Journal
QUIMICA NOVA
Volume 31, Issue 8, Pages 1990-U86Publisher
SOC BRASILEIRA QUIMICA
DOI: 10.1590/S0100-40422008000800014
Keywords
bovine rumen; extrusion; volatile compounds
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Funding
- FAPESP (Fundacao de Amparo a Pesquisa do Estado de Sao Paulo)
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The volatile compounds of raw and extruded bovine rumen, extracted by dynamic headspace, were separated by gas chromatography and analyzed by GC-MS. Raw and extruded materials presented thirty-two volatile compounds. The following compounds were identified in raw bovine rumen: heptane, 1-heptene, 4-methyl-2-pentanone, toluene, hexanal, ethyl butyrate, o-xylene, m-xylene, p-xylene, heptanal, limonene, nonanal, dodecane, tridecane, tetradecane, pentadecane, hexadecane, heptadecane and octadecane. The following compounds were identified in the extruded material: 1-heptene, 2,4-dimethylhexane, toluene, limonene, undecane, tetradecane, pentadecane, hexadecane, heptadecane, octadecane and nonadecane. Mass spectra of some unidentified compounds indicated the presence of hydrocarbons with branched chains or cyclic structure.
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