The Influence of Nutrients on Inflammatory Bowel Diseases

Table 1

Composition, functions, and sources of dietary fibre according to the division into fractions [9].

Dietary fibre fraction	Composition	Main functions	Dietary sources
Water-soluble	(i) β-Glucans; (ii) Pectin; (iii) Mucilage; (iv) Gums; (v) Certain hemicelluloses	(i) Slows the passage time of the chyme; (ii) Slows down the absorption of glucose into the blood; (iii) Increases the excretion of fats and cholesterol in the faeces; (iv) Nutrient for bacteria	Certain fruits and vegetables, dried legumes
Insoluble in water	(i) Cellulose; (ii) Certain hemicelluloses; (iii) Lignins	(i) Binds water, which increases the volume of chyme in the intestine; (ii) Mechanically irritates the wall of the colon; (iii) Binds excess hydrochloric acid in the stomach	Coarse milled cereal products