Hederagenic acid (compound 2) is a kind of triterpenoid saponin. Hederagenic acid can be isolated from the roots of Kalopanax septemlobus (Thunb.) Koidz.

Albanol B is an arylbenzofuran derivative which can be isolated from mulberries. Albanol B exhibits anti-Alzheimer's disease, anti-bacterial and antioxidant activities. Albanol B inhibits cancer cells proliferation, down-regulates CDK1 expression. Albanol B also induces cell cycle arrest at G2/M and apoptosis. And Albanol B induces mitochondrial ROS production and increases the phosphorylation levels of AKT and ERK1/2.

β-Amyloid (17-40) (Aβ(17-40)) is a fragment of Amyloid-β peptide that has shown neurotoxic activities in SH-SY5Y and IMR-32 cells. β-Amyloid (17-40) can be used for the research of neurological disease.