[Objective] The aim was to study the extraction technological conditions of total flavonoids from Toona sinensis leaves ......

Two new sterols, 3β,7α,16β-trihydroxy-stigmast-5,22-diene 1, 3β,7α,16β-trihydroxy-stigmast-5-ene 2, were isolated ......

A new limonoid named rohituka-15 1,with a known limonoid dregeana-1 2,was isolated from the seed of Aphanamixis polystac......