Xylooligosaccharide, also known as xylooligosaccharide, is a functional polysaccharide composed of two to seven xylose molecules with β - 1,4 glycosidic bond. After years of research and experiments by many domestic and foreign experts, Functional oligosaccharides have become an important functional food ingredient because of their unique physiological functions,
which has attracted wide attention all over the world. Xylooligosaccharide has a strong effect on Bifidobacterium proliferation.