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Article

Development of Alginate Composite Microparticles for Encapsulation of Bifidobacterium animalis subsp. lactis

by
Marko Vinceković
1,*,
Lana Živković
1,
Elmira Turkeyeva
2,
Botagoz Mutaliyeva
2,
Galiya Madybekova
3,
Suzana Šegota
4,
Nataša Šijaković Vujičić
5,
Anđela Pustak
6,
Tanja Jurkin
6,
Marta Kiš
7 and
Sanja Kajić
8
1
Division of Agroecology, Department of Chemistry, University of Zagreb Faculty of Agriculture, Svetošimunska 25, 10000 Zagreb, Croatia
2
Biotechnology Department, M. Auezov South-Kazakhstan University, Tauke-Khan, Shymkent 160000, Kazakhstan
3
Chemistry Department, O. Zhanibekov South-Kazakhstan Pedagogical University, Baitursynov Street, 13, Shymkent 160000, Kazakhstan
4
Laboratory for Biocolloids and Surface Chemistry, Ruđer Bošković Institute, Bijenička c. 54, 10000 Zagreb, Croatia
5
Division of Organic Chemistry and Biochemistry, Ruđer Bošković Institute, Bijenička c. 54, 10000 Zagreb, Croatia
6
Radiation Chemistry and Dosimetry Laboratory, Ruđer Bošković Institute, Bijenička c. 54, 10000 Zagreb, Croatia
7
Faculty of Veterinary Medicine, University of Zagreb, Ul. Vjekoslava Heinzela 55, 10000 Zagreb, Croatia
8
Division of Agroecology, Department of Microbiology, University of Zagreb Faculty of Agriculture, 10000 Zagreb, Croatia
*
Author to whom correspondence should be addressed.
Gels 2024, 10(11), 752; https://doi.org/10.3390/gels10110752
Submission received: 3 October 2024 / Revised: 13 November 2024 / Accepted: 13 November 2024 / Published: 19 November 2024
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Abstract

The probiotic bacterium Bifidobacterium animalis subsp. lactis BB-12 (BB-12) was encapsulated in two composites, alginate/agar and alginate/agar/casein. The network structure and physicochemical properties of these composites are influenced by complex interactions, including hydrogen bonding, electrostatic forces between biopolymers, calcium ions, and the encapsulated bacteria. The composites demonstrated a granular surface, with the granules being spatially oriented on the alginate/agar/BB-12 surface and linearly oriented on the alginate/agar/casein/BB-12 surface. They possess a highly organized microparticle structure and exhibit viscoelastic solid-like behavior. The alginate/agar/BB-12 composite showed higher storage modulus, shear stress, and shear strain values, indicating enhanced stability in various physical environments. Both composites displayed good thermal stability, aligning with their rheological properties, confirming their well-ordered structures. Despite differences in composite structures, the release mechanism of bacteria is governed by Fickian diffusion through the composite matrix. Based on physicochemical properties, the alginate/agar/casein composite is recommended for dairy product fermentation, while the alginate/agar composite seems more suitable for oral use. These findings provide new insights into the interactions between bacterial cultures and alginate composite ingredients.
Keywords: alginate composite; agar; casein; Bifidobacterium animalis subsp. lactis BB-12; encapsulation alginate composite; agar; casein; Bifidobacterium animalis subsp. lactis BB-12; encapsulation
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MDPI and ACS Style

Vinceković, M.; Živković, L.; Turkeyeva, E.; Mutaliyeva, B.; Madybekova, G.; Šegota, S.; Šijaković Vujičić, N.; Pustak, A.; Jurkin, T.; Kiš, M.; et al. Development of Alginate Composite Microparticles for Encapsulation of Bifidobacterium animalis subsp. lactis. Gels 2024, 10, 752. https://doi.org/10.3390/gels10110752

AMA Style

Vinceković M, Živković L, Turkeyeva E, Mutaliyeva B, Madybekova G, Šegota S, Šijaković Vujičić N, Pustak A, Jurkin T, Kiš M, et al. Development of Alginate Composite Microparticles for Encapsulation of Bifidobacterium animalis subsp. lactis. Gels. 2024; 10(11):752. https://doi.org/10.3390/gels10110752

Chicago/Turabian Style

Vinceković, Marko, Lana Živković, Elmira Turkeyeva, Botagoz Mutaliyeva, Galiya Madybekova, Suzana Šegota, Nataša Šijaković Vujičić, Anđela Pustak, Tanja Jurkin, Marta Kiš, and et al. 2024. "Development of Alginate Composite Microparticles for Encapsulation of Bifidobacterium animalis subsp. lactis" Gels 10, no. 11: 752. https://doi.org/10.3390/gels10110752

APA Style

Vinceković, M., Živković, L., Turkeyeva, E., Mutaliyeva, B., Madybekova, G., Šegota, S., Šijaković Vujičić, N., Pustak, A., Jurkin, T., Kiš, M., & Kajić, S. (2024). Development of Alginate Composite Microparticles for Encapsulation of Bifidobacterium animalis subsp. lactis. Gels, 10(11), 752. https://doi.org/10.3390/gels10110752

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