Gmelinol is a

lignan The lignans are a large group of low molecular weight polyphenols found in plants, particularly seeds, whole grains, and vegetables. The name derives from the Latin word for "wood". Lignans are precursors to phytoestrogens. They may play a role ...

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

Gmelina arborea ''Gmelina arborea'', (in English beechwood, gmelina, goomar teak, Kashmir tree, Malay beechwood, white teak, yamane ), locally known as gamhar, is a fast-growing deciduous tree in the family Lamiaceae. Distribution and habitat ''Gmelina arborea ...

''. This compound, along with four other chemicals also found in the same species, (+)-7′-O-ethyl

arboreol Arboreol is an epoxylignan. Arboreol can be transformed by acid catalysis into gmelanone Gmelanone is a lignan found in the heartwood of ''Gmelina arborea''. Arboreol can be transformed by acid catalysis In acid catalysis and base catalysis, ...

, (+)- paulownin, (+)-epi eudesmin and (−)-

β-sitosterol β-sitosterol (beta-sitosterol) is one of several phytosterols (plant sterols) with chemical structures similar to that of cholesterol. It is a white, waxy powder with a characteristic odor, and is one of the components of the food additive E499 ...

, shows antifungal activity against ''

Trametes versicolor ''Trametes versicolor''also known as ''Coriolus versicolor'' and ''Polyporus versicolor''is a common polypore mushroom found throughout the world. Meaning 'of several colors', ''versicolor'' reliably describes this fungus that displays a varie ...

''.

References

Lignans {{aromatic-stub