reported that phenolic acids, such
as hydroxycinnamic acids, exhibited activity against several strains of
Listeria monocytogenes. Particularly, caffeic acid showed an inhibitory
effect on the growth of pathogenic bacteria S. marcescens, E. coli,
P. mirabilis, P. aeruginosa, S. aureus. Nevertheless, in our study caffeic acid did not inhibit L. acidophilus CECT 903 growth, probably due to its capacity to metabolize phenolics acids, similarly to some microorganisms able to metabolize hydroxycinnamic acids by the reduction of side chain to produce the corresponding 2 -hydroxyphenylpropionic acids, which can be further
descarboxylated to p-ethylphenols.
reported that phenolic acids, suchas hydroxycinnamic acids, exhibited activity against several strains ofListeria monocytogenes. Particularly, caffeic acid showed an inhibitoryeffect on the growth of pathogenic bacteria S. marcescens, E. coli, P. mirabilis, P. aeruginosa, S. aureus. Nevertheless, in our study caffeic acid did not inhibit L. acidophilus CECT 903 growth, probably due to its capacity to metabolize phenolics acids, similarly to some microorganisms able to metabolize hydroxycinnamic acids by the reduction of side chain to produce the corresponding 2 -hydroxyphenylpropionic acids, which can be furtherdescarboxylated to p-ethylphenols.
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