Sophora root mainly contains alkaloids, flavonoids, quinones, and triterpenoid saponins. Alkaloids contain Matrine, oxymatrine, sophoridine, sophoranol, sophoramine, etc. Flavonoids contain kushenol, kuraridin, kuraridinol, kurarinol, neokurarinol, norkurarinol, isokurarinone, kurarinone, and more. Triterpenoid saponins include sophoraflavoside Ⅰ, Ⅱ, Ⅲ, Ⅳ, soyasaponin I, and so on. Quinones are kushequinone A and others.
1. The chemical composition and physical and che