fumaric

Fu*mar"ic, a. (Chem.) Defn: Pertaining to, or derived from, fumitory (Fumaria officinalis). Fumaric acid (Chem.), a widely occurring organic acid, exttracted from fumitory as a white crystallline substance, C2H2(CO2H)2, and produced artificially in many ways, as by the distillation of malic acid; boletic acid. It is found also in the lichen, Iceland moss, and hence was also called lichenic acid.

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