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See detailImpact of cooking and species on intestinal fermentation patterns of vegetables in a humanized in vitro model of the gastro-intestinal tract
Kalala Bolokango, Gaetan ULg; Kambashi Mutiaka, Bienvenu ULg; Njeumen Lemotio, Georges Patrick ULg et al

Poster (2016, June 21)

Obesity and associated pathologies have dramatic consequences on patients’lives as well as high societal costs. Because of the role of intestinal dysbiosis and microbiota make-up on the pathogenesis of ... [more ▼]

Obesity and associated pathologies have dramatic consequences on patients’lives as well as high societal costs. Because of the role of intestinal dysbiosis and microbiota make-up on the pathogenesis of obesity, several strategies such as eating prebiotics and dietary fibre supplements are being investigated to reshape the intestinal microbial communities of obese patients. Beyond supplement, dietary fibre is supplied through plant ingredients in the meals. In the framework of the multidisciplinary research project Food4Gut, the use of vegetables rich in specific targeted dietary fiber, namely fructans, is being scrutinized for its ability to induce positive changes in the intestinal ecophysiology. Because expected effect might differ according the content in dietary fibre and fructans, the soluble:insoluble ratio, as well as the cooking of the vegetables, the fermentation patterns of several vegetables are being investigated in an dual in vitro model combining enzymatic hydrolysis to an in vitro fermentation step using faecal inoculums from humans, to evaluate the performance of gut microbiota, modulation of metabolic functions. Six vegetables were sampled in triplicates (N=3) and steamed for 20 to 30 min.: Jerusalem artichoke, salsify, asparagus, pumpkin, fennel and swede. They were chosen because they display a variety of contents in fructans, soluble (SDF) and insoluble dietaryfibre (IDF). Steamed vegetable samplesand burgers from local fast food restaurants (negative control) were hydrolyzed in vitro why porcine pepsin and pancreatin to mimic digestion in the upper gut and indigested fiber residues were recover using a 6kDa dialysis membrane.Subsequently, in vitro fermentation is being run with independent fecal inoculums from obese and lean patients (N=4). Fermentation kinetics over 24h as well as short-chain fatty acid production and profiles will be compared according to the individual donor and the vegetable species and multivariate analysis will be used to explore the relationships between donor, vegetable species and composition and fermentation patterns. [less ▲]

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See detailRapport scientifique et technique final du projet HYDRASANTE
Boudry, Christelle ULg; François, Emmanuelle ULg; Nollevaux, Géraldine et al

Report (2013)

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See detailRapport scientifique et technique du projet HYDRASANTE (annee 3)
Boudry, Christelle ULg; François, Emmanuelle ULg; Nollevaux, Géraldine et al

Report (2013)

Detailed reference viewed: 25 (5 ULg)
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See detailWill isomalto-oligosaccharides, a well-established functional food in Asia, break through the European and American market? The status of knowledge on these prebiotics
Goffin, Dorothée ULg; Delzenne, Nathalie; Blecker, Christophe ULg et al

in Critical Reviews in Food Science & Nutrition (2011)

This critical review article present the current state of knowledge on isomaltooligosaccharides, some well known functional oligosaccharides in Asia, to evaluate their potential as emergent prebiotics in ... [more ▼]

This critical review article present the current state of knowledge on isomaltooligosaccharides, some well known functional oligosaccharides in Asia, to evaluate their potential as emergent prebiotics in the American and European functional food market. It includes first a unique inventory of the different families of compounds which have been considered as IMO and their specific structure. A description of the different production methods including the involved enzymes and their specific activities, the substrates and the types of IMO produced. Considering the structural complexity of IMO products, specific characterization methods are described as well as purification methods which enable the riddance of digestible oligosaccharides. Finally an extensive review of their techno-functional and nutritional properties enables to place IMO inside the growing prebiotic market. This review is of a particular interest considering that IMO commercialization in America and Europe is a topical subject due to the recent submission, by Bioneutra INC. (Canada), of a novel food file to the UK Food Standards Agency as well as several patents for IMO production. [less ▲]

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See detailEstablishing a Belgian Nutrition Society (BNS): Filling The Void
Cani, Patrice; Clarys, Peter; Clinquart, Antoine ULg et al

in Archives of Public Health (2009), 67

Detailed reference viewed: 84 (4 ULg)