Microbiota, dietary habits and diet in inflammatory bowel disease

Crohn's disease and Ulcerative Colitis correspond to Inflammatory Bowel Diseases (IBD). At present, its cure is not known, however nutrition is a fundamental pillar in treatment due to its ability to reduce gastrointestinal symptoms. Food has an impact on intestinal microbiota (IM), as the Western Diet is associated with a change in microbiota biodiversity. In this sense, IM could have a role in the pathogenesis of the disease, since there is a decrease in biodiversity and an increase in bacteria that could favor inflammation and generate a decrease in the production of short-chain fatty acids. In IBD, eating habits tend to be restrictive and nutritional status is characterized by malnutrition, loss of muscle mass, sarcopenia, and vitamin D and iron deficiency. Therefore, during periods of remission, feeding should not be restricted. In periods of crisis, exclusion diets decrease specific symptoms and nutrients such as anthocyanins and w-3 fatty acids could have an effect on inflammation.