The Effect of Datura Innoxia Seeds and Leaves Contents on Albino Wister Rats
The aim of the study was to evaluate the toxic effect of Datura innoxia seeds and leaves on experimental rats by determining the elements content of seeds and leaves, the chemical compounds in aqueous and methanolic extracts of seeds and leaves and the chemical compounds in the stomach content of rats. Seeds and leaves were collected from El-Obied, North Kordofan State, Sudan, in October, 2016. The aqueous and methanol extracts were carried out by using maceration method and soxhelt apparatus respectively. Sixty five male albino wister rats, three months old and with an average body weight ranged 110-120 g, were randomly divided into thirteen groups, consisting of five rats in each group. Group 1 served as control and fed with normal rats food and water for thirty days. Groups 2, 6 and 10 administered aqueous seeds extract, groups 4, 8 and 12 received methanol seeds extract, groups 3, 7 and 11 received aqueous leaves extracts, groups 5, 9 and 13 received methanol leaves extract, all the groups received the same type of extract were administered 40, 60 and 80 mg/kg body weight respectively. The extracts administered to the rats intra gastrically using cathodal tube daily for thirty days. The elements in the leaves and seeds (K, Ca, S, Si, Cl, Fe, Al, P, Mg, Ti, Mn, Zn, Sr, Cu, V, Br and Zr) were determined by energy-dispersive X-ray fluorescence (EDXRF) spectroscopy. K content was the highest in seeds (5.469 ± 0.021%), Ca and S the highest in leaves (2.461 ± 0.019%, 1.254 ± 0.022 % respectively). The elements Ti, Mn, Sr, V, Br and Zr were detected in the leaves with range concentration 0.062-0.002%. The elements Si, Cl, Fe, Al, P, Mg and Zn concentration in seeds varied from 0.002 to 0.942% and in leaves varied from 0.014 to 0.346%. The concentration of these elements did not exceed the standard dangerous toxic levels. The effects of oral administration of leaves and seeds extracts to 60 healthy rats over 30 days were evaluated by monitoring the chemical changes of stomach contents. The analysis by gas chromatography-mass spectrometry (GC-MS) of aqueous and methanolic extracts revealed the presence of alkaloids (scopolamine, atropine and hyoscyamine), fatty acids, esters, amides, amino acids, ketones, coummarins, terpinoids, phenols, alcohols and hydrocarbons compounds. New compounds appeared in the stomach contents in the treated groups and this suggest that some compounds were metabolized and circulated in the body after the oral administration of leaves and seeds extract. The study concluded that the toxicity of seeds and leaves (methanolic and aqueous) extracts are nearly have the same toxic effects on rats due to their same active ingredients (alkaloids) and the oral administration of the extracts was found to be safe up to 40 mg/kg.