Anthocyanins are phytochemicals belonging to the flavonoid group. Anthocyanins are polyphenols and this gives them significant antioxidant potential. Anthocyanins are found in high concentrations in fruits and vegetables with red pigments including berries, red cabbage and beetroot. The exact profile of the anthocyanins varies between the plant material, but bnilberries are regarded as one of the richest sources with the anthocyanin delphinidins making up nearly 60 % of the total anthocyanin content. Anthocyanin consumption is associated with neuroprotection, and this may result from their antioxidant potential. Much of the experimental work on neuroprotection has used animal models, and in this regard a cause and effect for treatment with anthocyanins in the protection of neurones has been evidenced. The antioxidant effects of anthocyanins and other antioxidants may alter cell signalling and this may result in beneficial outcomes for cells and tissues when they are under significant external stress.
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