Diet composition (g/kg, dwb) and percentage energy (E%) of the diets.

1Containing (g/kg, dwb): 200 casein (Sigma Aldrich, St. Louis, MO, USA), 50 rapeseed oil (Zeta, Stockholm, Sweden), 1.2 DL-methionine (Sigma Aldrich, St. Louis, MO, USA), 100 sucrose (Nordic sugar, Copenhagen, Denmark), 8 vitamin mixture§, 2 choline chloride (Sigma Aldrich, St. Louis, MO, USA), 48 mineral mixture‡.
†Corresponding to the content of dietary fibre in pectin and guar gum which was 800 g/kg (dwb) and 910 g/kg (dwb), respectively.
§Containing (g/kg): 0.62 menadione, 2.5 thiamin hydrochloride, 2.5 riboflavin, 1.25 pyridoxine hydrochloride, 6.25 calcium pantothenate, 6.25 nicotinic acid, 0.25 folic acid, 12.5 inositol, 1.25 p-aminobenzoic acid, 0.05 biotin, 0.00375 cyanocobalamin, 0.187 retinol palmitate, 0.00613 calciferol, 25 d-α-tocopheryl acetate, 941.25 maize starch (Lantmännen, Stockholm, Sweden).
‡Containing (g/kg): 0.37 CuSO4·5H2O, 1.4 ZnSO4·7H2O, 332.1 KH2PO4, 171.8 NaH2PO4·2H2O, 324.4 CaCO3, 0.068 KI, 57.2 MgSO4, 7.7 FeSO4·7H2O, 3.4 MnSO4·H2O, 0.02 CoCl·6H2O, 101.7 NaCl, 0.019 chromium(III)chloride and 0.011 sodium selenate.
¥ Norfoods Sweden AB, Malmö, Sweden, varied according to the dietary fibre content of the test materials.