Kushenol L is a major component of Sophora flavescens Ait's ethanol extract, used in life sciences and traditional Chinese medicine. It exhibits anti-diabetic activity and has been studied for its pharmacokinetics in adult male Sprague-Dawley rats (300g) with 1mg/kg oral administration: T₁/₂=2.26 hours, Cmax=24.17μg/L, AUC=54035μg/h•L.