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A Novel Bifidobacterium longum ssp. longum Strain with Pleiotropic Effects
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A Novel Bifidobacterium longum ssp. longum Strain with Pleiotropic Effects
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Journal Article
A Novel Bifidobacterium longum ssp. longum Strain with Pleiotropic Effects
2024
Overview
Postbiotics are gaining increasing interest among the scientific community as well as at the level of food processing enterprises. The aim of this preliminary study was to characterise the metabolic diversity of a novel Bifidobacterium longum strain, BIOCC 1719, of human origin. The change after 24 h cultivation in three media was assessed using a metabolomic approach. Milk-based substrates favoured the activity of the strain, promoting the production of B vitamins, essential amino acids, bile acids, and fatty acids. Vitamins B1, B2, B6, B7, and B12 (with an average increase of 20–30%) were produced in both whole milk and whey; the increased production in the latter was as high as 100% for B7 and 744% for B12. The essential amino acids methionine and threonine were produced (>38%) in both milk and whey, and there was an increased production of leucine (>50%) in milk and lysine (126%) in whey. Increases in the content of docosahexaenoic acid (DHA) by 20%, deoxycholic acid in milk and whey (141% and 122%, respectively), and cholic acid (52%) in milk were recorded. During the preliminary characterisation of the metabolic diversity of the novel B. longum strain, BIOCC 1719, we identified the bioactive compounds produced by the strain during fermentation. This suggests its potential use as a postbiotic ingredient to enrich the human diet.
Publisher
MDPI AG,MDPI
Subject
/ Bacteria
/ bile
/ essential amino acid biosynthesis
/ Functional foods & nutraceuticals
/ humans
/ Leucine
/ Lysine
/ Milk
/ Vitamins
/ Whey
