Scientists: not all food safe dyes

American experts have questioned the safety of food coloring caramel color. Was previously proved his innocence, but now have questions, reports Live Science. During one of the inspections in a sweet fizzy was found 4-Mei, the content of which was much higher than the norm.

This compound is a by - product of the manufacture of the dye. Today it is difficult to say whether all the products with caramel color are dangerous to health, as detailed studies have not been conducted. Test steps 4-methylimidazole in mice proved that the substance provokes the development of tumor in the lungs.

California has already adopted special measures in respect of dangerous carcinogen. If its content exceeds 29 mcg, the label should be a warning about a possible danger to the organism.

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