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J Family Community Med. 2009 May;16(2):59-65.

In vivo effect of some home spices extracts on the toxoplasma gondii tachyzoites.

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Biology Department, Science College, King Abdulaziz University, Jeddah, Saudi Arabia.


Toxoplasmosis drugs have the longest history and are still the first choice for most conditions. Alternative drugs such as Co-trimoxazole and Tetracycline have been tried and acclaimed successful. The lack of general acceptance, however, is an indication that the results are not very convincing. A wide range of antibiotics is urgently needed for patients with drug reaction or resistance problems. The anti-toxoplasmic activity of water and ethanol extracts as well as the oil of some home spices (Piper nigrum, Capsicum frutescens, Cinnamomum cassia and Curcuma longa), were evaluated in murine models of intraperitoneal infection using the RH strain of Toxoplasma gondii. Female mice were infected with 2×10(2) tachyzoites/ml, and then treated intraperitoneally with the home spices at 100 and 200 mg/kg/day for seven days. The tested extracts reduced the mean number of tachyzoites present in the peritoneal fluid of the experimental mice. The most effective extract was Curcuma longa ethanol extract which showed a 98.6% and 99.2% inhibition of the growth of Toxoplasma tachyzoites in 100 and 200 doses respectively compared to the control infected untreated mice.


Anti-toxoplasmic activity; Capsicum frutescens; Cinnamomum cassia; Curcuma longa; Home spices; Piper nigrum; RH strain; Toxoplasma gondii


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