期刊
INTERNATIONAL JOURNAL OF FOOD SCIENCES AND NUTRITION
卷 69, 期 2, 页码 144-154出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/09637486.2017.1340932
关键词
SCFA; Lactobacillus; Bifidobacterium; rice fibre
资金
- Asian Development Bank
This study compared the rate of short chain fatty acid (SCFA) production by different probiotic combinations of Lactobacillus and Bifidobacterium to determine any synergistic effects. Six different fibre fractions were fermented with nine combinations of Lactobacillus rhamnosus (LR), Lactobacillus acidophilus (LA), Bifidobacterium longum (BL) and Bifidobacterium breve (BB) for 0, 6, 24 and 48h. SCFAs were quantified by gas chromatography. Inter-genus combinations of bacteria produced more SCFA, especially BB+BL+LR, compared to intra-genus that yielded the lowest SCFA production. Acetate was the most abundant, while propionate and butyrate were the most utilised. The SCFA formation was as acetate > propionate > butyrate and the total dietary fibre produced most of the SCFA. Most combinations utilised 60-80% of the fibre; BB+BL+LR digested the fibre completely. The quantity, pattern and the time of release of SCFA depends on the genus, but the combination of pre and probiotics is of great importance for the outcome.
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