Protective effect of Millettia pulchra polysaccharide on cognitive impairment induced by d-galactose in mice.

Highlights: [•] PMP significantly ameliorate cognitive disorder induced by d-gal in mice. [•] PMP markedly reduce the content and deposition of β-amyloid peptide (Aβ). [•] PMP enhance the expressions of synapse plasticity-related proteins. [•] PMP reverse the abnormality of Ach level and AChE activity. [ABSTRACT FROM AUTHOR]