Why on ingredients labels are colors identified with numbers, such as yellow 2 or blue 1 etc

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Why on ingredients labels are colors identified with numbers, such as yellow 2 or blue 1 etc

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Anonymous 0 Comments

The numbers indicate the color of the dye. Blue 3 is different than blue 7 etc. they are also chemically different so people with certain allergies might not want to consume a specific dye.

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