Indole is an aromatic heterocyclic organic compound. It has a bicyclic structure consisting of a six-membered benzene ring fused to a five-membered nitrogen-containing pyrrole ring.

Phellodendrine has anti-nephritic activity, may be due to its ability to inhibit the proliferation or the migration of macrophages and cytotoxic T lymphocytes in the glomeruli.

Armillarisin A?enhancing the role of macrophages inhibiting bacteria growth improving the protein metabolism and regulating liver function.