(?), n. (Chem.) A yellow dyestuff (C27H30O14) extracted from the root bark of an East Indian plant (Morinda citrifolia) or from the bark of Coprosma australis. The substance is also found in the fruit of the Morinda citrifolia, called noni, which is touted by some merchants to have a stimulatory effect on the immune system. It is a disaccharide derivative of anthracenedione.
[1913 Webster +PJC]


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Sun 01st August 2021