1- O -methyl galactose

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Structural formula
1-O-methyl galactose
General
Surname 1-O-methyl galactose
Molecular formula C 7 H 14 O 6
Brief description

odorless white solid

External identifiers / databases
CAS number
  • 3396-99-4 (α-shape)
  • 1824-94-8 (β-form)
EC number 217-361-7
ECHA InfoCard 100,015,783
PubChem 94214
ChemSpider 85024
DrugBank DB04046
Wikidata Q27094900
properties
Molar mass 194.18 g mol −1
Physical state

firmly

Melting point

175-179 ° C

solubility

soluble in water and methanol

safety instructions
GHS labeling of hazardous substances
no GHS pictograms
H and P phrases H: no H-phrases
P: no P-phrases
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

1- O -Methylgalactose is a monosaccharide and thus a representative of the carbohydrates .

1- O -methyl galactose comes in two forms, α and β. Of course, it is produced in the large-fruited cranberries . Presumably it is involved in the inhibition of the colonization of the urinary tract by Escherichia coli, which causes bladder infections, after ingestion of cranberry juice .

Individual evidence

  1. ↑ a b c d data sheet methyl beta-D-galactopyranoside from AlfaAesar, accessed on February 23, 2019 ( PDF )(JavaScript required) .
  2. ↑ a b Data sheet methyl-α-D-galactopyranoside, from Sigma-Aldrich , accessed on February 26, 2019 ( PDF ).
  3. ↑ Data sheet methyl-β-D-galactopyranoside, from Sigma-Aldrich , accessed on February 26, 2019 ( PDF ).
  4. ^ A b A. Turner, SN Chen, MK Joike, SL Pendland, GF Pauli, NR Farnsworth: Inhibition of uropathogenic Escherichia coli by cranberry juice: a new antiadherence assay. In: Journal of agricultural and food chemistry. Volume 53, Number 23, November 2005, pp. 8940-8947, doi : 10.1021 / jf052035u , PMID 16277386 .
  5. ↑ E. Pappas, KM Schaich: Phytochemicals of cranberries and cranberry products: characterization, potential health effects, and processing stability. In: Critical reviews in food science and nutrition. Volume 49, Number 9, October 2009, pp. 741-781, doi : 10.1080 / 10408390802145377 , PMID 20443158 .