Pitaya colourant

Pitaya fruit may offer red colouring for food The use of pitaya as a source of red colours for foods is in its infancy, but the potential of these fruits to offer alternatives to re beet is growing, say the German scientists working on bringing the pigments from the lab bench to industry. http://www.foodnavigator.com/Science-Nutrition/Pitaya-fruit-may-offer-red-colouring-for-food