Eating colourful fruits and vegetables is good for you, but do you know why? 

In the case of foods from the blue/purple/dark red family, the common element is a series of compounds known as anthocyanins.

What is an Anthocyanin? They are part of a family of active compounds in food known as flavonoids.

In general, any fruit, vegetable or legume (think beans) that have a deep red, purple or blue hue will contain some amount of anthocyanins, though some foods naturally contain more than others.

So how, exactly then do anthocyanins work the body?