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L(+)-Rhamnose monohydrate

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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
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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
Odor
Odorless
PH Range
7.8 - 8.6
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
InChIKey
BNRKZHXOBMEUGK-FGASXDGJSA-N
CAS DataBase Reference
10030-85-0(CAS DataBase Reference)
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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

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L(+)-Rhamnose monohydrate Usage And Synthesis

Chemical Properties

White crystals or crystalline powder

Uses

Composition of plum leaf polysaccharides.

Uses

L-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.

Uses

L-Rhamnose monohydrate is a deoxy sugar found in plants and bacteria.

Biological Functions

L-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 Description

L-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 Methods

Crystallise 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 Products

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