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Textural and cargo release attributes of trisodium citrate cross-linked starch hydrogel
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文摘

Alkaline starch suspension was charged with citric acid to undergo cross-linking.

Immediately after charging with citric acid, consistency of the suspension decreased.

Cross-linking inhibited gel syneresis and increased gel water-holding capacity.

The caffeine release from hydrogel decreased by cross-linking and was dependent on pH.

FTIR informed that caffeine was enclosed within the hydrogel by non-covalent forces.

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