Microstructures of encapsulates and ... - Wiley Online Library
In this case, calcium ion would cross-link with alginate and sulfate groups of κ-carrageenan, while potassium ion would promote cross-linkage of sulfate group and anhydrous-O-3,6-ring of galactose residue of κ-carrageenan, resulting in beads with more complex network that can entrap a core more tightly.
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