<i>Lactobacillus kefiranofaciens</i> M1 could not colonize in intestine of germ-free mice.

<p>Four and eight weeks old germ-free mice were single inoculated with live <i>L. kefiranofaciens</i> M1 (M1) intragastrically. The feces were collected after 1, 5, 7, 14, 21 and 28 days after inoculation and numbers of <i>L. kefiranofaciens</i> M1 in feces were counted. (CFU: colony-forming unit; *<i>p</i><0.05, Student's T-test).