The Glauciumpaucilobum Freyn population of the Golestan forest contained three major alkaloids; protopine (0.5%), ?-allocryptopine (0.2%), corydine (0.1 %), and six minor alkaloids; N-rnethyllind carpine (0.006), bulboca 'nine (0.04%), 4-hydroxy bulbocapnine (0.001%), Ismorycline (0.04%), arosine (0%02%) and corydine-?-Noxide (0.003%). N-methyllindcrapine, 4-hydroxybulbocapnine and corydine-...

During an investigation of antitumor substances from Nigella glandulifera Freyn et Sint. (Ranunculaceae) the cytotoxicity of two oleanane triterpene saponins isolated from the seeds of this species, kalopanaxsaponins A and I, was evaluated against HepG2, drug resistant HepG2 (R-HepG2) (two hepatocyte cell lines) and primary cultured normal mouse hepatocytes. Evident cytotoxic activities were ob...

Background: The objective of this study was to determine the distribution some endemic species genus Astragalus L. (Astragalus anthylloides Lam., lycius Boiss. and xylobasis var. angustus (Freyn & Sint.) Freyn Bornm.) species, interaction between soil, climatic characteristics desertification risk which affect these in semi-arid environment Çankırı, northwest Turkey. During vegetation period 20...