The bacterial mass that is formed from the high-fermentable substances (pectins), the residues of the less fermentable polymers (cellulose and hemicelluloses) and the water retained by them, are responsible for the increase of the faecal bulk.
The bacterial mass that is formed from the high-fermentable substances (pectins), the residues of the less fermentable polymers (cellulose andhemicelluloses) and the water retained by them, are responsible for the increase of the faecal bulk.