Innovative active bio-based food packaging material with Cannabis sativa L. seeds extract as an agent to reduce food waste

• Published in: Colloids and surfaces, B, Biointerfaces B, Biointerfaces, 2025-01, Vol.245, p.114313, Article 114313
• Main Authors: Dobrucka, Renata, Dlugaszewska, Jolanta, Pawlik, Mikołaj, Szymański, Marcin
• Format: Article
• Language: English
• Subjects: Anti-Bacterial Agents - chemistry; Anti-Bacterial Agents - pharmacology; Antibacterial packaging; antibacterial properties; apples; Cannabis - chemistry; Cannabis sativa; Cannabis sativa L. seeds; circular economy; Citrus; Food Loss and Waste; Food Packaging; food waste; Microbial Sensitivity Tests; Pectin; pectins; Pectins - chemistry; Pectins - pharmacology; Plant Extracts - chemistry; Plant Extracts - pharmacology; Salmonella Typhimurium; Salmonella typhimurium - drug effects; Seeds - chemistry; water vapor
• ISSN: 0927-7765; 1873-4367; 1873-4367
• DOI: 10.1016/j.colsurfb.2024.114313

In the present study, ethanolic extracts from the extract of unshelled seeds of Cannabis sativa L. were used to produce films in order not to generate additional waste, taking into view a circular economy. Combinations of apple pectin and citrus pectin in a ratio of 80:20 were used. Film samples containing 0.5, 1.0 and 2.5 [wt%] of the extract were extruded. Antimicrobial, mechanical and barrier properties of the obtained films were tested. Samples with 0.5 [wt%] showed a WVTR of 16.98 [g/m2d]. The water vapour barrier properties of the films decreased with an increase in the amount of extract used. As the amount of extract increased, the transparency of the films decreased linearly to 12.84 [%] (0.5 [wt%]), 4.90 [%] (1.0 [wt%]) and 4.99 [%] (2.5 [wt%]). It was observed that the brightness of the samples decreased with increasing concentration, due to the presence of higher levels of phenolic compounds. Tests carried out showed that the prepared films exhibited inhibitory activity against all micrograms tested. All prepared films had antibacterial activity against the Salmonella typhimurium strain. Similarly, in the case of L. monocytogenes. •For the film, we used ethanol extracts from the Cannabis sativa L. seed extract.•Samples with 0.5 [wt%] exhibited a WVTR of 16.98 [g/m2d].•All prepared films had a bactericidal effect against the S. typhimurium strain.•There was a decrease in the brightness of the samples as the concentration increased.