Capability of Lactobacillus plantarum IFPL935 to catabolize Flavan-3-ol compounds and complex phenolic extracts
Lactobacillus plantarum IFPL935 was incubated with individual monomeric flavan-3-ols and dimeric A-and B-type procyanidins to identify new metabolites and to determine the effect of compound structural features on bacterial growth and catabolism. Complex extracts rich in A-type proanthocyanidins and phenolic acids from cranberry were also tested. The results showed that L. plantarum IFPL935 exhibited higher resistance to nongalloylated monomeric flavan-3-ols, A-type dimeric procyanidins, and cranberry extract than to (-)-epicatechin-3-O- gallate and B-type dimeric procyanidins. Despite these findings, the strain was capable of rapidly degrading (-)-epicatechin-3-O-gallate, but not A- or B-type dimeric procyanidins. However, it was able to produce large changes in the phenolic profile of the cranberry extract mainly due to the catabolism of hydroxycinnamic and hydroxybenzoic acids. Of most relevance was the fact that L. plantarum IFPL935 cleaved the heterocyclic ring of monomeric flavan-3-ols, giving rise to 1-(3',4'-dihydroxyphenyl)-3-(2>,4>,6>- trihydroxyphenyl)propan-2-ol, activity exhibited by only a few human intestinal bacteria. © 2012 American Chemical Society.
Main Authors: | Sánchez-Patán, Fernando, Tabasco, Raquel, Monagas Juan, María Josefina, Requena, Teresa, Peláez, Carmen, Moreno-Arribas, M. Victoria, Bartolomé, Begoña |
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Other Authors: | Comunidad de Madrid |
Format: | artículo biblioteca |
Published: |
American Chemical Society
2012
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Subjects: | Cranberry extract, Grape seed extract, A-type procyanidins, B-type procyanidins, Flavan-3-ols, Microbial catabolism, Lactobacillus, |
Online Access: | http://hdl.handle.net/10261/101249 http://dx.doi.org/10.13039/501100004837 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100003339 http://dx.doi.org/10.13039/100012818 |
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