The determination of ruin in Cydonia oblonga, Ecballium elaterium, Fraxinus
angustifolia, Jasminum fruticans, Marsdenia erecta, Mimosa pudica, Nicotia
na tabacum, Paliurus spina-christi and Ruta montana was carried out by usin
g a sensitive reversed-phase high performance liquid chromatographic method
Chromatographic analysis war achieved on I LiChrospher 100 RP18 5 mu m col
umn by using an isocratic mixture of water, methanol and glacial acetic aci
d (65:30:5) at a flow rate of 0.8 ml/min as a mobile phase. The UV detectio
n was performed at 259 nm.