Date published: 2025-9-27

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Galactan (CAS 39300-87-3)

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CAS Number:
39300-87-3
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Galactan is a polysaccharide abundantly present in various plant sources, including seaweeds, fungi, and bacteria. This naturally occurring compound finds its applications in both industrial and medical fields. Notably, galactan stands out due to its remarkable solubility in water, low viscosity, and extensive branching. Extensive research has been conducted to explore galactan′s potential as an anti-inflammatory agent, emulsifier, and adjuvant in vaccine formulations. Regarding its anti-inflammatory properties, galactan has undergone comprehensive investigations that demonstrate its ability to mitigate inflammation in animals. This has led to its exploration as a potential treatment for inflammatory conditions, such as rheumatoid arthritis. Additionally, galactan has garnered attention for its emulsifying properties, showcasing its capacity to stabilize emulsions and enhance the shelf life of food products. Furthermore, galactan has been extensively studied as an adjuvant in vaccine formulations. Its inclusion in vaccines has shown promise in augmenting vaccine efficacy while reducing the required antigen dosage. Although the exact mechanism of galactan′s action remains partially understood, it is believed to interact with cell membranes, inducing structural modifications that facilitate the uptake of other molecules. This interaction leads to increased permeability of cell membranes, allowing for enhanced absorption of nutrients, hormones, and pharmaceutical substances. Additionally, galactan has demonstrated the ability to stimulate specific enzyme activity, which can elicit diverse effects on cellular metabolism.


Galactan (CAS 39300-87-3) References

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  2. Conformation and mobility of the arabinan and galactan side-chains of pectin.  |  Ha, MA., et al. 2005. Phytochemistry. 66: 1817-24. PMID: 16019042
  3. Exploring the ultrastructural localization and biosynthesis of beta(1,4)-galactan in Pinus radiata compression wood.  |  Mast, SW., et al. 2009. Plant Physiol. 150: 573-83. PMID: 19346442
  4. Production and characterisation of potato patatin-galactose, galactooligosaccharides, and galactan conjugates of great potential as functional ingredients.  |  Seo, S., et al. 2014. Food Chem. 158: 480-9. PMID: 24731373
  5. Binding of arabinan or galactan during cellulose synthesis is extensive and reversible.  |  Lin, D., et al. 2015. Carbohydr Polym. 126: 108-21. PMID: 25933529
  6. Arabinan and Galactan Oligosaccharide Profiling by High-Performance Anion-Exchange Chromatography with Pulsed Amperometric Detection (HPAEC-PAD).  |  Wefers, D. and Bunzel, M. 2016. J Agric Food Chem. 64: 4656-64. PMID: 27167141
  7. Chemical Insight into the Mechanism and Specificity of GlfT2, a Bifunctional Galactofuranosyltransferase from Mycobacteria.  |  Poulin, MB. and Lowary, TL. 2016. J Org Chem. 81: 8123-30. PMID: 27557056
  8. NMR Spectroscopic Profiling of Arabinan and Galactan Structural Elements.  |  Wefers, D. and Bunzel, M. 2016. J Agric Food Chem. 64: 9559-9568. PMID: 27936685
  9. Comparing Galactan Biosynthesis in Mycobacterium tuberculosis and Corynebacterium diphtheriae.  |  Wesener, DA., et al. 2017. J Biol Chem. 292: 2944-2955. PMID: 28039359
  10. Gelation of rhamnogalacturonan I is based on galactan side chain interaction and does not involve chemical modifications.  |  Mikshina, PV., et al. 2017. Carbohydr Polym. 171: 143-151. PMID: 28578948
  11. Polysaccharide Galactan Inhibits Pseudomonas aeruginosa Biofilm Formation but Protects Pre-formed Biofilms from Antibiotics.  |  Grishin, AV. and Karyagina, AS. 2019. Biochemistry (Mosc). 84: 509-519. PMID: 31234765
  12. Preferential growth stimulation of probiotic bacteria by galactan exopolysaccharide from Weissella confusa KR780676.  |  Devi, PB., et al. 2021. Food Res Int. 143: 110333. PMID: 33992335
  13. Structures of fructan and galactan from Polygonatum cyrtonema and their utilization by probiotic bacteria.  |  Zhang, J., et al. 2021. Carbohydr Polym. 267: 118219. PMID: 34119173
  14. Oxidative stress alleviating potential of galactan exopolysaccharide from Weissella confusa KR780676 in yeast model system.  |  Kavitake, D., et al. 2022. Sci Rep. 12: 1089. PMID: 35058551
  15. Structure of a galactan from cell walls of Bifidobacterium catenulatum YIT4016.  |  Nagaoka, M., et al. 1996. Carbohydr Res. 281: 285-91. PMID: 8721149

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Galactan, 2 g

sc-285853
2 g
$903.00