It can be used as acidulant, acidity regulator, acidifier,
thermal-oxidative resist auxiliary, curing accelerant and spice.
Widly used in producing various carbonic acid drink, wine, concentrated
solid drink, ice cream and other cold foods and drink. It can replace
malic acid, citric acid, for its acidity degree is 1.5 times of that of citric
acid. Fumaric acid can be used as pharmaceutical intermediate and
optical bleaching agent, also used in manufacturing unsaturated