Antimicrobial and Antioxidant Properties of Polyvinyl Alcohol Biocomposite Films Containing Ferulic Acid and Cellulose Extracted from Robinia Pseudoacacia Pods
| Autor: | Ioana Cristina Marinas, Eliza Oprea, Diana-Madalina Gaboreanu, Elena Matei, Liviu Nedelcu, Irina Zgura, Marian Angheloiu, Mariana Carmen Chifiriuc |
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| Jazyk: | angličtina |
| Rok vydání: | 2024 |
| Předmět: | |
| Zdroj: | Journal of Natural Fibers, Vol 21, Iss 1 (2024) |
| Druh dokumentu: | article |
| ISSN: | 15440478 1544-046X 1544-0478 |
| DOI: | 10.1080/15440478.2024.2355297 |
| Popis: | Capitalizing on invasive plant species and stopping their aggressive spread might be achieved by using them as a renewable source of useful products such as cellulose. The study aimed to develop new cellulose-based food packaging materials with antioxidant and antimicrobial activity. The cellulose was extracted from the invasive plant species Robinia pseudoacacia pods, crosslinked with citric acid, used as reinforcement for polyvinyl alcohol (PVA) and functionalized with ferulic acid (FA). The obtained materials were characterized by XRD, ATR-FTIR, contact angle and SEM. The materials exhibited low solubility in water and the swelling degree was proportional to the FA content. The FA release from the matrix was assessed by HPLC and the antioxidant profile by CUPRAC, FRAP, and TEAC methods. The obtained materials inhibited the growth of bacteria, yeasts and molds, being especially active on Gram-positive bacteria and yeasts. Overall, the most promising formulation for further developing new packaging materials for products with water activity less than 0.95 was the one with the highest FA content. |
| Databáze: | Directory of Open Access Journals |
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