Antifungal effect : Decoctions of Radix Sophorae Flavescentis (kǔ shēn) have been shown to have an inhibitory effect in vitro against common dermatomycoses. [1] ■ Antiarrhythmic effect : The injection solution made from the root could prevent chloroform-, epinephrine-, aconitine- or ouabain-induced arrhythmia in mice by intraperitoneal administration and in rats and rabbits by intravenous administration.