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Starch Films Containing Micellar Nano/Microstructures with Turmeric and Hibiscus Extracts

Liliana Woszczak, Karen Khachatryan, Magdalena Krystyjan, Teresa Witczak, Mariusz Witczak, Dorota Gałkowska, Małgorzata Makarewicz and Gohar Khachatryan

Physicochemical and Functional Properties and Storage Stability of Chitosan–Starch Films Containing Micellar Nano/Microstructures with Turmeric and Hibiscus Extracts

ABSTRACT:

The dynamic development of the food industry and the growing interest of consumers in innovative solutions that increase the comfort and quality of life push the industry towards seeking pioneering solutions in the field of food packaging. Intelligent and active packaging, which affects the quality and durability of food products and allows one to determine their freshness, is still a modern concept. The aim of our study was to obtain two types of films based on chitosan and starch with micellar nanostructures containing extracts from turmeric rhizomes and hibiscus flowers. The presence of spherical nanostructures was confirmed using a scanning electron microscope. The structural and optical properties of the obtained composites were characterised by Fourier-transform infrared (FTIR), UltraViolet-Visible (UV-VIS), and photoluminescence (PL) spectroscopy. Scanning electron microscopy (SEM) analysis confirmed the presence of spherical micellar structures with a size of about 800 nm in the obtained biocomposites. The presence of nano-/microstructures containing extracts affected the mechanical properties of the composites: it weakened the strength of the films and improved their elongation at break (EAB). Films with nano-/microparticles were characterised by a higher water content compared to the control sample and lower solubility, and they showed stronger hydrophilic properties. Preliminary storage tests showed that the obtained biocomposites are sensitive to changes occurring during the storage of products such as cheese or fish. In addition, it was found that the film with the addition of turmeric extract inhibited the growth of microorganisms during storage. The results suggest that the obtained bionanocomposites can be used as active and/or intelligent materials.

Keywords: chitosan; starch; turmeric; hibiscus; biocomposite; micelle

Attach:ijms241512218.jpg Δ

 Int. J. Mol. Sci. 2023, 24(15), 12218;  https://doi.org/10.3390/ijms241512218

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"MDPI and ACS Style"
Woszczak, L.; Khachatryan, K.; Krystyjan, M.; Witczak, T.; Witczak, M.; Gałkowska, D.; Makarewicz, M.; Khachatryan, G. Physicochemical and Functional Properties and Storage Stability of Chitosan–Starch Films Containing Micellar Nano/Microstructures with Turmeric and Hibiscus Extracts. Int. J. Mol. Sci. 2023, 24, 12218. https://doi.org/10.3390/ijms241512218

"AMA Style"
Woszczak L, Khachatryan K, Krystyjan M, Witczak T, Witczak M, Gałkowska D, Makarewicz M, Khachatryan G. Physicochemical and Functional Properties and Storage Stability of Chitosan–Starch Films Containing Micellar Nano/Microstructures with Turmeric and Hibiscus Extracts. International Journal of Molecular Sciences. 2023; 24(15):12218. https://doi.org/10.3390/ijms241512218

"Chicago/Turabian Style"
Woszczak, Liliana, Karen Khachatryan, Magdalena Krystyjan, Teresa Witczak, Mariusz Witczak, Dorota Gałkowska, Małgorzata Makarewicz, and Gohar Khachatryan. 2023. "Physicochemical and Functional Properties and Storage Stability of Chitosan–Starch Films Containing Micellar Nano/Microstructures with Turmeric and Hibiscus Extracts" International Journal of Molecular Sciences 24, no. 15: 12218. https://doi.org/10.3390/ijms241512218

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