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Picture from gettyimages
Food coloring is one of more than 20 types of food additives, and has been an important material for food since ancient times
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Food coloring can color food or restore the color of food, make food pleasing to the eye, and increase the pleasure of eating
Examples of using turmeric as a delicacy: turmeric rice (left), mustard sauce (top right) and pickled yellow radish (bottom right)
In addition, there is a type of food coloring that does not exist in nature and can only be manufactured by chemical synthesis methods, such as "Tartrine Yellow" and "Sunset Yellow FCF"
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In the past, these two food colorants were made from coal tar, but now they are mainly made from petroleum
Today, food coloring has been widely used in various processed foods
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Common ones include food coloring made from insects (cochineal red made from female cochineal) and minerals (titanium dioxide in ilmenite)