Applications of Probiotic Bacteria and Dairy Foods in Health
2017
ROSA DO CARMO, Fillipe Luiz | Rabah, Houem | Fernandes Cordeiro, Bárbara | Da Silva, Sara Heloisa | Jan¨, Gwénaël, | Azevedo, Vasco A | de Oliveira Carvalho, Rodrigo Dias
The intestinal microbiota composition has a great impact on physiology and health, since commensal bacteria are crucial to maintain homeostasis and immune regulation of the gut. Consequently, disturbances of this microbiota, a process known as dysbiosis, have severe implications for the host health such as the rise of many gastrointestinal (GI) problems; including inflammatory disorders like the Inflammatory Bowel Diseases (IBD), mucositis, as well as colorectal cancer (CRC). The consumption of probiotics with beneficial effects is a promising tool to help treating such disorders. Indeed, they modulate diverse biological mechanisms involved in GI homeostasis and have been commonly used to reduce such disorders. In this chapter, we present the molecular mechanisms triggered by probiotic bacteria to modulate the gut physiology during gastrointestinal disorder and the importance of the gastrointestinal stresses tolerance as a limiting factors for probiotic application. Moreover, we focus on the emergence of functional probiotic foods, which can act as excellent vehicles, by enhancing stress tolerance and providing a protective matrix towards digestive stresses.
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