alexa The effect of different chemical and physical agents on the viability of Cysticercus bovis: a preliminary report.


Journal of Food Processing & Technology

Author(s): Ghebrekidan H

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Abstract The in vitro comparative effect of 23 chemicals and 5 physical agents on the viability of Cysticerci of Taenia saginata was investigated. Accordingly the effects of Vinegar, "Kosso-Araki", "Senafitch", "Dagim-Araki", "Datta", Gin, Lemon-juice, Cognac, Fernet Whisky, Bitter, Brandy, Kilikil, "Feto", ArakiUzo, Araki-Double Uzo, Vermouth, Metta Beer, Pilsner Beer, "Awazie", "Tella", "Tej", and Sarris Wine Red and White; was assessed on the basis of minimum exposure time (in minutes) required to render viable cysticerci nonevaginable, and was found to be 5, 20, 20, 25, 40, 40, 45, 50, 55, 75, 80, 90, 90, 90, 105, 105, 110 respectively with the remaining showing no deleterious effects on the cysts up to 180 minutes of exposure. Similarly, viable bovine cysticerci were subjected to the physical forces of x-ray radiation, electricity, UV light radiation, centrifugation and vibration, and the effect of the individual agent on the cysts was assessed on the basis of minimum applicable force required to render bovine cysticerci non-evaginable. And it was found that, whereas 500 grays (Gy) of absorbed xray radiation dose and electric current measuring 0.1 mA applied for 1/2 a minute were required to render cysts nonviable. A relative decrease in evagination time and increased viger and motility of the evaginated cysticerci was observed with the other physical forces. On the basis of these results, it is suggested that an attempt to understand the mechanism of action and may be elucidation of the active principle of the more potent agents will be a step forward towards a successful break in the life cycle of the parasite.
This article was published in Ethiop Med J and referenced in Journal of Food Processing & Technology

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