The Sourdough School

Centre of Research & Education in Nutrition & Digestibility of Bread & the Gut Microbiome

Over 25 years ago Vanessa Kimbell recognised that that bread that we eat every day has a powerful, influence on our health. She pioneered an evidence-based approach, reframing the way we bake and eat bread as lifestyle medicine. The Sourdough School was founded to provide groundbreaking education, research and development programmes to support the baking and healthcare sectors.
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467 - ‘White and dark kidney beans reduce colonic mucosal damage and inflammation in response to dextran sodium sulfate’. Journal of Nutritional Biochemistry. 26(7):752-60

Reference Number: 467

Year: 2015

Authors: Jennifer M Monk, Claire P Zhang, Wenqing Wu, Leila Zarepoor, Jenifer T Lu , Ronghua Liu, K Peter Pauls, Geoffrey A Wood, Rong Tsao, Lindsay E Robinson, Krista A Power

Link: Link to original paper

Health: Cardiometabolic diseases | Gut Microbiome | Inflammation | Lower Inflammation | Metabolic syndrome

Nutrition: Anthocyanins | Antioxidants | Fibre | Minerals | Polyphenols | Prebiotic | Short chain fatty acids

Inclusions: Legumes

Summary

Common beans are a rich source of nondigestible fermentable components and phenolic compounds that have anti-inflammatory effects. We assessed the gut-health-promoting potential of kidney beans in healthy mice and their ability to attenuate colonic inflammation following dextran sodium sulphate (DSS) exposure (via drinking water, 2% DSS w/v, 7 days). C57BL/6 mice were fed one of three isocaloric diets: basal diet control (BD), or BD supplemented with 20% cooked white (WK) or dark red kidney (DK) bean flour for 3 weeks. In healthy mice, anti-inflammatory microbial-derived cecal short chain fatty acid (SCFA) levels (acetate, butyrate and propionate), colon crypt height and colonic Mucin 1 (MUC1) and Resistin-like Molecule beta (Relm?) mRNA expression all increased in WK- and DK-fed mice compared to BD, indicative of enhanced microbial activity, gut barrier integrity and antimicrobial defense response. During colitis, both bean diets reduced (a) disease severity, (b) colonic histological damage and (c) increased mRNA expression of antimicrobial and barrier integrity-promoting genes (Toll-like Receptor 4 (TLR4), MUC1-3, Relm? and Trefoil Factor 3 (TFF3)) and reduced proinflammatory mediator expression [interleukin (IL)-1?, IL-6, interferon (IFN)?, tumor necrosis factor (TNF)? and monocyte chemoattractant protein-1], which correlated with reduced colon tissue protein levels. Further, bean diets exerted a systemic anti-inflammatory effect during colitis by reducing serum levels of IL-17A, IFN?, TNF?, IL-1? and IL-6. In conclusion, both WK and DK bean-supplemented diets enhanced microbial-derived SCFA metabolite production, gut barrier integrity and the microbial defensive response in the healthy colon, which supported an anti-inflammatory phenotype during colitis. Collectively, these data demonstrate a beneficial colon-function priming effect of bean consumption that mitigates colitis severity.

Significance of this study to the baker:

The common bean has many varieties such as the Red kidney beans (Phaseolus vulgaris). We use Red Kidney beans within our botanical blends here at the Sourdough School.

Although there are no human studies to date, evidence in mice provided here, find consumption of this bean improves gut health with increased levels of short chain fatty acids, and overall anti-inflammatory effect in the gastrointestinal tract.

These beans provide a rich source of dietary starch, fibre and protein including minerals such as folate, iron and magnesium. They are historically used in Indian cuisine and also in areas of America with Caribbean heritage. The raw beans can be toxic if they are not pre-soaked and heated to boiling point for at least 10 minutes. Due to the rich red colour, they are also high in polyphenols such as anthocyanins and therefore have been linked to antioxidant activity and potential health benefits such as lowering risk for cardiovascular disease and cancer.

See our online learning course on The Sourdough Club

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.

THE GENDER GAP IN HEART DIAGNOSIS
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According to a report by the British Heart Foundation, more than 8,200 women died needlessly over a ten year period due to inequalities in the diagnosis and treatment of heart disease. Concerningly, women fare worse at every stage in their health journey for heart disease globally. 
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DID YOU KNOW?
-	Women get half as much heart attack treatment as men 
-	Women are 50% more likely to receive a wrong initial diagnosis than their male counterpart, increasing the risk of death by as much as 70%
-	Women are less likey than men to recieve standard treatments such as bypass surgery
We can and must do better, starting by tackling the false- and deadly- assumption that women are not at risk of heart attacks. In reality, women are twice as likely to die from coronary heart disease than breast cancer.
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🌾Whole Grain Consumption And Heart Disease Protection
There is a robust body of evidence that suggests whole grains can protect against coronary heart disease, alongside obesity and colorectal cancer.
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❤️ According to a senior dietician at the British Heart Foundation: "Eating more whole grains is a simple change we can make to improve our diet and help lower our risk of heart and circulatory disease." Opting for wholemeal or granary in favour of refined white bread is a simple, effective way to increase your whole grain and fibre intake. #hearthealth #healthyheart #wholegrain #feedthecells #lifestylemedice #bake2give1 #wholegrainbread #internationalwomensday
A NEW APPROACH

