What is xylooligosaccharides

Xylooligosaccharides, also known as xos oligosaccharide (CAS:87 99 0), are functional polymeric sugars formed by combining 2-7 xylose molecules with β-1,4 glycosidic bonds, and are an important member of the family of functional oligosaccharides. According to the definitions of the European Union and the European Food Safety Authority, xylooligosaccharide is a kind of soluble dietary fiber in a broad sense. Thus, we can clearly see that one of xylooligosaccharide foods' benefits is its effect on weight loss. So, it is certain that xylooligosaccharide is good for you!

Saigao Nutri Xylo-oligosaccharide


Xylo-oligosaccharide (XOS)powder, is formed by connecting 2-7 xylose molecules with the β-1,4 glucosidic bond. This xylooligosaccharide can selectively promote the proliferation activity of intestinal bifidobacteria.


XOS Syrup can selectively promote the proliferation activity of intestinal bifidobacteria, which balances the microecological environment in humans' intestinal tract.

Xylooligosaccharide Benefits

Xylooligosaccharide Benefits

Protect the Liver

Intake of xylo-oligosaccharides can reduce the formation of toxic metabolites and greatly reduce the burden on the liver to decompose toxins. The xos oligosaccharide can also promote the body to produce a variety of nutrients, including vitamins B1, B2, B6, B12, niacin, and folic acid, which is beneficial to the liver and other body organs.

Xylooligosaccharide Benefits

Lower Serum Cholesterol

Ingestion of xylooligosaccharides for 2 weeks to 3 months can reduce total serum cholesterol by 20-50dl. Xylooligosaccharides supplementcan also increase the ratio of multi-density lipoprotein cholesterol to total cholesterol in women's serum.

Xylooligosaccharide Benefits

Lower Blood Pressure and Enhance Immunity

The level of human diastolic blood pressure is obviously negatively correlated with the ratio of bifidobacteria in the feces to the total number of bacteria. And the anti-cancer effects of xos oligosaccharide is attributed to the cells, cell wall components, and extracellular secretions of bifidobacteria, which improves the body's immunity.

Xylooligosaccharide Benefits

Good Compatibility

When xylo-oligosaccharide and calcium are ingested at the same time, it will not affect the body's absorption of calcium, but can promote the effect. The test results show that the body's retention of Ca after 7 days of arbitrary intake of 2% xylo-oligosaccharide aqueous solution, the rate has increased by 21%.

Is Xylooligosaccharide Safe?

Xylo-oligosaccharide is a kind of functional oligosaccharide that widely exists in nature, with no toxic side effects and stable chemical properties. In addition to the general properties of oligosaccharides, the xylooligosaccharides also have unique physical and chemical properties and biological activities. While most people are concerned about its effectiveness, more attention should be paid to its safety.

Saigo Nutri has already used our xylooligosaccharides as test samples to conduct genetic toxicology test analysis, and preliminarily evaluate the mutagenic and carcinogenic effects of xylooligosaccharides products. We have in total conducted the following 4 tests:

- Ames test

- Mouse sperm deformity test

- Chromosomal abnormality test in mouse testis

- Mouse bone marrow polychromatic erythrocyte micronucleus test

All four genetic toxicity tests were negative, that is, xylooligosaccharide has no carcinogenic and teratogenic effects on animals. The multiple safety data we obtained in the above tests provide a safe basis for the use of xylooligosaccharides supplement.

Xylooligosaccharides Vs Inulin


Both inulin and xylo-oligosaccharides belong to the prebiotic category.

The dry product of inulin is a white amorphous, easily hygroscopic powder, without any bad smell, with good high temperature resistance, excipient, non-coloring, water retention and stability. The specific properties depend on the degree of polymerization. It is easily soluble in water, and its water activity is similar to that of sucrose. It has the functions of lowering blood pressure, lowering lipids, and purifying blood; resisting dental caries; proliferating bifidobacteria, regulating the balance of intestinal flora; enhancing human immunity and reducing the risk of colon cancer; absorption enhancer of mineral elements; feed additives and beauty, etc.

Xylo-oligosaccharide (XOS)

Xylo-oligosaccharide (XOS)is a functional polysaccharide, formed by connecting 2-7 xylose molecules with β-1,4 glucosidic bond. The main components are Xylobiose, Xylotriose and Xylotetraose. Compared with others commonly used by people. It has unique advantages can selectively promote the proliferation activity of intestinal bifidobacteria. Its function of bifidogenic factor is 10-20 times higher than that of other polysaccharides. It is recognized as s super prebiotics bifidogenic factor and a healthy food to balance the microecological environment in human intestinal tract.

Xylo-oligosaccharides also have many characteristics such as heat resistance, acid resistance, and water activity reduction, and can be widely used in the food industry, medicine and health products, and feed additives.

It has functions of prevent constipation.

Inhibit the reproduction of pathogenic bacteria,reduce diarrhea.

Promote the synthesis and absorption of nutrients.

Lower blood glucose,lipid level and blood pressure, lower cholesterol.

Strengthen immunity, prevent cancer.

Protect liver function.

Compatibility with Chinese herbal medicine, the pharmacological effects of Chinese herbal medicine can play a full role and the effectiveness increase a lot.

Xylooligosaccharides Side Effects

Experiments have proved that xylooligosaccharides supplement has no side effects. A small number of patients who suffer from constipation due to lack of intestinal motility and intestinal motility are often accompanied by mild abdominal pain and diarrhea when they first take xylooligosaccharide supplement. This is an increase in intestinal motility to improve intestinal motility. If you continue to take xylooligosaccharides, the abdominal pain will disappear naturally, constipation will be improved, and the symptoms of abdominal pain will no longer occur.

What Foods Contain Xylooligosaccharides?

There is something called xylan in the cell wall of plants, which is extracted by high-pressure cooking or steam treatment, and then degraded with xylanase extracted from bacteria to obtain xylan oligosaccharides. Many plant raw materials can be used to produce xylooligosaccharide supplement, xylooligosaccharides food sources can be corn cobs, bagasse, cottonseed husks, wheat bran, wheat stalks, straw, rice husks, bark, etc., which can be said to be the treasure of waste.

At present, xylooligosaccharide supplement is a new food material approved by the state, and it can be used except infant food, and the daily consumption is no more than 3 grams. However, xos oligosaccharide used in food must be made of wheat straw and corn cobs.

For more information about fos fructooligosaccharides, please feel free to contact us!

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