Review
Copyright ©The Author(s) 2024.
World J Methodol. Mar 20, 2024; 14(1): 89196
Published online Mar 20, 2024. doi: 10.5662/wjm.v14.i1.89196
Table 2 Distribution of normal gut flora in different parts of intestine
Intestine sections
Function
Normal flora
StomachAcid production, pepsin, amylase, CFU < 103/mLLactobacillus; Streptococcus; Helicobacter 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: Cecum, colonMucus and bicarbonate; CFU: 1010-1012/mLBacteroidetes; Clostridium; Eubacterium; Ruminococcus; Streptococcus; Enterococcus; Lactobacillus; Fusobacteria