronic resource] - Food chemistry Aug 2020 - 126709 p. digital Publication Type: Journal Article ISSN: 1873-7072 Standard No.: 10.1016/j.foodchem.2020.126709 doi Subjects--Topical Terms: Calcium--chemistryCalorimetryColorEntropyFood Coloring Agents--chemistryIndigo Carmine--chemistrySpectrophotometrySpectrophotometry, Infrared