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- OpenAccess
Effect of Long-term use of ＂Sida rhombifolia＂ L. Extract on Haemato-biochemical Parameters of Experimental Animals
並列摘要
＂Sida rhombifolia＂ L. is used as a remedy for inflammatory disorde and some other diseases in African folk medicine. The present study was conducted to evaluate the haematological and biochemical parameters and toxic effects of aqueous acetone extracts of ＂Sida rhombifolia L.＂ in mice Swiss and albinos Wistar rats. ＂Sida rhombifolia L.＂ is used as a remedy for inflammatory disorde and some other diseases in African folk medicine. In an acute toxicity study, ＂Sida rhombifolia＂ extract was administered orally at doses ranging between 1-6 g/kg to experimental mice and observed for any toxic symptoms up to 14 days. In sub-acute toxicity, ＂Sida rhombifolia＂ extract was tested at dose levels of 100, 200 and 300 mg/kg on physical (body weight and organ weight), biochemical and haemtological parameters in adult albino rats. The ＂Sida rhombifolia＂ extract was well tolerated at the acute administration. No mortality was observed even at the highest dose of 6 g/kg (the value of LD_(50) is greater than 5000 mg/kg). In the subacute administration, ＂Sida rhombifolia＂ extract significantly (p＜0.05) prevented an increase in body weight in a dose dependent manner and this reflected a significant (p＜0.05) increase in the relative organs (liver and heart) weights. The biochemical parameters showed a significant (p＜0.05) increase in ALT, AST and ALP. However for the other biochemical parameters (glucose, creatinine, urea nitrogen, triglycerides, total bilirubin and direct bilirubin), there is a significant decrease between the control group (10% DMSO) and the other treated groups (p＜0.05 and p＜0.01). The insipient toxicological effect is more significant in the biochemical rather than in the haematopoietic system of rats. There is a significant decrease for monocytes, basophils, haemoglobin, haematocrit and MCV between the control group (10% DMSO) and the treated groups (p＜0.05). At last, one could say that the reported pharmacological and therapeutic effectiveness of ＂Sida rhombifolia＂ extract is not without toxicity implication.
延伸閱讀
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