In Vitro antiparasitic activity of camel milk against Blastocystis sp.


R Bakri1
1 Umm-Al- Qura University , Saudi Arabia


Blastocystis sp. is an enteric protozoa infecting humans as well as many animals. It is considered as a parasitic organism even though its pathogenic potential continues to be debatable. Anti-pathogenic properties of milk from different animals have been already reported in-vitro and in-vivo. We investigated in-vitro anti-protozoal activity of camel, cow, and goat milks against three Blastocystis sp. strains isolated from symptomatic patients, identified as subtype ST3 by PCR using SSUrDNA sequence-tagged-site primers. A significant in vitro killing effect was obtained with camel milk at minimal concentration of 62.5┬Ál/2ml culture media compared to cow milk (P>0.007) and goat milk (P>0.002). Both, cow and goat raw milk did not show a noticeable in-vitro killing effect at the highest dose of 500ul/2ml. In vitro antiprotozoal propriety of camel milk against Blastocystis sp. ST3 strains observed in this study opens a promising perspective for its use for the control of this wide spread gastrointestinal parasite both in humans and livestock. Further investigations are needed to explore most effective antiprotozoal components of camel milk.

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