Gmelinol is a lignan.

(+)-Gmelinol can be isolated from the heartwood of Gmelina arborea.

This compound, along with four other chemicals also found in the same species, (+)-7′-O-ethyl arboreol, (+)-paulownin, (+)-epieudesmin and (−)-β-sitosterol, shows antifungal activity against Trametes versicolor.

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