Objective To study the effect of xylo-oligosaccharide(XOS)added in diet on intestinal mucous membrane barrier in stress rats caused by electricity-restraint stress. Methods Forty Wistar rats were evenly randomized to four groups as:normal control group(group A),XOS group(group B),stress group(group C),and XOS+stress group(group D).The rats in group A were given only general diet;those in group B were given intragastric administration of 2g/kg XOS,daily,on the basis of general diet;those in group C,general d...