Table 1.

Biological activities of Inonotus obliquus main components.

Component	Biological Activities	References
Polysaccharide	Anticancer, anti-inflammatory, antiviral, antioxidant, immunomodulatory, hypoglycemic, hypolipidemic, hepatoprotective, etc.	[18,19,20,21,22,23,24]
Polyphenol	Antioxidant	[25]
Triterpenoid	Anticancer, anti-inflammatory, antiviral, and antioxidant	[26,27,28,29,30]
Melanin	Antioxidant, anti-inflammatory, antiviral, hypolipidemic and immunomodulatory	[24,31,32,33,34]