Articles with "indicator film" as a keyword



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A pH indicator film based on chitosan and butterfly pudding extract for monitoring fish freshness.

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Published in 2021 at "International journal of biological macromolecules"

DOI: 10.1016/j.ijbiomac.2021.02.137

Abstract: A pH indicator film was prepared by mixing natural polymeric chitosan (CH) with natural dye from butterfly pudding extract (BP). The films were determined by color changes at different pH value, absorbance, thickness, moisture content,… read more here.

Keywords: fish freshness; indicator film; butterfly pudding; color changes ... See more keywords

A Novel Intelligent Indicator Film: Preparation, Characterization, and Application

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Published in 2023 at "Molecules"

DOI: 10.3390/molecules28083384

Abstract: The development of intelligent indicator film that can detect changes in food quality is a new trend in the food packaging field. The WPNFs-PU-ACN/Gly film was prepared based on whey protein isolate nanofibers (WPNFs). Anthocyanin… read more here.

Keywords: wpnfs acn; acn gly; film; intelligent indicator ... See more keywords

Chitosan-Enhanced pH-Sensitive Anthocyanin Indicator Film for the Accurate Monitoring of Mutton Freshness

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Published in 2024 at "Polymers"

DOI: 10.3390/polym16060849

Abstract: Natural anthocyanin indicator films with an excellent pH response enable the visual assessment of meat freshness. In this investigation, chitosan was initially employed as a colorimetric enhancer, leading to the development of a pH-sensitive indicator… read more here.

Keywords: mutton; indicator film; anthocyanin; color ... See more keywords