期刊
JOURNAL OF FUNCTIONAL FOODS
卷 4, 期 4, 页码 954-962出版社
ELSEVIER
DOI: 10.1016/j.jff.2012.07.003
关键词
Probiotic bacteria; Potato starch; Intestinal bacteria; Tartaric acid; Dextrin
资金
- Polish Ministry of Science and Higher Education [N N312 3261 33]
Enzyme-resistant dextrin, obtained as a result of heating potato starch with tartaric acid, was tested as the carbon source for selected strains of probiotic bacteria and also bacteria isolated from feces of healthy 30-year old men volunteers. The dynamics of growth of bacterial monocultures in broth containing tartaric acid (TA)-modified dextrin was estimated. It was also investigated whether probiotic lactobacilli and bifidobacteria cultured with intestinal bacteria in the presence of resistant dextrin would be able to dominate the intestinal isolates. Prebiotic fermentation of resistant dextrin was analyzed using prebiotic index (PI). Fermentation products were determined by HPLC. It was shown that all of the tested bacteria were able to grow and utilize TA-modified dextrin as a source of carbon, albeit to varying degrees. In co-cultures of intestinal and probiotic bacteria, the environment was found to be dominated by the probiotic strains of Bifidobacterium and Lactobacillus, which is a beneficial effect. (C) 2012 Elsevier Ltd. All rights reserved.
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