Non-destructive colorimetric detection of milk freshness by starch-alginate sensor beads stabilized by nanoemulsions.

The study presents the development of Ca2+-crosslinked starch-alginate beads encapsulating ternatin-loaded nanoemulsions (SAB) for rapid detection of milk spoilage. The beads exhibited strong, stable colorimetric responses (ΔE > 50) across the pH ran…

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