Research Progress on Preparation and Intelligent Packaging Application of Anthocyanin-Based Freshness Indicator Film
To understand the current application status of anthocyanidin-based freshness indicator film in intelligent packaging,and discuss the future research direction.The research progress of anthocyanin extraction and purification,preparation of composite films and application of freshness indicator in recent years were reviewed,and the preparation and application of anthocyanin composite films in different monitoring targets were analyzed.Composite film based on anthocyanin color indicator has become an effective means to monitor food freshness.The practical application of anthocyanidin-based freshness indicator labels still faces challenges such as reducing cost,improving reliability and developing supporting application systems.