Objective:To identify and identify the miscellaneous sugars in Astragalus polysaccharide extract and various polysaccharides,such as glucose,sucrose,fructose,Arabia sugar,rhamnose,maltose and lactose,which may be artificially added.Preliminary study on biological activity of Astragalus Polysaccharide extract.Methods:The method of TLC,liquid chromatography and spleen index were used to identify the saccharide of Astragalus polysaccharide extract and the biological activity test.Results:The results of two kinds of carbohydrate test showed that...