In vitro study of the prebiotic xylooligosaccharide (XOS) on the growth of Bifidobacterium spp and Lactobacillus spp

We recently demonstrated that XOS increased the counts of Bifidobacterium in vivo without increasing Lactobacillus in healthy adults. In the current study, we evaluated the effect of XOS on the growth of 35 Bifidobacterium and 29 Lactobacillus strains in in vitro conditions. Bacteria were identified...

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Bibliographic Details
Published in:International journal of food sciences and nutrition 2015-11, Vol.66 (8), p.919-922
Main Authors: Li, Zhaoping, Summanen, Paula H., Komoriya, Tomoe, Finegold, Sydney M.
Format: Article
Language:English
Subjects:
Bifidobacterium
Bifidobacterium - classification
Bifidobacterium - drug effects
Food science
Glucuronates - pharmacology
Lactobacillus
Lactobacillus - classification
Lactobacillus - drug effects
Obesity
Oligosaccharides - pharmacology
prebiotic
Prebiotics
Probiotics
Ribonucleic acid
RNA
RNA, Bacterial - genetics
RNA, Ribosomal, 16S - genetics
Sequence Analysis, RNA
xylooligosaccharide
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Summary:We recently demonstrated that XOS increased the counts of Bifidobacterium in vivo without increasing Lactobacillus in healthy adults. In the current study, we evaluated the effect of XOS on the growth of 35 Bifidobacterium and 29 Lactobacillus strains in in vitro conditions. Bacteria were identified by 16S rRNA sequence analysis. The growth stimulation was determined by agar dilution technique on plates containing two-fold serial dilutions of XOS (100-0.1 mg/ml). The growth of 86% of Bifidobacterium strains was stimulated at 1.56 mg/ml XOS and 100% at 6.25 mg/ml XOS. The growth of 38% of Lactobacillus strains was stimulated at 1.56 mg/ml XOS and 62% at 6.25 mg/ml XOS; 31% of Lactobacillus were not stimulated by XOS. Our results further suggest that XOS may be beneficial in stimulating intestinal Bifidobacterium without having much effect on Lactobacillus. The potential role for XOS in managing obesity should be investigated further.
ISSN:0963-7486
1465-3478
DOI:10.3109/09637486.2015.1064869