Finn: Well, that sounds like a good thing. And not only that, it has an antioxidant - that's a substance that stops the decaying process - which tests show could help fight cancer.
Rob: One day we could see these purple tomatoes on pizzas or in our tomato ketchup. Let's hear from professor Cathie Martin who is a plant biologist from The John Innes Centre who developed this tomato. What does she say is good about this new food.