L-鼠李糖

Product Name

 L-rhamnose monohydrate

Latin name

Sophorae Japonica

CAS

3615-41-6/10030-85-0

Form

White-crystal or white-crystal-powder

Variety

Sophora

Grade

Pharmaceutical grade

Synonym

α-L-Rhamnopyranose, 6-Dexoxy-D-mannose, 6-Deoxy-L-mannose, Isodulcite, L-Mannomethylose, D-Rhamnose, L-Rhamnose

Specification

0.98

Type

Herbal Extract and botanical extract

Chemical Name

4H-1-Benzopyran-4-one,2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-Flavone

Molecular Formula

C6H12O5

Molecular Weight

164.16

Test method

UV /HPLC

Shelf life

Two years under well storage situation

Storage

Stored in a clean, cool, dry area; keep away from strong, direct light.

Packaging Detail

Generally 25kg/fiber drum with double plastic bag. 1kg or 5kg/aluminum foil bag, or as per your request

 

 

 

 

 

 

Physical Property

Appearance

White-crystal or white-crystal-powder

Characters

sweet taste, occurring as pyran in water solution

Optical Rotation

.－7.7°→＋8.9°, soluble in water and ethano.

Melting Point

82-92℃

Solubility

 soluble in water and methanol, slightly soluble in ethanol, shows in two types: α & β. Type α contains a molecular water of crystallization, it will transform into type β (M.W.: 164.16) after dehydration by heating. Type β with hygroscopic character, it will transform into type α after moisture absorption in the air. Usually presents as α-L-rhamnose (M.W.:182.11). Generally, α-L-rhamnose is a monohydrated