The Sourdough School

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Learn to bake, eat, and share the healthiest bread in the world. Discover how to bake as Lifestyle Medicine from the walled gardens of Dr Vanessa Kimbell’s beautiful Victorian home in rural Northamptonshire in the UK, where we train healthcare professionals, teach bakers, and support individuals to bake personalised bread using nutrigenetics and gut health assessments.

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528 - ‘The gut microbiome in feast and famine’. Nature Reviews Gastroenterology & Hepatology. ahead of print

Reference Number: 528

Year: 2021

Authors: Hannah D Holscher

Link: Link to original paper

Health: Gut Microbiome - Creating Healthier Bread to Support Optimal Gut Health

Nutrition: Fibre

Summary

Dietary fibre supports gut health and microbial ecology. Thus, characterizing the effects of inadequate fibre and intake of specific fibre formulations on the gut microbiome provides necessary information to move us towards diet–microbiome target treatments to support health.

Refers to von Schwartzenberg, R. J. et al. Caloric restriction disrupts the microbiota and colonization resistance. Nature 595, 272–277 (2021) | Delannoy-Bruno, O. et al. Evaluating microbiome-directed fibre snacks in gnotobiotic mice and humans. Nature 595, 91–95 (2021).

Significance of this study to the baker:

This article provides some interesting latest insights into the effect of dietary fibre on our gut microbiome. Firstly, one study discussed includes women who are placed on a low calorie diet. The result is that their abundance of microbes in their gut diminishes, along with the important levels of short chain fatty acids. They do find that Akkermansia however, increase. On the flip side, they look at another recent study on both mice and humans. The small number of overweight humans consuming poor diets are supplemented with fibre. An enrichment of their gut microbiome if found post this supplementation. This image below from this very article helps visualise this for us. Further studies are still needed, although this highlights the understanding that ‘we are what we eat’.

 

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All reasonable care is taken when advising about health aspects of bread, but the information that we share is not intended to take the place of treatment by a qualified medical practitioner. You must seek professional advice if you are in any doubt about any medical condition. Any application of the ideas and information contained on this website is at the reader's sole discretion and risk.

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