Journal of Food, Agriculture and Environment

Vol 2, Issue 1,2004
Online ISSN: 1459-0263
Print ISSN: 1459-0255

Complexes of anionic polysaccharides with metal salts. Part II. κ-Carrageenan


Wojciech Ciesielski

Recieved Date: 2003-09-17, Accepted Date: 2004-01-03


Properties of k-carrageenan complexes with paramagnetic transition metal cations [Co(II), Cu(II), Fe(III), Mn(II), and Ni(II)] were evaluated using the EPR spectrometry, conductivity measurements, thermogravimetric (TG), and differential scanning calorimetric (DSC) studies as well as computations with involvement of the ZINDO-1 method. The formation of the Werner-type complexes with metal central atom and polysaccharide as the ligand was proven. Ligation of the central atom involved lone electron pairs of the polysaccharide hydroxyl groups and the SO3 groups of carragenan.


Computations, electron paramagnetic resonance, differential scanning, calorimetry, metal complexes, thermogravimetry, Werner complexes

Journal: Journal of Food, Agriculture and Environment
Year: 2004
Volume: 2
Issue: 1
Category: Food and Health
Pages: 17-25

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