Xylo-oligosaccharide(XOS),also known as xylo-oligosaccharides or oligosaccharides,is a class of short chain polymers with prebiotic activity,consisting of 2～7 xyloses connected by β-1,4 glucoside bonds.XOS has the characteristics of low calorific value and strong stability,which makes XOS difficult to be recognized and decomposed by digestive enzymes in the animal intestine,but it can be decomposed and utilized by beneficial bacteria in the intestine.XOS comes from a wide range of sources,has no toxic side effects,and can improve the activity...
