Article (Scientific journals)
Chicory root and inulin stimulate butyrate-producing bacterial communities in an in vitro model of the piglet's gastro-intestinal tract
Uerlings, Julie; Schroyen, Martine; Bindelle, Jérôme et al.
2021In Bioactive Carbohydrates and Dietary Fibre, 26
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Keywords :
By-products; Fermentation; In vitro; Microbiota; Pig
Abstract :
[en] Nutritional management is a promising strategy to alleviate intestinal disorders around weaning in pig production. By-products from the agro-industrial sector are major sources of dietary fibres suitable for livestock feeding and could represent potential prebiotic candidates to modulate beneficial microbiota populations and especially butyrate-producing bacteria. In the present study, chicory root and pulp, citrus pulp, rye bran and soybean hulls were tested in an in vitro batch fermentation model for their microbiota-modulating capacities in comparison to inulin, considered as positive prebiotic control. The microbiota composition in the broths after 6, 12 and 24 h of fermentation was analysed using 16S rRNA gene sequencing. After 24 h, the fermentation of chicory root led to a rise in Firmicutes relative abundance, similar to inulin. Enriched Eubacterium spp. and Ruminococcus spp. levels were found for chicory root and inulin at each of the three time-points in comparison to the other ingredients. These two genera were positively correlated to butyrate production after 12 and 24 h. The tested by-products showed increased levels of Bacteroidetes after 6 h compared to inulin. At each time-point, higher relative proportions of Bacteroides spp. were found with the by-products in comparison to inulin. We can therefore suppose that inulin and chicory root supplementations promoted the Firmicutes phylum by stimulating butyrate-producing bacteria in vitro. Chicory root and inulin could therefore be considered as prebiotic ingredients to modulate butyrate production in vivo, with beneficial effects on intestinal health. © 2021
Disciplines :
Animal production & animal husbandry
Author, co-author :
Uerlings, Julie ;  Precision Livestock and Nutrition Unit, TERRA Teaching and Research Centre, Gembloux Agro-Bio Tech, ULiège, Passage des déportés, 2, Gembloux, 5030, Belgium, Research Foundation for Industry and Agriculture, National Scientific Research Foundation (FRIA-FNRS), Rue d'Egmont 5, Brussels, 1000, Belgium
Schroyen, Martine  ;  Université de Liège - ULiège > Département GxABT > Département GxABT
Bindelle, Jérôme  ;  Université de Liège - ULiège > Département GxABT > Ingénierie des productions animales et nutrition
Bruggeman, Geert;  Royal Agrifirm Group, Landgoedlaan 20, 7325 AW Apeldoorn, Netherlands
Everaert, Nadia ;  Université de Liège - ULiège > Département GxABT > Ingénierie des productions animales et nutrition
Language :
English
Title :
Chicory root and inulin stimulate butyrate-producing bacterial communities in an in vitro model of the piglet's gastro-intestinal tract
Publication date :
2021
Journal title :
Bioactive Carbohydrates and Dietary Fibre
ISSN :
2212-6198
Publisher :
Elsevier Ltd
Volume :
26
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
Fonds De La Recherche Scientifique - FNRS, FNRS: 31248729, ID33848511Fonds pour la Formation à la Recherche dans l’Industrie et dans l’Agriculture, FRIA
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since 21 June 2021

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