XOS oligosaccharides known as wood traits: crystal colorless to pale brown liquid or solid white. Pale yellow viscous syrup-like liquid. Approximately 40% relative sweetness, the same sweetness of sucrose. Heat, acid (Ph2.5-8.0,120 ℃, 1h), without damage, under Ph2.5-8.0 and 37 ℃ in storage 90 days without any change. The large number of experimental results show that the large population of bifidobacteria can play a role in cancer in the intestine. This anti-cancer effects attributed to bifidobacteria cells, cell wall composition and extracellular secretion that increase immunity. 9, can cause the body to produce a variety of nutrients, including vitamins B1, B2, B6, B12, niacin and folic acid. Application: can be used for table food, cake food, condiments, desserts, snacks, all kinds of canned food, candy. A variety of drinks, especially yogurt, lactobacillus drinks, carbonated drinks and other acidic beverages.