Levan

Names

[ Name ]:
Levan

[Synonym ]:
LEVAN
MFCD00131502
(2R,3S,4S,5R)-5-[[(2R,3S,4S,5R)-5-[[(2R,3S,4S,5R)-3,4-dihydroxy-2,5-bis(hydroxymethyl)oxolan-2-yl]oxymethyl]-3,4-dihydroxy-2-(hydroxymethyl)oxolan-2-yl]oxymethyl]-2-(hydroxymethyl)oxolane-2,3,4-triol
(2->6)-beta-D-fructan
(2R,3S,4S,5S)-5-{[(2S,3S,4S,5R)-5-({[(2R,3S,4S,5R)-3,4-Dihydroxy-2,5-bis(hydroxymethyl)tetrahydro-2-furanyl]oxy}methyl)-3,4-dihydroxy-2-(hydroxymethyl)tetrahydro-2-furanyl]methoxy}-2-(hydroxymethyl)tetrahydro-2,3,4-furantriol
(2-&0UB

Chemical & Physical Properties

[ Density]:
1.8±0.1 g/cm3

[ Boiling Point ]:
910.4±65.0 °C at 760 mmHg

[ Molecular Formula ]:
C₁₈H₃₂O₁₆

[ Molecular Weight ]:
504.437

[ Flash Point ]:
504.4±34.3 °C

[ Exact Mass ]:
504.169037

[ PSA ]:
268.68000

[ LogP ]:
-1.42

[ Vapour Pressure ]:
0.0±0.6 mmHg at 25°C

[ Index of Refraction ]:
1.682

[ Storage condition ]:
2-8°C

[ Water Solubility ]:
H2O: 10 mg/mL, hazy, faintly yellow

MSDS

Click to get detail MSDS

Safety Information

[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ Hazard Codes ]:
Xn

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

Articles

Genomic and physiological variability within Group II (non-proteolytic) Clostridium botulinum.

BMC Genomics 14 , 333, (2013)

Clostridium botulinum is a group of four physiologically and phylogenetically distinct bacteria that produce botulinum neurotoxin. While studies have characterised variability between strains of Group...

Effect of levan supplement in orange juice on weight, gastrointestinal symptoms and metabolic profile of healthy subjects: results of an 8-week clinical trial.

Nutrients 4(7) , 638-47, (2012)

Levan is a commonly used dietary fiber of the fructans group. Its impact on health remains undetermined. This double blind controlled study aimed to investigate the effect of 8 weeks' daily consumptio...

Partial purification of a Bacillus licheniformis levansucrase producing levan with antitumor activity

Int. J. Biol. Macromol. 51(3) , 329-35, (2012)

The extracellular fructosyltransferase (FTase) of a novel strain of Bacillus licheniformis capable of producing fructooligosaccharides (FOS) and a polysaccharide type levan was obtained and partially ...