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435 - ‘Acacia Gum is a Bifidogenic Dietary Fibre with High Digestive Tolerance in Healthy Humans’. Microbial Ecology in Health and Disease. Vol.15(1): 43-50

Reference Number: 435

Year: 2003

Authors: Christine Cherbut, Catherine Michel, Virginie Raison, Thierry Kravtchenko and Meance Severine

Link: Link to original paper

Health: Gut Microbiome - Creating Healthier Bread to Support Optimal Gut Health | Inflammatory bowel disease

Nutrition: Fibre | Prebiotic | Short chain fatty acids

Summary

The objective of the present study was to determine whether acacia gum (GUM) is a prebiotic fibre and to evaluate its intestinal tolerance in healthy subjects. The effects of increasing doses of GUM were compared to those of sucrose (SUC) on stool output, concentration of the main bacterial populations in stools, and occurrence and severity of intestinal symptoms (flatulence, bloating, abdominal cramps, diarrhoea). Ingestion of GUM 10 and 15 g/day for 10 days increased total lactic acid-producing bacteria and bifidobacteria counts in stools, without affecting total anaerobe and aerobe counts. The magnitude of this selective effect was greater in subjects with a low initial faecal concentration of bifidobacteria. Faecal digestibility of GUM was around 95% and its caloric value was estimated to range between 5.5 and 7.7 kJ/g. In addition, stool weight increased 30% because of greater faecal water content. Digestive tolerance of GUM was high and not statistically different from that of SUC up to a daily dose of 30 g. Above this dose, the main complaint was excessive flatulence. However, the mean degree of severity remained mild (<1), even at doses >50 g/day. Other intestinal events were rarely reported. Thus GUM is a very well tolerated dietary fibre with bifidogenic properties believed to benefit intestinal health.

 

Significance of this study to the sourdough baker:

This suggests that the addition of Acacia gum (GUM) to our blends may boost our intake of fibre and therefore benefit our intestinal health. The fibres in the Acacia gum are fermented by the gut bacteria to produce favourable short chain fatty acids (SCFA). SCFA enhance our gut health by improving the integrity of our gut wall. The Acacia gum here is also found to boost the levels of beneficial bacteria to enhance our gut and overall health.

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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