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Int J Food Microbiol. 1992 Mar-Apr;15(3-4):357-63.

Infectivity of Toxoplasma gondii in mutton following curing, smoking, freezing or microwave cooking.

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1
Department of Cattle and Sheep Diseases, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala.

Abstract

To investigate the effects of curing with sodium chloride and sucrose, low temperature smoking, freezing at -20 degrees C, and cooking in a microwave oven, respectively, on the infectivity of Toxoplasma gondii encysted in mutton, meat from three experimentally and one naturally infected sheep was used. Samples of meat prepared accordingly as well as untreated, raw meat from each animal were assayed by mouse inoculation. Infective T. gondii was isolated from untreated samples from all animals used, but in no case from cured, smoked or frozen meat. However, in two of four steaks processed in a microwave oven, according to a standard household recipe, the parasite remained infective, possibly due to uneven heating of the meat.

PMID:
1419541
[Indexed for MEDLINE]

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