فهرست مطالب najam ali khan
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Isothiocyanates (ITCs) are naturally occurring molecules belonging to highly reactive organosulphur synthons, with the general structure R–N=C=S. The precursor molecule glucosinolate anions are hydrolyzed enzymatically (under the effect of myrosinase enzymes) or unenzymatically to produce nitriles or isothiocyanates depending upon conditions such as pH and temperature. Brassicaceae Family is known to contain abundant ITCs. A significant number of isothiocyanates has been isolated from different plant sources and some of them have been synthesized. Several isothiocyanates have demonstrated significant pharmacological activities including anti-cancer, anti-inflammatory, anti-microbial activities, etc. Pharmacokinetic profiles of these sulphur containing compounds are well established. However, safety profiles of ITCs need consideration and a well-designed study with appropriate control, for their production as lead compounds. This review summarises the chemistry, sources, pharmacokinetics, pharmacological activity and toxicity profiles of the isothiocyanates.
Keywords: Brassicaceae, Cruciferous vegetables, isothiocyanates, pharmacokinetics, pharmacological activity} -
IntroductionIn our modern era, life style of human being changes and updates every day that may affect their health status. There is an incredible expectation that natural origin drugs lack undesirable effects not like synthetic drugs, though have the same potency and efficacy. No scientific data is available about the antianxiety properties of Delphinium denudatum root and Amaranthus spinosus leaves. In this regard, the present study was designed to carry out comparative and combined study on antianxiety properties of Delphinium denudatum root and Amaranthus spinosus leaves.MethodsDelphinium denudatum root and Amaranthus spinosus leaves were defatted with petroleum ether, and then extracted with hydroalcoholic solvent by soxhlation process. The hydroalcoholic extract of both drugs singly and in combination were evaluated for their anxiolytic effects on Wistar albino rats in doses of 200 and 400 mg/kg using different anti-anxiety tests like Elevated Plus Maze, Staircase, Actophotometer, and Light and Dark tests.ResultsBoth hydroalcoholic extracts possessed flavonoids, alkaloids, saponins, tannins, carbohydrates, proteins, amino acids, carbohydrates, steroids, sterols, etc. In the dose dependent manner, both the hydroalcoholic extracts produced good anxiolytic activity. The best result was obtained by a combination of them in higher dose.ConclusionHydroalcoholic extracts of Delphinium denudatum root and Amaranthus spinosus leaves and their combination may act as a potent anxiolytic agents in rats. Amaranthus spinosus was found to be more effective than Delphinium denudatum.Keywords: Antianxiety activity, Delphinium denudatum, Amaranthus spinosus, Flavonoids, Alkaloids}
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