期刊
JOURNAL OF FUNCTIONAL FOODS
卷 2, 期 3, 页码 219-224出版社
ELSEVIER
DOI: 10.1016/j.jff.2010.05.001
关键词
Konjac glucomannan; Hydrolysate; Inulin; Prebiotic; Intestinal microflora; Functional food
资金
- Food microbial sciences unit at University of Reading, United Kingdom
The prebiotic potential of a konjac glucomannan hydrolysate (GMH) was investigated in vitro using batch cultures inoculated with human faeces. Bacterial enumeration was carried out using the culture independent technique, fluorescent in situ hybridisation (FISH), and short chain fatty acid (SCFA) production was monitored by gas chromatography. The populations of Bifidobacterium genus, Lactobacillus-Enterococcus group and the Atopobium group all significantly increased after GMH and inulin fermentation. The Bacteroides-Prevotella group had a lower end population after GMH fermentation while inulin gave an increase, although these differences were not significant. No significant differences in SCFA concentrations were observed between inulin and GMH. As with inulin, GMH produced selective stimulation of beneficial gut microbiota and a favourable SCFA profile. In order to confirm a beneficial effect of GMH further in vivo studies involving healthy human volunteers should be considered. (C) 2010 Elsevier Ltd. All rights reserved.
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