Review
Copyright ©The Author(s) 2021.
World J Transplant. Mar 18, 2021; 11(3): 16-36
Published online Mar 18, 2021. doi: 10.5500/wjt.v11.i3.16
Table 1 Distribution of normal gut flora in different parts of intestine
Intestine sections
Function
Normal flora
StomachAcid production, pepsin, amylase, CFU < 103/mLLactobacillus; Streptococcus; Helycobacter pylori
Small intestine: duodenum, jejunumPancreatic enzymes, bicarbonate ions, bile salts, CFU: 103-104/mLLactobacilli; Enterococci; Streptococci; Actinobacteria
Small intestine: ileumCFU: 103-109/mLEnterococcus; Bacteroidetes; Lactobacillus; Clostridium; Corynebacteria
Large intestine: caecum, colonMucus and bicarbonate, CFU:1010-1012/mLBacteroidetes; Clostridium; Eubacterium; Ruminococcus; Streptococcus; Enterococcus; Lactobacillus; Fusobacteria