Cyanidin can present in reddish color in an acidic medium. In addition, its color is changed to purple and dark blue color corresponding to its quinoidal and anhydrobase ion, respectively upon pH increasing the solution pH [8].
Cyanidin can present in reddish color in an acidic medium. In addition, its color is changedto purple and dark blue color corresponding to its quinoidal andanhydrobase ion, respectively upon pH increasing the solution pH[8].