https://www.selleckchem.com/pr....oducts/FK-506-(Tacro
Background Parquetina nigrescens (Afzel) Bullock is a commonly used medicinal plant in African traditional medicine. The powdered roots and stems of the plant are taken with pap as a memory enhancer among the Yorubas of southwestern Nigeria. The mechanism by which scopolamine induces cognitive deficit mimics the pathogenesis of neurodegeneration in cognitive impairment. This study therefore, aimed at investigating the effect of the methanol stem extract of P. nigrescens on sub-chronically scopolamine-induced cognitive defici