Pathogenic bacterial infections have become a major health problem worldwide. New antimicrobial agents are urgently needed to overcome this problem. In this study, antibacterial activity of Nigella sativa seed extract against some pathogenic bacterial strains (Streptococcus pyogene, Pseudomonas aeruginosa, klebseilla pneumoniae and Proteus vulgaris) was evaluated. Methanol extract at the concen...

Nigella sativa (NS) seeds have been used for medicinal purposes for centuries both as herbs and its oil. In Islam it is regarded as one of the greatest forms of healing medicine included in the medicine of prophet Mohammed. Huge number of studies have been carried out in recent years on the pharmacological effects of these seeds and also the possible relationship with their constituents. A numb...

Nigella sativa has been used traditionally as spice, carminative, condiment, aromatic, stimulant, diuretic, stomachic, liver tonic and digestive. The rate at which the bacterial strains are becoming resistant to the available antibiotics has necessitated the demands for a renewed effort to investigate for new antimicrobial agents. Nigella sativa seed, in various germinating stages, was studied ...

OBJECTIVE Nigella sativa extract has been used in the Middle East as a traditional medicine for several complaints. We aimed to evaluate the biochemical, histopathological and hematologic changes in Toxocara canis-infected mice after treatment with Nigella sativa extract, albendazole or a combination of both. METHODS This comparative study was conducted between June and July 2008 at the Itarr...

The objective of this study was to compare the oil extraction yield and essential oil composition of Indian and Iranian Nigella sativa L. extracted by using Supercritical Fluid Extraction (SFE) and solvent extraction methods. In this study, a gas chromatography equipped with a mass spectrophotometer detector was employed for qualitative analysis of the essential oil composition of Indian and Ir...

Effects of Nigella sativa Allelochemical Substances on Growth-Inhibiting Flixweed Compared With Wheat (Triticum aestivum)

Nigella sativa (black seed) is an important medicinal herb. In many Arabian, Asian and African countries, black seed oil is used as a natural remedy for a wide range of diseases, including various allergies. The plant's mechanism of action is still largely unknown. Due to the lack of study data on its efficacy in allergies, four studies on the clinical efficacy of Nigella sativa in allergic dis...

BACKGROUND In previous studies, the relaxant, anticholinergic (functional antagonism) and antihistaminic effects of Nigella sativa have been demonstrated on guinea pig tracheal chains. To elucidate the other mechanisms responsible for the relaxant effect of this plant, its inhibitory effect on the calcium channel was examined in this study. RESULTS The inhibitory effects of both concentration...

objective: oxidative stress plays an important role in the etiology of diabetic complications. diabetes impairs hippocampus neurogenesis, synaptic plasticity, and learning. the aim of this study was to investigate the effects of hydroalcoholic extract of nigella sativa seed on oxidative stress in stz-induced diabetic rats' hippocampus. materials and methods: diabetes induced by 60 mg/kg st...

in order to evaluation the effect of nigella sativa supplementation on performance, immune response and some of blood parameters, a total of 192 one day old ross 308 broilers were used in a completely randomize design with four treatments, four replicates and 12 observations in each replicate. treatments included the increasing levels of zero (control), 0.4, 0.8 and 1.2 percent nigella sativa. ...