Cousinia Cass. is one of the widespread genera Asteraceae family. There a large number ofpharmacological activity studies on this genus and it has not yet been examined phytochemically in detail. Pseudo taraxasterol (ψ-taraxasterol) pentacyclic triterpene with different pharmacological such as antinociceptive, anti-inflammatory. In report, we aimed to evaluate ψ-taraxasterolcontent, which isola...