• Question: Is there a chemical that resides in many foods?

    Asked by Jo1 to Deborah on 14 Jun 2016.
    • Photo: Deborah Prunty

      Deborah Prunty answered on 14 Jun 2016:

      Everything is a chemical :p

      All more serious answer though, all sorts of things are added to food for a range of different reasons. They can be added to keep it fresh, or to make sure that every batch is the same colour. They are all tightly controlled and regulated so there are limits of how much of any of them can be added.

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