Brilliant Blue FCF or Blue #1 or E-133 is a synthetic dye derived from petroleum, from the azo group, widely used in the food industry and you will find it in the gummies you buy for your children, colored pills and chewing gums.
But unlike other common dyes, it goes beyond the blood and can reach the brain, causing neuronal damage, hypersensitivity and very strong allergic reactions, eczema and urticaria. In mice it has caused kidney tumors in mice. In addition, it is not well absorbed in the intestine and may stain feces green. High toxicity level.
To color your children’s food, prefer natural fruit or vegetable dyes.
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