Research Progress of Natural Food Coloring in Food
This paper summarises the different sources of natural food colours available on the market,the ways of separation and purification of natural colours,the characteristics of different sources of natural colours in food applications and the current situation of the application of various natural food colours.The unstable nature of natural colours is summarised,and the methods to enhance the stability of natural colours are summarised to provide more reference information for the application of natural colours in food.