Functional properties of Lactobacillus acidophilus metabolites

BACKGROUND: This study addressed the characteristics of metabolites synthesized by Lactobacillus acidophilus 5e2, with particular attention paid to exopolysaccharides, biosurfactants, proline peptidases and antibacterial compounds.RESULTS: The strain Lb. acidophilus 5e2 synthesizes low-molecular-mas...

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Veröffentlicht in:	Journal of the science of food and agriculture 2009-11, Vol.89 (14), p.2467-2476
Hauptverfasser:	Brzozowski, Bartosz, Bednarski, Włodzimierz, Dziuba, Bartłomiej
Format:	Artikel
Sprache:	eng
Schlagworte:	antibacterial properties Biological and medical sciences biosurfactant biosurfactants E coli Escherichia coli exopolysaccharide exopolysaccharides Food industries Food science functional properties Fundamental and applied biological sciences. Psychology Glucose lactic acid bacteria Lactobacillus acidophilus Metabolites peptidases Peptides proline peptidases prolyl endopeptidase protein content Studies Surfactants
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Zusammenfassung:	BACKGROUND: This study addressed the characteristics of metabolites synthesized by Lactobacillus acidophilus 5e2, with particular attention paid to exopolysaccharides, biosurfactants, proline peptidases and antibacterial compounds.RESULTS: The strain Lb. acidophilus 5e2 synthesizes low-molecular-mass polysaccharides (340 kDa) constituted by glucose, galactose and glucosamine at a ratio of 3.3:2.8:1.0, as well as biosurfactants with a molecular mass of 32 kDa built from a protein fraction, a polysaccharide fraction and phosphate groups. It additionally synthesizes extra- and intracellular proline peptidases, including prolyl endopeptidase and thermostable low-molecular-mass (
ISSN:	0022-5142 1097-0010
DOI:	10.1002/jsfa.3749