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Phenolic and tannin compounds in subtropical shrubs (Bituminaria bituminosa, Chamaecytisus proliferus, and Adenocarpus foliosus) and the effects on in vitro digestibility

Ventura M.R., Bastianelli Denis, Deniz S., Saavedra P., Rey L., Bonnal Laurent, Gonzalez-Garcia Eliel. 2019. Phenolic and tannin compounds in subtropical shrubs (Bituminaria bituminosa, Chamaecytisus proliferus, and Adenocarpus foliosus) and the effects on in vitro digestibility. Tropical Animal Health and Production, 51 (6) : pp. 1757-1761.

Journal article ; Article de recherche ; Article de revue à facteur d'impact
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Quartile : Q2, Sujet : VETERINARY SCIENCES / Quartile : Q3, Sujet : AGRICULTURE, DAIRY & ANIMAL SCIENCE

Abstract : The objective of this study was to contribute to the characterization of nutritional potentials, with special attention to the total phenol and condensed tannins content and the effects on in vitro digestibility of some browsing shrub legumes traditionally used for ruminant feeding. The varieties selected were Bituminaria bituminosa var. bituminosa (BBB), Bituminaria bituminosa var. albormaginata (BBA), Chamaecytisus proliferus var. palmensis (CPP), Chamaecytisus proliferus var. canariae (CPC), and Adenocarpus foliosus (AF). Chemical composition, in vitro digestibility, and net energy for lactation (NE) were analyzed and compared among varieties; the effects of total phenol (TP) and condensed tannins (CT) compounds on digestibility were estimated. Condensed tannins ranged from 1 to 5 g/kg DM of tannins, while total phenols ranged from 9 to 32 g/kg DM of tannins. In vitro organic matter digestibility (OMD) ranged from 0.52 to 0.71, and estimated net energy for lactation (NE) ranged from 4.2 to 5.8 MJ/kg DM, with significant differences among all the varieties. This Chamaecytisus varieties (CPC, CPP) have higher feeding values, following CPC > CPP > AF > BBB > BBA in order. Although there were condensed tannins and total phenols in all the shrubs analyzed, total phenol contents differed significantly between the shrubs. The effect of the content of the total phenols and of the tannins condensed in the OMD of the varieties of shrubs analyzed, shows that the higher amounts of total phenols in some of the varieties of shrubs analyzed, increased the in vitro digestibility (OMD) of the shrubs but high amounts of CT decreased OMD.

Mots-clés Agrovoc : Alimentation au pâturage, Plante d'abroutissement, Composition chimique, Tannin, Digestibilité in vitro, Plante ligneuse

Mots-clés complémentaires : Bituminaria bituminosa, Chamaecytisus proliferus, Adenocarpus foliosus

Mots-clés libres : Tanins, Digestibilité, Ligneux, Alimentation des animaux

Classification Agris : L02 - Animal feeding
F60 - Plant physiology and biochemistry

Champ stratégique Cirad : CTS 7 (2019-) - Hors champs stratégiques

Auteurs et affiliations

  • Ventura M.R., University of Las Palmas (ESP) - auteur correspondant
  • Bastianelli Denis, CIRAD-ES-UMR SELMET (FRA) ORCID: 0000-0002-6394-5920
  • Deniz S., University of Las Palmas (ESP)
  • Saavedra P., University of Las Palmas (ESP)
  • Rey L.
  • Bonnal Laurent, CIRAD-ES-UMR SELMET (FRA) ORCID: 0000-0001-5038-7432
  • Gonzalez-Garcia Eliel, INRA (FRA)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/591163/)

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