Stock Photo - Teinturier Purple Grapevine or claret grapes, Vitis vinifera Purpurea, green to mauve and bronze to deep purple leaves, burgundy color, Teinturier (French: to dye or to stain) grapes are grapes whose flesh and juice is red in colour due to anthocyanin pigments accumulating within the pulp of the grape berry itself, Teinturier varieties, while containing a lot of color, usually make special wines, perhaps due to a higher level of tannins, compounds structurally related to the anthocyanins, many winemakers blend small volumes of teinturier juices into their wines, to boost the colour, without dramatically impacting the taste, vineyards near Bougy-Villars, La Cote, La Côte, Morges district, canton Vaud, Switzerland, Europe