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| Content Provider | Springer Nature Link |
|---|---|
| Author | Dziedzic, Krzysztof Szwengiel, Artur Górecka, Danuta Gujska, Elżbieta Kaczkowska, Joanna Drożdżyńska, Agnieszka Walkowiak, Jarosław |
| Copyright Year | 2016 |
| Abstract | The influence of bile acid concentration on the growth of Bifidobacterium spp. and Lactobacillus spp. bacteria was demonstrated. Exposing these bacteria to the environment containing bile acid salts, and very poor in nutrients, leads to the disappearance of these microorganisms due to the toxic effect of bile acids. A multidimensional analysis of data in the form of principal component analysis indicated that lactic acid bacteria bind bile acids and show antagonistic effect on E. coli spp. bacteria. The growth in E. coli spp. population was accompanied by a decline in the population of Bifidobacterium spp. and Lactobacillus spp. with a simultaneous reduction in the concentration of bile acids. This is direct proof of acid binding ability of the tested lactic acid bacteria with respect to cholic acid, lithocholic acid and deoxycholic acid. This research demonstrated that the degree of fineness of wheat dietary fibre does not affect the sorption of bile acids and growth of some bacteria species; however, it has an impact on the profile of synthesized short-chained fatty acids. During the digestion of a very fine wheat fibre fraction (WF 90), an increase in the concentration of propionic and butyric acids, as compared with the wheat fiber fraction of larger particles - WF 500, was observed. Our study suggested that wheat fibre did not affect faecal bacteria growth, however, we observed binding of bile acids by Bifidobacterium spp. and Lactobacillus spp. |
| Starting Page | 151 |
| Ending Page | 157 |
| Page Count | 7 |
| File Format | |
| ISSN | 09219668 |
| Journal | Plant Foods for Human Nutrition |
| Volume Number | 71 |
| Issue Number | 2 |
| e-ISSN | 15739104 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2016-02-29 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Wheat fibre In vitro digestion Bile acids Faecal bacteria Short-chain fatty acids Food Science Chemistry/Food Science Nutrition Ecology Plant Physiology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Food Science |
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