جداسازي ، شناسايي و بررسي چگونگي توزيع نژادهاي بيفيد و باكتريوم در برخي از افراد ايراني

Isolation, identification and distribution of Biftdobacterium spp. in some Iranian subjects

The aim of the present work was to isolate and to determine the distribution of Biftdobacterium spp. in Iranian subjects. Fecal samples were collected from 90 subjects in four age groups. Bifid obacterium spp. was isolated from 70% of fecal samples. 50 strains of Biftdobacterium were isolated and characterized on the basis of morphological, biochemical and enzymatic tests. 62, 22, and 2% of the isolated strains were Blowgun, B.bifidum and B.catenulatum, respectively. 14% of the isolated strains were not resemblance with the strains which identified by now. This study showed that B. longum and B. bifidum are the commonest Biftdobacterium in the Iranian subjects. Therefore, can be suggested as proper strains to be used in bifidus probiotic products in Iran.