Effect of ginsenoside Rb1 on insulin signal transduction pathway in hippocampal neurons of high-glucose-fed rats Puerarin alleviates cognitive impairment and tau hyperphosphorylation in APP/PS1 transgenic mice Investigation of a compound, compatibility of Rhodiola crenulata, Cordyceps militaris, and Rheum palmatum, on metabolic syndrome treatment Ⅴ——mechanisms on improving glucose metabolic disorders