L(+)-Rhamnose monohydrate

L(+)-Rhamnose monohydrate Basic information
Product Name:L(+)-Rhamnose monohydrate
Synonyms:RHAMNOSE, L-(+)-;ISODULCIT;ISODULCIT MONOHYDRATE;L-RHA H2O;L-(+)-RHAMMNOSE MONOHYDRATE;L-(+)-RHAMNOPYRANOSE, MONOHYDRATE;L-(+)-RHAMNOSE;L-(+)-RHAMNOSE HYDRATE
CAS:10030-85-0
MF:C6H14O6
MW:182.17
EINECS:600-058-2
Product Categories:carbohydrate;Inhibitors;pharmaceutical intermediate;phytochemical;reference standards from Chinese medicinal herbs (TCM).;standardized herbal extract;Carbohydrates;Carbohydrates & Derivatives;chemical reagent;Glycon Biochem
Mol File:10030-85-0.mol
L(+)-Rhamnose monohydrate Structure
L(+)-Rhamnose monohydrate Chemical Properties
Melting point 90-95 °C(lit.)
alpha 8.2 º (c=4.5,H2O)
density 1.47
storage temp. Inert atmosphere,Room Temperature
solubility H2O: 0.1 g/mL, clear, colorless
form Crystals or Crystalline Powder
color White
PH Range7.8 - 8.6
OdorOdorless
optical activity[α]20/D +8±0.5°, 2 hr, c = 5% in H2O
Water Solubility 300 g/L (20 ºC)
Merck 14,8172
BRN 5988592
Stability:Stable at RT
InChIKeyBNRKZHXOBMEUGK-FGASXDGJSA-N
CAS DataBase Reference10030-85-0(CAS DataBase Reference)
Safety Information
Hazard Codes Xi
Risk Statements 36/38
Safety Statements 24/25-37/39-26
WGK Germany 3
3
TSCA Yes
HS Code 29400010
MSDS Information
ProviderLanguage
6-Deoxy-L(+)-mannose English
ACROS English
ALFA English
L(+)-Rhamnose monohydrate Usage And Synthesis
Chemical PropertiesWhite crystals or crystalline powder
UsesComposition of plum leaf polysaccharides.
UsesL-Rhamnose monohydrate is a deoxy sugar in plants and bacteria. It is a component of plant cell walls that helps maintain structure. L-Rhamnose monohydrate is used as a starting material for the production of furanones. It is an important material involved in the reaction of flavors developed during the preparation of various foods like bread, grilled meats, etc.
UsesL-Rhamnose monohydrate is a deoxy sugar found in plants and bacteria.
Biological FunctionsL-Rhamnose is a part of plant cell wall polysaccharides, rhamnogalacturonan I and rhamnogalacturonan.It is also present in bacterial cell walland a major antigenic determinant contributing to its pathogenicity.L-rhamnose is non-absorbable in humans but is fermented by intestinal microbes. Supplementation of L-rhamnose slows down gastric emptying. L-rhamnose monosaccharide conjugated immunogens have applications in cancer immunotherapies. Intake of L-rhamnose elevates serum propionate levels.
L-Rhamnose monohydrate has been used:
in biofilm enhancement assay in S.pneumonia.
as a sugar drink in humans undergoing intestinal barrier permeability test.
for the standard curve generation in high performance liquid chromatography(HPLC).



General DescriptionL-Rhamnose is a part of plant cell wall polysaccharides, rhamnogalacturonan I and rhamnogalacturonan. It is also present in bacterial cell walland a major antigenic determinant contributing to its pathogenicity. L-rhamnose is non-absorbable in humans but is fermented by intestinal microbes. Supplementation of L-rhamnose slows down gastric emptying. L-rhamnose monosaccharide conjugated immunogens have applications in cancer immunotherapies. Intake of L-rhamnose elevates serum propionate levels.
Purification MethodsCrystallise the rhamnose from H2O or EtOH. It crystallises easily as the monohydrate by evaporating a solution in MeOH (90%) and H2O (10%). It is also purified by dissolving in a small volume of EtOH, adding a few drops of H2O and cooling. 1H NMR in D2O at 44o contains 60% -pyranose and 40% -pyranose forms [Angyal Adv Carbohydr Chem 42 15 1984.] [Smith J Chem Soc 1035 1940, McGeachin & Beevers Acta Cryst 10 227,230 197, Beilstein 1 IV 4261.]
L(+)-Rhamnose monohydrate Preparation Products And Raw materials
Preparation Products5-Methyl furfural-->METHYL ALPHA-L-RHAMNOPYRANOSIDE
Isosorbide D-Mannose Isomalt MELIBIOSE 1,3,4,6-Tetra-O-acetyl-β-D-mannopyranose L(+)-Rhamnose monohydrate 7-METHYL-1-OCTANOL 1,2,3,4-TETRA-O-ACETYL-6-DIPHENYLPHOSPHORYL-BETA-D-MANNOPYRANOSE phenyl alpha-D-mannopyranoside METHYL 6-O-(ALPHA-D-MANNOPYRANOSYL)-ALPHA-D-MANNOPYRANOSIDE MANNOSE METHYL-2,3,4,6-TETRA-O-ACETYL-ALPHA-D-MANNOPYRANOSIDE 6-O-ALPHA-D-GLUCOPYRANOSYL-D-GLUCITOL MANNOSE-6-PHOSPHATE BARIUM SALT Isophytol Isodecanol alpha-L-Rhamnose α-L-Rhamnopyranose monohydrate

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