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385 results on '"Ben Jemaa M"'

1. La mucormycose : une infection rare mais grave

Author

Barkia, N., primary, Bougharriou, I., additional, Ben jemaa, Y., additional, Gargouri, S., additional, Ben hmida, S., additional, Marrakchi, C., additional, Hammami, B., additional, Boudawara, T., additional, Ayedi, A., additional, and Ben jemaa, M., additional

Published
2024
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10. Essential Oil Stabilisation by Response Surface Methodology (RSM): Nanoemulsion Formulation, Physicochemical, Microbiological, and Sensory Investigations

Author

Ministère de l’Enseignement Supérieur et de la Recherche Scientifique (Tunisie), European Commission, Andrés, Sonia [0000-0001-5255-1582], Ben Jemaa, M., Rahali, Fatma Zohra, Falleh, Hanen, Beji-Serairi, Raja, Megdiche-Ksouri, Wided, Hamrouni, Ibtissem, Hammami, Majdi, Nehme, Ralph, Pereira, Renato B., Andrés, Sonia, Bouhallab, Said, Pereira, David M., Ceciliani, F., Abdennebi-Najar, L., Ksouri, Riadh, Ministère de l’Enseignement Supérieur et de la Recherche Scientifique (Tunisie), European Commission, Andrés, Sonia [0000-0001-5255-1582], Ben Jemaa, M., Rahali, Fatma Zohra, Falleh, Hanen, Beji-Serairi, Raja, Megdiche-Ksouri, Wided, Hamrouni, Ibtissem, Hammami, Majdi, Nehme, Ralph, Pereira, Renato B., Andrés, Sonia, Bouhallab, Said, Pereira, David M., Ceciliani, F., Abdennebi-Najar, L., and Ksouri, Riadh

Abstract

This manuscript aimed to optimise the encapsulation of Thymus capitatus essential oil into nanoemulsion. Response Surface Methodology results were best fitted into polynomial models with regression coefficient values of more than 0.95. The optimal nanoemulsion showed nanometer-sized droplets (380 nm), a polydispersity index less than 0.5, and a suitable Zeta potential (−10.3 mV). Stability results showed that nanoemulsions stored at 4 °C were stable with the lowest d3,2, PolyDispersity Index (PDI), and pH (day 11). Significant ameliorations in the capacity to neutralise DPPH radical after the encapsulation of the antimicrobial efficacy of thyme essential oil were recorded. S. typhimurium growth inhibition generated by nanoencapsulated thyme essential oil was 17 times higher than by bulk essential oil. The sensory analysis highlighted that the encapsulation of thyme essential oil improved enriched milk’s sensory appreciation. Indeed, 20% of the total population attributed a score of 4 and 5 on the scale used for milk enriched with nanoemulsion. In comparison, only 11% attributed the same score to milk enriched with bulk essential oil. The novel nanometric delivery system presents significant interest for agroalimentary industries.

Published
2022

30. Essential oils in livestock: from health to food quality

Author

European Commission, Andrés, Sonia [0000-0001-5255-1582], López, Secundino [0000-0001-6267-683X], Nehme, Ralph, Andrés, Sonia, Pereira, Renato B., Ben Jemaa, M., Bouhallab, Said, Ceciliani, F., López, Secundino, Rahali, Fatma Zohra, Ksouri, Riadh, Pereira, D.M., Abdennebi-Najar, L., European Commission, Andrés, Sonia [0000-0001-5255-1582], López, Secundino [0000-0001-6267-683X], Nehme, Ralph, Andrés, Sonia, Pereira, Renato B., Ben Jemaa, M., Bouhallab, Said, Ceciliani, F., López, Secundino, Rahali, Fatma Zohra, Ksouri, Riadh, Pereira, D.M., and Abdennebi-Najar, L.

Abstract

Using plant essential oils (EOs) contributes to the growing number of natural plants’ applications in livestock. Scientific data supporting the efficacy of EOs as anti-inflammatory, antibacterial and antioxidant molecules accumulates over time; however, the cumulative evidence is not always sufficient. EOs antioxidant properties have been investigated mainly from human perspectives. Still, so far, our review is the first to combine the beneficial supporting properties of EOs in a One Health approach and as an animal product quality enhancer, opening new possibilities for their utilization in the livestock and nutrition sectors. We aim to compile the currently available data on the main anti-inflammatory effects of EOs, whether encapsulated or not, with a focus on mammary gland inflammation. We will also review the EOs’ antioxidant activities when given in the diet or as a food preservative to counteract oxidative stress. We emphasize EOs’ in vitro and in vivo ruminal microbiota and mechanisms of action to promote animal health and performance. Given the concept of DOHaD (Developmental Origin of Health and Diseases), supplementing animals with EOs in early life opens new perspectives in the nutrition sector. However, effective evaluation of the significant safety components is required before extending their use to livestock and veterinary medicine.

Published
2021

48. Les méningites rickettsiennes

Author

Hammami, F., primary, Koubaa, M., additional, Chakroun, A., additional, Rekik, K., additional, Smaoui, F., additional, Elleuch, E., additional, Marrakchi, C., additional, and Ben Jemaa, M., additional

Published
2020
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