... b widely used in dope,resin, medicines and plasticizer ,food additives ,feed additives and so on . Fumaric acid can be named fumerate as ... chemicals . widely used in dope,resin, medicines and plasticizer ,food additives ,feed additives and so on .1,Food grade of fumaric acid as ... to keep challah,vegetable ,fruit and fresh meat well .3,Feed grade of fumaric acid and the ester as acidic antiseptic ...