Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Soad El-Gengaihi"'
Publikováno v:
Herba Polonica, Vol 61, Iss 3, Pp 77-92 (2015)
Summary Different extracts from seven plant species were assayed against the cowpea beetle (Callosobruchus maculatus) in the laboratory. The plants were extracted sequentially with petroleum ether, chloroform and ethyl alcohol. The petroleum ether ex
Publikováno v:
International Journal of Tropical Insect Science. 18:325-331
Gas-liquid chromatography was used to analyse the saponifiable and unsaponifiable fractions of petroleum ether (PE) extracts of neem fruits and leaves. Both fractions, as well as a crude PE extract, were assayed for biological activity against third
Publikováno v:
Anzeiger für Schädlingskunde Pflanzenschutz Umweltschutz. 69:157-159
Thyme oil was obtained by hydrodistillation and Thymol the major constituents was purchased from Prolabo Co. and they were tested againstTetranychus urticae Koch. Thymol was more potent than Thyme oil as a deterrent factor for reducing egg laying by
Publikováno v:
Scopus-Elsevier
An enriched alkaloidal fraction from harmal seeds was prepared as iodide derivative, and fractionated by preparative TLC. Three compounds were obtained: harmine, harmaline and harmalol. The biological activity of the iodide derivative and the three c
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