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Physico-chemical properties of carrageenan gels in presence of various cations.
Int J Biol Macromol. 1997 Aug; 21(1-2):195-200.IJ

Abstract

Phase separation and gelation induced by addition of monovalent and divalent cations in iota and kappa carrageenan solutions were investigated as a function of the polymer and cation concentrations. Rheological measurements have also been carried out at a given polymer concentration. The storage modulus (G') determined at a cation/polymer ratio was always higher for kappa- than for iota-carrageenan. For iota carrageenan, G' increased slowly with the monovalent salt concentration and more quickly with the divalent salt concentration. At the opposite, for kappa carrageenan, G' increased more rapidly in the presence of KCl than with calcium or copper. Nevertheless for large salt concentrations, G' became independent of the type and concentration of cations in the kappa carrageenan solution.

Authors+Show Affiliations

Université Catholique de Louvain, Unité de Chimie des Interfaces, Louvain-la-Neuve, Belgium.No affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

9283036

Citation

Michel, A S., et al. "Physico-chemical Properties of Carrageenan Gels in Presence of Various Cations." International Journal of Biological Macromolecules, vol. 21, no. 1-2, 1997, pp. 195-200.
Michel AS, Mestdagh MM, Axelos MA. Physico-chemical properties of carrageenan gels in presence of various cations. Int J Biol Macromol. 1997;21(1-2):195-200.
Michel, A. S., Mestdagh, M. M., & Axelos, M. A. (1997). Physico-chemical properties of carrageenan gels in presence of various cations. International Journal of Biological Macromolecules, 21(1-2), 195-200.
Michel AS, Mestdagh MM, Axelos MA. Physico-chemical Properties of Carrageenan Gels in Presence of Various Cations. Int J Biol Macromol. 1997;21(1-2):195-200. PubMed PMID: 9283036.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Physico-chemical properties of carrageenan gels in presence of various cations. AU - Michel,A S, AU - Mestdagh,M M, AU - Axelos,M A, PY - 1997/8/1/pubmed PY - 1997/8/1/medline PY - 1997/8/1/entrez SP - 195 EP - 200 JF - International journal of biological macromolecules JO - Int J Biol Macromol VL - 21 IS - 1-2 N2 - Phase separation and gelation induced by addition of monovalent and divalent cations in iota and kappa carrageenan solutions were investigated as a function of the polymer and cation concentrations. Rheological measurements have also been carried out at a given polymer concentration. The storage modulus (G') determined at a cation/polymer ratio was always higher for kappa- than for iota-carrageenan. For iota carrageenan, G' increased slowly with the monovalent salt concentration and more quickly with the divalent salt concentration. At the opposite, for kappa carrageenan, G' increased more rapidly in the presence of KCl than with calcium or copper. Nevertheless for large salt concentrations, G' became independent of the type and concentration of cations in the kappa carrageenan solution. SN - 0141-8130 UR - https://www.unboundmedicine.com/medline/citation/9283036/Physico_chemical_properties_of_carrageenan_gels_in_presence_of_various_cations_ DB - PRIME DP - Unbound Medicine ER -
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