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Laboratory study demonstrates a pH-sensitive chitosan and gelatin film with Zingiber striolatum anthocyanin for fish freshness monitoring, highlighting intelligent food packaging utility.
As a new type of packaging method, the anthocyanin-based pH-sensitive indicator film has gained much attention owing to low cost, small size, and visually informative property. In this study, an intelligent film based on chitosan/gelatin (CG) matrix with
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Qin et al. (2024) studied this question.
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