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Formation and Investigation of Physicochemical and Microbiological Properties of Biocomposite Films Containing Turmeric Extract Nano/Microcapsules

Natalia Stanisławska, Gohar Khachatryan, Karen Khachatryan, Magdalena Krystyjan , Małgorzata Makarewicz and Marcel Krzan

Formation and Investigation of Physicochemical and Microbiological Properties of Biocomposite Films Containing Turmeric Extract Nano/Microcapsules

ABSTRACT:

In the era of growing plastic consumption, food waste by consumers and overproduction caused by economic reasons, the global goal is to decrease these phenomena. Biocomposite films investigated in the past years are creating a promising future toward ecological, intelligent and active packaging. Due to their unique properties, they can be used in many areas of our life and reduce the constantly increasing pollution of our planet. The aim of our study was to obtain innovative and flexible biopolymer films based on sodium alginate and chitosan, as well as to develop methods for generating nanocapsules with turmeric extract in them. Bionanocomposites were analyzed using UV-VIS, FTIR, photoluminescence spectroscopy and SEM microscopy, while contact angles, surface free energy, particle size (DLS) and zeta potential were determined. The mechanical and colorimetric properties of the produced films were investigated, and the water content, solubility and water absorption were determined. Microbiological tests were carried out to analyze the influence of the produced films on the development of microorganisms. The results of the performed analyses allowed us to confirm the presence of curcumin nano- and microcapsules in the alginate–chitosan composite. Moreover, studies have shown that the structure of polysaccharides does not change during capsule manufacturing. The film with the highest concentration of the capsules showed better parameters in tests of solubility, water content, degree of swelling and mechanical properties. The obtained properties of the developed films allow them to be used as active and intelligent packaging materials, or as their parts.

Keywords: biocomposite; nanocapsules; curcumin; innovative packaging

Biocomposite Films Containing Turmeric Extract Nano/Microcapsules  - K. Khachatryan
  Polymers 2023, 15(4), 919;  https://doi.org/10.3390/polym15040919

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MDPI and ACS Style
Stanisławska, N.; Khachatryan, G.; Khachatryan, K.; Krystyjan, M.; Makarewicz, M.; Krzan, M. Formation and Investigation of Physicochemical and Microbiological Properties of Biocomposite Films Containing Turmeric Extract Nano/Microcapsules. Polymers 2023, 15, 919. https://doi.org/10.3390/polym15040919

AMA Style
Stanisławska N, Khachatryan G, Khachatryan K, Krystyjan M, Makarewicz M, Krzan M. Formation and Investigation of Physicochemical and Microbiological Properties of Biocomposite Films Containing Turmeric Extract Nano/Microcapsules. Polymers. 2023; 15(4):919. https://doi.org/10.3390/polym15040919

Chicago/Turabian Style
Stanisławska, Natalia, Gohar Khachatryan, Karen Khachatryan, Magdalena Krystyjan, Małgorzata Makarewicz, and Marcel Krzan. 2023. "Formation and Investigation of Physicochemical and Microbiological Properties of Biocomposite Films Containing Turmeric Extract Nano/Microcapsules" Polymers 15, no. 4: 919. https://doi.org/10.3390/polym15040919

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