Objective: To study the chemical constituents of the fruits of Lycium ruthenicum Murr..
Methods: Isolation and purification were carried out on macroporous resin column, Sephadex LH-20 and HPLC.
Objective: To study the chemical constituents of aerial parts of Ammopiptanthus mongolicus.
Method: Isolation and purification were carried out on silica gel, Sephadex LH-20 and HPLC column chromatography. The structures of the compounds were identified by physico-chemical properties and spectral analysis.