Um`bel*lif"er*one (?), n. Chem.

A tasteless white crystalline substance, C9H6O3, found in the bark of a certain plant (Daphne Mezereum), and also obtained by the distillation of certain gums from the Umbelliferae, as galbanum, asafetida, etc. It is analogous to coumarin. Called also hydroxy-coumarin.

<-- its strong fluorescence makes it useful in analytical biochemistry. -->


© Webster 1913.

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