Gut microbiota  in Dengzhan Shengmai formulation ameliorates cognitive impairments
Mice were randomly divided into three groups (n =10): the normal (Nor), aging (Aging), DZSM-H group. CI model was established by intraperitoneal injection of D-galactose (125 mg/kg/d) for 10 weeks, in DZSM-H group received oral DZSM ( 0.486 g/kg/d), respectively, for 6 weeks, after 4 weeks of D-galactose induction. and 0.1 g of fresh feces was collected.