Phellibaumins are

hispidin Hispidin is a natural substance. It can also be synthesized. Hispidin 4-''O''-β-D-glucopyranoside can be found in ''Pteris ensiformis'' whereas hispidin derivatives, such as phellibaumins, can be found in the edible mushroom '' Inonotus xerantic ...

derivatives isolated from the fungus ''

Phellinus ''Phellinus'' is a genus of fungi in the family Hymenochaetaceae. Many species cause white rot. Fruit bodies, which are found growing on wood, are resupinate, sessile, and perennial. The flesh is tough and woody or cork-like, and brown in co ...

''. Five such derivatives have been identified, designated as phellibaumins A through E. Phellibaumins A and B are classified as pyranones, while phellibaumins C, D, and E are classified as styrylpyranones. Phellibaumin A was also identified as being produced by the fungus ''

Inonotus hispidus ''Inonotus hispidus'', commonly known as shaggy bracket, is a North American fungus and plant pathogen. Description The fruit bodies are generally semicircular and lumpy, measuring across. They are orangish with a lighter margin when fresh, ...

,'' and phellibaumins B and C were identified in '' Sanghuangporus vaninii''. Phellibaumin E is of interest to medical researchers due to potential anti-dementia effects.

Chemical structures

Phellibaumin A.svg, Phellibaumin A Phellibaumin B.svg, Phellibaumin B Phellibaumin C.svg, Phellibaumin C Phellibaumin D.svg, Phellibaumin D Phellibaumin E.svg, Phellibaumin E

References

{{reflist Hispidins Phellinus