Probiotics in hepatology

Table 1 Composition of the human gastrointestinal tract microflora (from Nord and Kager, 1984)

Microorganisms	Numbers of microorganisms (CFU/mL or CFU/g)
	Stomach	Jejunum	Ileum	Colon
Total bacterial count	0-103	0-105	103-109	1010-1012
Aerobically growing agents
Family enterobacteriaceae	0-102	0-103	102-107	104-1010
Streptococci	0-103	0-104	102-106	105-1010
Staphylococci	0-102	0-103	102-105	104-109
Lactobacilli	0-103	0-104	102-103	106-1010
Yeasts	0-103	0-102	102-104	104-106
Anaerobic bacteria
Bacteroides	Rare	0-103	103-107	1010-1012
Bifidobacteria	Rare	0-104	103-109	104-1011
Peptostreptococci	Rare	0-103	102-106	1010-1012
Clostridia	Rare	Rare	102-104	106-1011
Eubacteria	Rare	Rare	Rare	1010-1012