Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Smart Packaging Based on Polylactic Acid: Effect of Antibacterial and Antioxidant Agents from Natural Extract on Physical-Mechanical Properties, Colony Reduction, and Perishable Food Shelf Life

Version 1 : Received: 25 September 2023 / Approved: 25 September 2023 / Online: 26 September 2023 (02:18:14 CEST)

How to cite: Nasution, H.; Harahap, H.; Julianti, E.; Safitri, A.; Jaafar, M. Smart Packaging Based on Polylactic Acid: Effect of Antibacterial and Antioxidant Agents from Natural Extract on Physical-Mechanical Properties, Colony Reduction, and Perishable Food Shelf Life. Preprints 2023, 2023091692. https://doi.org/10.20944/preprints202309.1692.v1 Nasution, H.; Harahap, H.; Julianti, E.; Safitri, A.; Jaafar, M. Smart Packaging Based on Polylactic Acid: Effect of Antibacterial and Antioxidant Agents from Natural Extract on Physical-Mechanical Properties, Colony Reduction, and Perishable Food Shelf Life. Preprints 2023, 2023091692. https://doi.org/10.20944/preprints202309.1692.v1

Abstract

The changes in consumer lifestyles have raised awareness of the variety of food options and packaging technologies. Active and smart packaging represents an innovative technology that serves to enhance the safety and quality of products. Smart packaging, as a subset of this technology, entails the integration of additives into packaging materials, thereby facilitating the preservation or extension of product quality and shelf life. This technological approach stimulates a heightened demand for safer food products with prolonged shelf life. Active packaging predominantly relies on the utilization of natural active substances. Therefore, the combination of active substances has a significant impact on the characteristics of active packaging particularly on polymeric blend like Polylactic acid (PLA) as a matrix. So, This review will summarize and explains how the addition of natural active agents influenced the properties related to the performance of active packaging through systematic analysis, providing new insights about the relationship between the types of active agents on physical-mechanical properties, bacterial colony reduction, and applications in foods packaging such as meat, fish, fruit, and vegetables. Through their integration, the market for active and smart packaging systems is expected to have a bright future.

Keywords

Colony reduction; Food shelf life; Mechanical properties; Natural additive; PLA; Smart packaging

Subject

Chemistry and Materials Science, Materials Science and Technology

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