date:Mar 06, 2019
homogeneous colour distribution, brightness, stability, and ease of application (Griffiths, 2015).
With high water and oil dissolution properties, shelf life of the synthetic colourants is quite long. Synthetic colourants are divided into three groups according to their solubility into water-soluble synthetic colours, fat-soluble synthetic colours and lake colours (Demirag Uysal, 2006).
Water-soluble synthetic colours mainly include Sunset Yellow, Tartrazine, Erythosine, Brilliant Blue FCF and