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Foods -- Breads and Grains

Why do the cranberries turn color when they are baked in bread?

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The cranberries in baked products may turn a greenish or yellowish color in response to the pH of the product. Anything that causes the pH to become more alkaline (baking powder or soda) causes the anthocyanin pigment to turn green. If the product becomes more acidic, with the addition of fruit juices, the pigment becomes yellowish.

PREPARED BY: Angela M. Fraser, Ph.D., Associate Professor/Food Safety Specialist, and Carolyn J. Lackey, Ph.D., R.D., L.D.N., Professor/Food and Nutrition Specialist, North Carolina State University (August 2004)

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