Chem. [f. mod.L. Fumaria FUMITORY.] (See quot. 1864.) So Fumaric acid (see quot.); Fumarate, a salt of this acid.
1864. Watts, Dict. Chem., II. 741 Fumaric acid. C4H4O4…. An acid isomeric with maleic acid…. It is produced by the dehydration of malic acid. Ibid., 743. Some of the fumarates are crystalline, others pulverulent, and most of them have a mild taste. Ibid., 747. Fumarine, an organic base, contained in fumitory (Fumariæ officinalis).
1876. Harley, Mat. Med., 362. Besides thie variety of mucilage, the lichen contains 3 per cent. of cetraric acid … 1 per cent. of licheno-stearic acid … a crystalline fat, and a little fumaric acid and sugar.
