Halochromic smart film: A gelatin-based pH-sensitive film embedded with anthocyanin from roselle (Hibiscus sabdariffa) extracts for potential food spoilage indicator application.

J Food Sci · 2025 · PMC11924884 · PMID 40111016

Europe PMC DOI

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an increasing trendp < 0.05actually significant

The opacity value showed an increasing trend as anthocyanin concentration increased in the gelatin‐based film ( p < 0.05).

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