The Sourdough School

Baking eating and sharing bread to improve physical and mental health

Using a robust evidence-based baking protocol combining the evidence of thousands of years of baking with modern clinical insights, we offer comprehensive training to bakers and healthcare professionals, providing students with the tools to use baking in everyday practice as a wellness intervention.
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413 - ‘Prebiotic Effect of Lycopene and Dark Chocolate on Gut Microbiome with Systemic Changes in Liver Metabolism, Skeletal Muscles and Skin in Moderately Obese Persons’. BioMed Research International. 2019

Reference Number: 413

Year: 2019

Authors: Wiese, M. et al

Link: Link to original paper

Health: Gut Microbiome - Creating Healthier Bread to Support Optimal Gut Health | Weight Management

Nutrition: Lycopene | Prebiotic

Inclusions: Chocolate

Summary

Abstract

Lycopene-rich food and dark chocolate are among the best-documented products with a broad health benefit. This study explored the systemic effect of lycopene and dark chocolate (DC) on gut microbiota, blood, liver metabolism, skeletal muscle tissue oxygenation and skin. Thirty volunteers were recruited for this trial – 15 women and 15 men – with a mean age of 55 ± 5.7 years and with moderate obesity (30 < BMI < 35 kg/m2). They were randomised and divided into five equal interventional groups: three received different formulations of lycopene, one of them with a 7mg daily dose and two with 30mg; another group was given 10g of DC with 7mg lycopene embedded into its matrix; and the last group received 10g DC. The trial was double-blinded for the three lycopene groups and separately for the 2 DC groups, and lasted for 1 month. By the end of the trial, there were dose-dependent changes in the gut microbiota profile in all three lycopene groups, with an increase of relative abundance of, for example, Bifidobacterium adolescentis and Bifidobacterium longum. This was also accompanied by dose-dependent changes in the blood, liver metabolism, skeletal muscle and skin parameters. Consumption of DC resulted in increased relative abundance of, for example, Lactobacillus and a reduction of corneocyte exfoliation. This is the first study that reports the prebiotic potential of lycopene and DC.

What does this mean for a baker?

This is a very interesting study that provides an insight into how lycopene and dark chocolate are able to act as prebiotics to help support the function and growth of our positive gut microbes Bifidobacterium adolescentis and Bifidobacterium longum. Why not try adding some lycopene-rich foods, such as tomatoes, or some dark chocolate to your sourdough bakes? Our Margherita sourdough pizza is one of the simplest sourdough bakes you can try that includes tomatoes.

 

Qualify in Baking as Lifestyle Medicine

All reasonable care is taken when writing about health aspects of bread, but the information it contains 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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