a bacterial strain of human origin belonging to the species bifidobacterium animalis identified as pta - 9175 which produces between 120 ng / ml to 398 ng / ml of folic acid and which can be used as a probiotic in food compositions . the bifidobacterium animalis strain is deposited with the american type culture collection in the united states of america , under the budapest treaty , dated on apr . 23 , 2008 , and respectively identified with the atcc deposit designation number for patent as pta - 9175 .