👉🏻 For the past 3 years we’ve been working on something incredible … prescription sourdough bread making courses for our @sourdoughclub members 

📈We have had amazing advances in healthcare, but there is no pill to cure poor diet. The best medicine is prevention via a healthy lifestyle, and many studies have shown that people who eat healthily and exercise regularly sleep better, have less anxiety and depression, have more energy, and lower their risk of chronic illness overall.

🙌 Vanessa’s work on Bread & the Impact on the Gut Microbiome has been turned into something extraordinary. Prescription bread-making courses as a lifestyle intervention, and the Bread Protocol we teach here is designed to address the way you live, exploring behaviour related to nutrition, physical activity, stress management, sleep, social support and environmental exposures. These courses are 12 weeks long, and designed to maintain health and prevent disease not just in individuals bit in patients and populations, so we have 2 ways to enrol on a course: 

1️⃣ SOCIAL PRESCRIPTION 
If your doctor or healthcare practitioner is one of  our Sourdough School graduates and they feel that this bread-making prescription course is something that will improve your health, then they may can prescribe the course for you as a social prescription free.

2️⃣ SELF PRESCRIPTION 
You can self-prescribe these courses by enrolling yourself on a course to improve your health and wellbeing.

📰 If you are interested in learning more about the prescription courses then please sign up to the newsletters as we will be announcing their launch over the coming weeks and months. 

@vanessakimbell
@drmiguelmateas 
@dralexdavidson 
@dksherratt 

#lifestylemedicine #preventativemedicine #systemschange #socialprescribingday #socialprescribing
IN 2016 WE TESTED BLOOD SUGAR RESPONSE TO OUR PUMP IN 2016 WE TESTED BLOOD SUGAR RESPONSE TO OUR PUMPKIN SOURDOUGH IN THE  CLASSES

Our students measured their responses throughout the #breadandguts #sourdoughschool & @vanessakimbell wrote the recipe up in her bestselling Sourdough School book.

✨ So good to read that a recent 2021 study on Glycaemic and Appetite Suppression Effect of a Vegetable-Enriched Bread ( mentioned by @theguthealthdoctor today see last slide ) where researchers looked at the impacts of veg-enriched bread compared to  commercial white bread and commercial brown bread on the insulin levels of people participating. 

The results showed that when the participants ate the veg bread they reported feeling more satiation versus when they ate the white or brown bread. 

👆🏼They also experienced a lower insulin response with the vegetable bread. 
essentially translating this science into practice before it was trendy 😂👆🏼👍

This image is taken from the @sourdoughschool book by @vanessakimbell, produced by @kylebooksuk, with photography by @nassimarothacker, styled by @season_adam & with foreword by @richardhartbaker
DID YOU KNOW WE HAVE AN ONLINE SHOP & CAN PURCHASE DID YOU KNOW WE HAVE AN ONLINE SHOP & CAN PURCHASE MY WHITE SOURDOUGH STARTER?
(with worldwide delivery)
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I have several sourdough starters but The French white starter is one that I have been using since I was 11 years old and originates in the bakery I grew up baking within France. It takes a bit longer to reach it’s peak and is generally slower and sweeter, and much more forgiving of being neglected for a week, so the one I recommend for beginners. ⠀⠀⠀⠀⠀⠀⠀⠀⠀
We have verbal confirmation that the starter originated over 115 years ago and If you swipe right in the video you can listen to me chatting to one of the older residents of the village confirming that bakery did not shut during the war either .. & it has been maintained ever since... it’s a lovely story. Although the microbes double every 20 – 30 minutes when they are refreshed ... so it is either over a century old or 30 minutes old depending on how you want to look at it. ⠀⠀⠀⠀⠀⠀⠀⠀⠀
You can purchase a pot of my starter, along with a grey moon kilner jar & a mini video course on looking after your starter. 
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TAP THE PICTURE TO SHOP.
 
Swipe right to see the amazing video of the French bakery where the starter originated from @vanessakimbell has been baking with this starter for over 20 years … and first baked almost 40 years ago with it …#romantic 
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#breadbosses #breadporn #flourwatersalt #breadtalk #bread #breadstagram #sourdough #sourdoughschool #bread #sourdoughlove #sourdoughlover #naturalleavened #leavening #levain #realbread #breadmaking #bakebread #makebread #makerealbread #learntobakebread #breadmakingclass #sourdoughstories #bakingforlove #bakingtherapy #sourdoughbaking #bannetons #bakery
UNDERSTANDING SOURDOUGH … starts, not in the bak UNDERSTANDING SOURDOUGH …
starts, not in the bakery, but in the soil.
#sourdough
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