Product Short Description: D TARTARIC ACID LR Product Description: Its primary commercial source is as a byproduct of the wine industry. It is used as an additive in many foods, such as soft drinks, bakery products, and candies. Industrial uses include tanning, ceramics manufacture, and the production of tartrate esters for lacquers and textile printing. Its primary commercial source is as a byproduct of the wine industry. It is used as an additive in many foods, such as soft drinks, bakery products, and candies. Industrial uses include tanning, ceramics manufacture, and the production of tartrate esters for lacquers and textile printing.