A longevity researcher has pinpointed a colourful food that could be the secret to ... Specifically in its purple variety, it has been noted for its rich anthocyanin content.

“At this point, the purple color is simply the result of a small degree of cold temperature stress – nothing severe,” he says. “The plant is growing very slowly due to the cool weather ...

Purple sprouting broccoli can be a cheap and cheerful ingredient for early spring dinners and goes brilliantly with anchovy and chilli. The UK purple sprouting broccoli season runs from January to ...

Another area is Okinawa - an island chain in southern Japan. Here, a purple food has played a huge part in the residents' daily diet - sweet potato. This food has been championed for its wealth of ...