Blueberries and raspberries

Blueberries and raspberries

Blueberries and raspberries have the same pigment compounds, anthocyanins. Blueberries are blue because they are less acidic. If you add an acid like vinegar to crushed blueberries, they will turn red. Adding a base like baking soda will return them to blue.

Previous Fact Next Fact
Categories: Food