L-Rhamnose

Rhamnose, 6-deoxy-L-mannose, exists widely in polysaccharide, glycoside, plant gum and the bacterial polysaccharides in plant. It is derivatives of Mannose which hydroxy at 6th bit is substituted by hydrogen, namely 6- deoxy -L- mannose, the naturally distributed product is L type.

It is also called methyl pentose. The sugar chain structure always come to be antigen specific factor. It exists in the leaves and flowers of Rhus in free sugar form or in the form of composition sugar of polysaccharide, such as Rutin and Arabiagum.

Qualification：Art. No. ACJ0049A

Items	Inspection criterion	Result
Appearance	White crystals or crystalline powder	White crystalline powder
Specific rotation[a]	+7.5°～+9.0°	+8.2°
Melting point	90℃～95℃	90.7℃～91.9℃
Heavy metals(Pb)	≤10ppm	＜10ppm
Loss on drying	≤10.5%	9.12%
Residue on ignition	≤0.4%	0.05%
Assay (HPLC)	≥98.0%	98.8%

Package：25kg/barrel

Its sweetness is 33%of sucrose, it can be used for the determination of intestinal permeability, it can be used as sweeteners, it also can be used in the production of flavor spices.

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