Property: colorless and white column crystal, crystal powder. Light taste. Easily dissolved in water and not dissolved in ethanol. Natural goods are in vernal grass and lactoprotein.
Physical and chemical index
Content (silica gel dried after 5h) ?Y% 98
5 % aqueous solution P value 6.0-7.5
Heavy metal ( GT-16-2 by b ) 20ug/g
Specific Rotation [a]D2 +18.00-+21.00
Chloride (by c1) ?ü 0.041
As (by ASO, GT-3) ?ü 4.0ug/g
Dry weightlessness (GT-19) ?ü% 0.3