WELCOME PUREWAL BLUEBERRY FARMS LTD. Berries are rich in phytonutrients. These natural plant chemicals provide recognized functional contributions to health. Anthocyanin, the chemical component that gives the blueberry its deep blue colour, is also responsible for its potent antioxidant property. Anthocyanin is a flavonoid or plant antioxidant that neutralizes the effects of unstable oxygen molecules known as free radicals. more... See more text