{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,28]],"date-time":"2026-08-28T09:32:53Z","timestamp":1787909573530,"version":"build-2784847793"},"reference-count":56,"publisher":"MDPI AG","issue":"7","license":[{"start":{"date-parts":[[2025,3,26]],"date-time":"2025-03-26T00:00:00Z","timestamp":1742947200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Nicolaus Copernicus University (Torun, Poland)","award":["4101.00000085"],"award-info":[{"award-number":["4101.00000085"]}]},{"name":"Excellence Initiative Research University competition for scientific groups\u2014BIOdegradable PACKaging materials research group","award":["4101.00000085"],"award-info":[{"award-number":["4101.00000085"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Polymers"],"abstract":"<jats:p>In recent years, there has been a growing emphasis on packaging made from biodegradable materials. These materials not only help to reduce environmental impact, but also extend the shelf life of food products, thereby contributing to a significant reduction in food waste. In order to develop novel biodegradable polymeric films for use as active packaging, polylactide materials filled with vanillic acid were prepared. Analyses were conducted to determine the influence of vanillic acid on the structural morphology and key food storage properties of the resulting films, including water vapor resistance, mechanical properties, UV barrier properties, opacity, and antioxidant activity. The effect of the vanillic acid on the firmness of blueberries packed in films with and without the additive was evaluated. The research demonstrated that incorporating vanillic acid into polylactide significantly enhanced the UV barrier properties of the resulting materials. Furthermore, the resulting antioxidant activity contributed to extending the freshness of the stored blueberries. The addition of vanillic acid did not substantially affect the transparency of the films, maintaining the visibility of the fruit.<\/jats:p>","DOI":"10.3390\/polym17070882","type":"journal-article","created":{"date-parts":[[2025,3,26]],"date-time":"2025-03-26T09:13:26Z","timestamp":1742980406000},"page":"882","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["A Study of Thin Films Based on Polylactide and Vanillic Acid-Crucial Properties Relevant to Packaging"],"prefix":"10.3390","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8407-0078","authenticated-orcid":false,"given":"Ewa","family":"Olewnik-Kruszkowska","sequence":"first","affiliation":[{"name":"Chair of Physical Chemistry and Physicochemistry of Polymers, Faculty of Chemistry, Nicolaus Copernicus University in Toru\u0144, Gagarin 7 Street, 87-100 Toru\u0144, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2052-3012","authenticated-orcid":false,"given":"Magdalena","family":"Wrona","sequence":"additional","affiliation":[{"name":"Institute of Bio- and Geosciences 2, Forschungszentrum J\u00fclich GmbH, 52428 J\u00fclich, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3592-8047","authenticated-orcid":false,"given":"Anna","family":"Rudawska","sequence":"additional","affiliation":[{"name":"Faculty of Mechanical Engineering, Lublin University of Technology, Nadbystrzycka 36 St., 20-618 Lublin, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2025,3,26]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1831","DOI":"10.1007\/s10311-024-01729-z","article-title":"Production Methods and Applications of Bioactive Polylactic Acid: A Review","volume":"22","author":"Ferreira","year":"2024","journal-title":"Environ. 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