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Lookup NU author(s): Dr Dave Houghton, Dr Matt WilcoxORCiD, Dr Iain Brownlee, Dr Peter Chater, Emeritus Professor Chris SealORCiD, Professor Jeffrey Pearson
This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).
Lifestyle interventions and physical activity remain the cornerstone of obesity management, as pharmacological therapies (orlistat) are associated with gastrointestinal (GI) side effects. Combining orlistat with fibers can reduce side effects, improving compliance. Therefore, a fiber that inhibits lipase without side effects could help treat obesity. The aims of the present work were to assess whether alginate enriched bread could inhibit fat digestion, and assess the acceptability of alginate bread and its effect on GI wellbeing.A double-blind, randomised, controlled cross-over pilot study (NCT03350958) assessed the impact of an alginate bread meal on; lipid content in ileal effluent and circulating triacylglycerol levels. This was compared against the same meal with non-enriched (control) bread.GI wellbeing and acceptability of alginate bread was compared to control bread through daily wellbeing questionnaires and food diaries (NCT03477981). Control bread followed by alginate bread were consumed for two weeks respectively.Consumption of alginate bread reduced circulating triacylglycerol compared to control (2% reduction in AUC) and significantly increased lipid content in ileal effluent (3.8g±1.6 after 210 min).There were no significant changes to GI wellbeing when comparing alginate bread to control bread. A significant increase in the feeling of fullness occurred with alginate bread compared to baseline and the first week of control bread consumption.This study showed that sustained consumption of alginate enriched bread does not alter GI wellbeing and can decrease lipolysis, increasing lipid leaving the small intestine. Further studies are required to demonstrate that reduced fat digestion through the action of alginate can reduce fat mass or body weight.
Author(s): Houghton d, Wilcox MD, Brownlee IA, Chater PI, Seal CJ, Pearson JP
Publication type: Article
Publication status: Published
Journal: Food Hydrocolloids
Year: 2019
Volume: 93
Pages: 395-401
Print publication date: 01/08/2019
Online publication date: 14/02/2019
Acceptance date: 14/02/2019
Date deposited: 26/02/2019
ISSN (print): 0268-005X
ISSN (electronic): 1873-7137
Publisher: Elsevier BV
URL: https://doi.org/10.1016/j.foodhyd.2019.02.027
DOI: 10.1016/j.foodhyd.2019.02.027
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