Bougainvillea glabra extract-loaded elephant foot yam starch-polyvinyl alcohol blend films as pH-indicators for monitoring milk freshness.

This study reports the development of a biodegradable, pH-responsive starch-polyvinyl alcohol blend-based film for real-time monitoring of milk freshness. The film was fabricated using dual-modified elephant foot yam starch (MEFYS) and polyvinyl alco…

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