Table 1.

Intestinal microbiota in the gastrointestinal compartments

Gastrointestinal tract	Microbiota
Oesophagus	Streptococcus, Prevotella, Veilonella
Stomach	Streptococcus, Staphylococcus, Lactobacillus, Helicobacter pylori
Duodenum	Streptococcus, Staphylococcus, Lactobacillus, Helicobacter pylori, Veilonella, Yeasts
Jeiunum	Streptococcus, Staphylococcus, Lactobacillus, Helicobacter pylori, Veilonella, Yeasts
Ileum	Bifidobacterium, Bacteroides, Veilonella, Clostridium, Enterobacteriacea
Colon	Bacteroides, Bifidobacterium, Clostridium, Streptococcus, Ruminococcus, Peptostreptococcus, Eubacterium, Faecalibacterium