Over het archief
Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.
Dit archief wordt uitgebouwd en beheerd volgens de principes van de Open Access Movement, en het daaruit ontstane Open Archives Initiative.
Basisinformatie over ‘Open Access to scholarly information'.
Molecular and rheological characterization of different cell wall fractions of Porphyridium cruentum
Bernaerts, T.M.M.; Kyomugasho, C.; Van Looveren, N.; Gheysen, L.; Foubert, I.; Hendrickx, M.E.; Van Loey, A.M. (2018). Molecular and rheological characterization of different cell wall fractions of Porphyridium cruentum. Carbohydrate Polymers 195: 542-550. https://dx.doi.org/10.1016/j.carbpol.2018.05.001
In: Carbohydrate Polymers. Elsevier SCI Ltd: Oxford. ISSN 0144-8617; e-ISSN 1879-1344, meer
|  |
| Trefwoord |
|
| Author keywords |
Red microalga; Exopolysaccharides; Molecular weight; Intrinsicviscosity; Thickening agent; Gel behavior |
| Auteurs | | Top |
- Bernaerts, T.M.M., meer
- Kyomugasho, C., meer
- Van Looveren, N., meer
- Gheysen, L., meer
|
- Foubert, I., meer
- Hendrickx, M.E., meer
- Van Loey, A.M., meer
|
|
| Abstract |
Cell wall related polysaccharides of the red microalga Porphyridium sp. were shown to be a promising source of new sustainable thickening agents. Isolated extracellular polysaccharides (EPS) consisted of high molecular weight polymers, showing a higher intrinsic viscosity compared to several commercially used hydrocolloids. Aqueous solutions of EPS (2% w/w) were characterized by substantial viscosities and weak gel behavior. Even though the extracted water soluble cell wall polysaccharides exhibited the same monosaccharide profile as EPS (composed of galactose, glucose, xylose and glucuronic acid), a lower molecular weight and intrinsic viscosity was observed for this fraction, resulting in poor rheological properties. Therefore, it was hypothesized that the physicochemical properties were related with a different molecular structural organization of these monosaccharides and sulfate groups. The main challenge for commercialization of extracellular polysaccharides of Porphyridium sp. remains the purification of these fractions to obtain polysaccharide extracts with low protein and salt contents. |
IMIS is ontwikkeld en wordt gehost door het VLIZ.
