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

Food ChemistryPh Indicator FilmEngineeringEdible FilmEnvironmental EngineeringFood AnalysisBioanalysisBioprocess MonitoringAnalytical ChemistryWater QualityFish FreshnessFood QualityButterfly Pudding ExtractFood TechnologyFood SafetyHealth Sciences