Mearnsetin is an ''O''-methylated flavonol. It can be found in ''

Eucalyptus globulus ''Eucalyptus globulus'', commonly known as southern blue gum or blue gum, is a species of flowering plant in the family Myrtaceae. It is a tall, evergreen tree Endemism, endemic to southeastern Australia. This ''Eucalyptus'' species has most ...

'' and in '' Elaeocarpus lanceofolius''. The compound has

antioxidative Antioxidants are compounds that inhibit oxidation, a chemical reaction that can produce free radicals. Autoxidation leads to degradation of organic compounds, including living matter. Antioxidants are frequently added to industrial products, s ...

properties. Mearnsetin 3,7-dirhamnoside can be found in the fern ''

Asplenium antiquum ''Asplenium antiquum'' is a fern of the family Aspleniaceae, commonly known as bird's-nest ferns (also called spleenworts). In Japanese, it is known by ''ō-tani-watari '' and ''tani-watari''. It grows on cliffs, logs and rocks, near waterfalls ...

''.

References

O-methylated flavonols Resorcinols Pentols {{phenol-stub