... meat, food, pastry production, pickled vegetables (olives, cucumbers, pearl onion) and canned food processing, fruit storage, it can adjust pH value ... acid can be applied to hard candy, candied fruit and other sweets products, moderate sugar conversion rate. 6. ... bread, cakes, biscuits and baking food for seasoning and bacteriostasis, it can improve quality , color and lustre and extend the shelf life. ...