Protective effects of PhGs, ECH and AS on the cells treated with (A) Aβ1–42 and (B) H2O2. #P<0.05, vs. control group; *P<0.05, vs. model group; **P<0.05, vs. model group. Aβ, â-amyloid peptide; PhGs, phenylethanoid glycosides; ECH, echinacoside; AS, acteoside.