Natural Tartaric acid

Natural Tartaric acid  (C4H6O6) is an organic acid naturally contained in grapes and it is obtained from a by-product of wine (wine-lees).
It is well known, in fact, from the ancient times, that during grapes fermentation crystals of potassium ditartrate (tartar) remain on the walls of aging barrels or deposit a fine sediment, the so-called wine-lees.
Today Natural Tartaric Acid Natural Tartaric Acid is obtained through the industrial reduction of Calcium Tartrate from wine lees and wine by-products.