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Fermented milks are sources of bioactive peptides that modulate intestinal functions. Hydrolysates fermented by: Lactobacillus paracasei, Enterococcus faecalis, Enterococcus faecium, Bifidobacterium longum, Lactobacillus plantarum and Sstreptococcus thermophillus were studied by electrophoresis and chromatography. Antioxidant activity and the effects on the intestine of mice sensitised to beta-Lg and milk, followed by histology of the jejunum, were undertaken. The results showed proteolytic performance and antioxidant capacity. The preventive effect showed a slight production of anti-Blg IgG and IgE. The Ussing chamber shows that the response to allergen stimulation is lower. The histological study revealed, in the groups that received hydrolysates, minor damage with weaker inflammatory signs and villi that were more or less enlarged. Hydrolysates have a preventive and therapeutic effect and appear to have a protective effect on the intestinal epithelium. The L.paracasei strain is an interesting candidate, since its therapeutic and preventive effects are more marked.
Über den Autor / die Autorin
Laureata all'Università di Orano 1 Ahmed Benbella, ho conseguito il Diplôme d'Étude Supérieur in Microbiologia nel 2001, seguito da un Magister in Fisiologia della nutrizione e sicurezza alimentare nel 2009. Ho poi completato il mio dottorato di ricerca nello stesso campo nel 2015 e ho acquisito la mia Habilitation Universitaire nel 2019.
