期刊
JOURNAL OF APPLIED MICROBIOLOGY
卷 133, 期 5, 页码 2941-2953出版社
OXFORD UNIV PRESS
DOI: 10.1111/jam.15747
关键词
butyric acid; functional foods; gut microbiota; healthy ageing; probiotics; short-chain fatty acids; Synbio (R)
资金
- Regione Marche [PORMARCHEFESR2014-2020--Asse1Os3Azione3.1]
The aim of this study was to assess the effects of a probiotic diet on the well-being of healthy seniors in Italy. The results showed that the probiotic group had a higher level of high-sensitivity C-reactive protein (HsCRP) and an increase in beneficial bacteria and short-chain fatty acids (SCFAs) compared to the placebo group. These findings indicate that a diet enriched with Synbio (R) can have a positive impact on the intestinal microbiota and promote healthy aging.
Aims: The aim of this work was to assess the effects of a probiotic diet on well-being of healthy seniors living in boarding and private homes in Marche Region, Italy. In particular, we focused on the modulation of high-sensitivity C-reactive protein (HsCRP), intestinal microbiota and short-chain fatty acids (SCFAs). Methods and Results: Ninety-seven healthy seniors took part in a double-blind, placebo-controlled feeding study (59 fed probiotics, 38 fed placebo) for 6 months. Each volunteer ingested daily one food product or a dietary supplement enriched with Synbio (R) blend (Synbiotec Srl, Camerino, Italy) or the placebo (control group). Blood and faecal samples were collected before and at the end of the intervention period to perform biochemical and microbiological analyses. The serum HsCRP difference value after 6 months of treatment was significantly higher in the probiotic group than placebo (p< 0.05). After the intervention, a significant increase in faecal lactobacilli and a bifidobacteria increase in more participants were observed in the probiotic group. The 16S NGS analysis on the probiotic group showed a decreasing trend of Proteobacteria at the end of the treatment and conversely, an increasing trend of Actinobacteria and Verrucomicrobia phyla, to which the increase of Akkermansiaceae and Bifidobacteriaceae contributes at the family level. Finally, total short-chain fatty acids (SCFAs) and butyric acid were significantly higher in the probiotic group at the end of the treatment respect to the beginning. Conclusions: Overall, this study emphasizes the beneficial anti-inflammageing effect of a prolonged diet based on functional foods enriched with Synbio (R) through the modulation of the intestinal microbiota and the consequent increase in the SCFA production. Significance and Impact of the Study: Synbio (R) integration in elderly daily diet may be a preventive strategy to support healthy ageing.
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