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Phytochemical and Pharmacological Investigations on Moringa peregrina (Forssk) Fiori
Seham A. Elbatran,Omar M. Abdel-Salam,Khaled A. Abdelshfeek,Naglaa M. Nazif,Shams I. Ismail,Faiza M. Hammouda 한국생약학회 2005 Natural Product Sciences Vol.11 No.4
Investigation of M. peregrina aerial parts revealed the isolation and identification of 4-flavonoidalcompounds, quercetin, quercetin-3-0-rutinoside (rutin), chrysoeriol-7-0-rhamnoside and 6,8,3/,5/-tetramethoxyapigenin. The compounds were identified by TLC, PC, MS, and H1-NMR. The fatty acids and unsaponifiablematter were studied. The LD50 for M. peregrina was 113.4 mg/100 g b.wt. Repeated intraperitoneal injection of 1/20 and 1/10 LD50 (5.67 mg and 11.34 mg/100 g b.wt.) of defatted alcoholic extract of M. peregrina for 30 daysinduced significant decrease in serum glucose, liver enzymes and lipid components. M. peregrina administeredi.p., 30 min prior to carrageenan at the above doses significantly inhibited the rat paw oedema response. In acuteM. peregrina exhibited markedanalgesic properties. In addition, M. peregrina administered at time of indomethacin injection inhibited thedevelopment of gastric lesions in rats.
Phytochemical and Biological Studies on Verbascum sinaiticum Growing in Egypt
Samia M. Mahmoud,Nahla S. Abdel-Azim,Abdelaaty A. Shahat,Shams I. Ismail,Faiza M. Hammouda 한국생약학회 2007 Natural Product Sciences Vol.13 No.3
aerial parts of Verbascum sinaiticum Benth. (Scrophulariaceae) yielded two iridoids that wereidenified as ajugol 3 and aucubin 4. Also, investigation of the flavonoid constituents revealed the isolation andidentification of luteolin 1 and chrysoeriol-7-glucoside 2. All the isolated compounds were identifid by spectrosco-picmethods (UV, MS, 1H-NMR and 13C-NMR) and in comparison with the literature data. Both alcohol andmethylene chloride/methanol extracts (1 : 1) exhibited a hepatoprotective effect by CCl4challenge test. KeywordsFlavonoids, Hepatoprotection, Iridoides, Verbascum sinaiticum