Ask a grown-up: why are blueberries blue?
Ask a grown-upLife and styleA nutritional therapist answers nine-year-old Alice's questionBlueberries aren't actually blue, but deep purple, which is the colour of anthocyanin, a pigment that is especially rich in blueberries.
Humans have evolved to be attracted to, and to want to eat, coloured foods. For example, our ancestors would have known to eat berries that had a rich colour, because that meant they were sweet and ripe. Animals would also have been attracted to the vivid colour of ripe berries, and would have eaten the berries, resulting in the seeds being spread around afterwards when they went to the toilet.
[Read More]