Characterization of Lignin before and after Exposure to the Gastrointestinal Tract of Ruminants

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dc.creatorEloísa de Oliveira Simóes Saliba
dc.creatorDorila Piló Veloso
dc.creatorE. A. Capanema
dc.creatorJaqueline Simões Saliba
dc.creatorAna Luiza da Costa Cruz Borges
dc.creatorLúcio Carlos Gonçalves
dc.creatorIran Borges
dc.creatorDiogo Gonzaga Jayme
dc.creatorRicardo Reis Silva
dc.date.accessioned2024-04-12T20:17:16Z
dc.date.accessioned2025-09-09T00:34:06Z
dc.date.available2024-04-12T20:17:16Z
dc.date.issued2016-10-27
dc.format.mimetypepdf
dc.identifier.doi10.4236/ajac.2016.711067
dc.identifier.issn2156-8278
dc.identifier.urihttps://hdl.handle.net/1843/67142
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofAmerican Journal of Analytical Chemistry
dc.rightsAcesso Aberto
dc.subjectLignina
dc.subjectRuminante
dc.subjectEucalyptus Grandis
dc.titleCharacterization of Lignin before and after Exposure to the Gastrointestinal Tract of Ruminants
dc.typeArtigo de periódico
local.citation.epage753
local.citation.spage748
local.citation.volume7
local.description.resumoThe aim of this study was to investigate the structural composition of lignin (LIPE®) extracted from Eucalyptus grandis, before and after exposure to the gastrointestinal tract of ruminants. For this study lignin was isolated, purified and characterized using 1H and 13C Nuclear Magnetic Resonance Spectroscopy, nitrobenzene oxidation, functional groups analysis and gas chromatography with mass spectroscopy. To have a better understanding of lignin morphology and of its ultra structure, electron microscopy in wood cell wall was utilized. The lignin fecal samples showed similar 1H NMR spectrums and nitrobenzene oxidation products compared with LIPE®. The result of the microanalysis of LIPE® was similar to data shown in the literature. The ultra structure of lignin was similar to that of Bamboo (hard wood). The lignin isolated from feces of sheep was identical to the original LIPE®, which means that this product can be used as an external marker in protein digestibility in sheep.
local.publisher.countryBrasil
local.publisher.departmentVET - DEPARTAMENTO DE ZOOTECNIA
local.publisher.initialsUFMG
local.url.externahttps://www.scirp.org/journal/paperinformation?paperid=71528

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