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Egyptian Journal of Botany
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Volume Volume 65 (2025)
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ELgamassy, A., Hussein, M., Elsanhoty, R., Mohammed, A. (2025). Eco-Friendly Synthesis of Lactobacillus acidophilus-AgNPs: A Novel Approach to Combat Lipid Metabolism Disorders. Egyptian Journal of Botany, 65(3), 489-507. doi: 10.21608/ejbo.2025.357377.3172
abeer ELgamassy; Mohamed A Hussein; Rafaat Elsanhoty; A. B. Abeer Mohammed. "Eco-Friendly Synthesis of Lactobacillus acidophilus-AgNPs: A Novel Approach to Combat Lipid Metabolism Disorders". Egyptian Journal of Botany, 65, 3, 2025, 489-507. doi: 10.21608/ejbo.2025.357377.3172
ELgamassy, A., Hussein, M., Elsanhoty, R., Mohammed, A. (2025). 'Eco-Friendly Synthesis of Lactobacillus acidophilus-AgNPs: A Novel Approach to Combat Lipid Metabolism Disorders', Egyptian Journal of Botany, 65(3), pp. 489-507. doi: 10.21608/ejbo.2025.357377.3172
ELgamassy, A., Hussein, M., Elsanhoty, R., Mohammed, A. Eco-Friendly Synthesis of Lactobacillus acidophilus-AgNPs: A Novel Approach to Combat Lipid Metabolism Disorders. Egyptian Journal of Botany, 2025; 65(3): 489-507. doi: 10.21608/ejbo.2025.357377.3172

Eco-Friendly Synthesis of Lactobacillus acidophilus-AgNPs: A Novel Approach to Combat Lipid Metabolism Disorders

Article 41, Volume 65, Issue 3, July 2025, Page 489-507  XML PDF (1.91 MB)
Document Type: Regular issue (Original Article)
DOI: 10.21608/ejbo.2025.357377.3172
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Authors
abeer ELgamassy email 1; Mohamed A Husseinorcid 2; Rafaat Elsanhoty3; A. B. Abeer Mohammed4
1biotechnology Department ,faculty of Applied health science technology ,october 6 university, Giza ,Egypt
2Biotechnology Department, Faculty of Applied Medical Science, October 6th University, Egypt
3Department of Industrial Biotechnology, Genetic Engineering and Biotechnology Research Institute, University of Sadat City, Sadat City 22857/79, Egypt
4Department of Microbial Biotechnology, Genetic Engineering and Biotechnology Research Institute, University of Sadat City, Sadat City 22857/79, Egypt.
Abstract
Lactobacillus acidophilus, a well-known probiotic, has been extensively studied for its antioxidant, cholesterol-lowering, and anti-inflammatory properties. While silver nanoparticles (AgNPs) have various applications, the use of L. acidophilus biomass in AgNP synthesis, particularly in lipid metabolism requires careful evaluation.
L. acidophilus-AgNPs was prepared, characterized and their lipid-lowering effects in high-fat diet (HFD)-induced obese mice. The isolated L. acidophilus was characterized using bile salt tolerance, cell-surface adherence, hemolytic testing, and 16S rDNA sequencing. We performed an MTC test to determine the most effective Ag+ concentration for biosynthesis, finding 2 mM to be optimal and harmless.
L. acidophilus-AgNPs, exhibited a spherical morphology with an average particle size of 18.69 ± 0.57 nm and a PDI of 0.54. The zeta potential was -9.55 ± 0.8 mV. UV-visible and FTIR spectra revealed OH, C=O, NH, P-O, and P=O as main functional groups in the proteins and polysaccharides of L. acidophilus.
L. acidophilus-AgNPs demonstrated notable lipid-lowering, antioxidant, and anti-inflammatory effects in HFD-induced obese mice. Administration of L. acidophilus-AgNPs increased plasma glucose, insulin, TG, TC, and HDL-C levels, and elevated FFA, GSH, SOD, GPx, GR, MDA, TNF-α, and MCP-1 concentrations. Histological studies corroborated these biochemical findings.
In conclusion, L. acidophilus biomass can produce L. acidophilus-AgNPs, showcasing these bacteria as a natural microbial cell nanofactory. This method offers a sustainable and environmentally friendly approach to synthesizing L. acidophilus-AgNPs. The results suggest that L. acidophilus-AgNPs may be more effective in restoring antioxidant status in obese mice compared to metformin, rapidly counteracting lipid peroxidation and reducing obesity-related complications.
Keywords
L. acidophilus; MTC; obesity; nanotechnology; oxidative stress biomarkers; lipid profile
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