Polysaccharide is a ketose aldose or linked through glycoside chain polymers, are a class of widely distributed in higher plants, fungi, algae, bacteria and animal cell membranes of biological macromolecules, constitute the four basic substances of life one. So far, from natural products have been isolated from hundreds of polysaccharide compounds, including herbal source of most water-soluble polysaccharide.Polysaccharide is not only the main structural components of living organisms, but also has a complex biological activity and function. Modern research shows that Chinese Herbs can activate macrophages, T and B cells, complement system, NK cells and anti-tumor, antiviral, Hypoglycemic effect of such activity. Many tonic herbs, such as ginseng, which contains polysaccharides have been shown to stimulate the immune regulation.
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