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  • Title: Effect of fat emulsion (Fabuless) on orocecal transit time in healthy men.
    Author: Haenni A, Sundberg B, Yazdanpandah N, Viberg A, Olsson J.
    Journal: Scand J Gastroenterol; 2009; 44(10):1186-90. PubMed ID: 19672787.
    Abstract:
    BACKGROUND: Given the growing prevalence of overweight and related health consequences, there is increased interest in the search for novel dietary strategies for weight control. A food ingredient, an emulsion based on palm and oat oil (Fabuless, previously known as Olibra), has been associated with short-term reductions of food intake, induction of satiety, alternation in the satiety hormones, as well as long-term effects on weight control. The mechanism by which it can exert these effects is so far unclear, though it has been suggested that the "ileal break" may play a role in increasing gastrointestinal transit time. The aim of this study was to investigate the effects of this stable fat emulsion on orocecal transit time in healthy men. MATERIAL AND METHODS: In a controlled, double-blind, cross-over-designed study, 15 healthy men (aged 20-59 years, body mass index (BMI) 22-28), randomly allocated to two treatments, consumed the stable fat emulsion or a milk fat in yoghurt during two days of investigation, with an interval of 1 week. Orocecal transit time was determined by following blood sulfapyridine levels, which is a metabolite of salazopyrine in the colon. RESULTS: A statistically significant delay in the appearance of sulfapyridine in serum was obtained after active treatment versus control treatment, corresponding to a 45-min longer orocecal transit time due to fat emulsion consumption. CONCLUSIONS: This study provides the first evidence to suggest that this stable fat emulsion may affect the ileal brake mechanism by slowing down the gastrointestinal transit time, which might explain the weight control and appetite suppression previously observed in association with this emulsion.
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