Abstract
Complete enteral nutrition preparations include blenderised formulas based on natural foods with some fibre content and also low-residue polymeric formulas. This study examines the effect of the different fibre content of two commercial formulas (6.4 g/l and 0.25 g/l) on glycaemic and insulin response and hydrogen production in the colon during constant rate administration in 11 normal subjects. No difference in serum glucose and insulin levels was found. No rise in hydrogen production was detected with either formula suggesting no carbohydrate malabsorption. The quantity or nature of fibre present in blenderised formulas does not modify the pattern of carbohydrate absorption compared to a low-residue polymeric formula. However, this does not preclude other possible physiological effects of fibre content upon gastrointestinal motility and function.
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