| in Did You Know Facts
Blueberries' purple-blue colouring is a sign of their high antioxidant content.
![Blueberries'](https://assets.shortpedia.com/uploads/2022/11/08/1667893754.webp?tr=w-1200,h-600,cm-pad_resize,bg-F3F3F3)
The colour is a result of an antioxidant called anthocyanin, a naturally occurring pigment that is great for blood pressure control and eye health. Additionally a great source of fibre and vitamin C are blueberries.