Effect of some essential oils on in vitro methane emission
Contribuinte(s) |
UNIVERSIDADE DE SÃO PAULO |
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Data(s) |
18/10/2012
18/10/2012
2011
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Resumo |
The objectives of this study were to characterise four essential oils (EO) chemically and to evaluate their effect on ruminal fermentation and methane emission in vitro. The investigated EO were isolated from Achillea santolina, Artemisia judaica, Schinus terebinthifolius and Mentha microphylla, and supplemented at four levels (0, 25, 50 and 75 l) to 75ml of buffered rumen fluid plus 0.5 g of substrate. The main components of the EO were piperitone (49.1%) and camphor (34.5%) in A. judaica, 16-dimethyl 15-cyclooactdaiene (60.5%) in A. santolina, piperitone oxide (46.7%) and cis-piperitone oxide (28%) in M. microphylla, and -muurolene (45.3%) and -thujene (16.0%) in S. terebinthifolius. The EO from A. santolina (at 25 and 50 l), and all levels of A. judaica increased the gas production significantly, but S. terebinthifolius (at 50 and 75 l), A. santolina (at 75 l) and all levels of M. microphylla decreased the gas production significantly in comparison with the control. The highest levels of A. santolina and A. judaica, and all doses from M. microphylla EO inhibited the methane production along with a significant reduction in true degradation of dry matter and organic matter, protozoa count and NH3-N concentration. It is concluded that the evaluated EO have the potential to affect ruminal fermentation efficiency and the EO from M. microphylla could be a promising methane mitigating agent. Third World of Academic Science (TWAS) in Italy National Council for Scientific and Technological Development (CNPq) Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) in Brazil |
Identificador |
ARCHIVES OF ANIMAL NUTRITION, v.65, n.3, p.203-214, 2011 1745-039X http://producao.usp.br/handle/BDPI/16994 10.1080/1745039X.2011.568275 |
Idioma(s) |
eng |
Publicador |
TAYLOR & FRANCIS LTD |
Relação |
Archives of Animal Nutrition |
Direitos |
restrictedAccess Copyright TAYLOR & FRANCIS LTD |
Palavras-Chave | #essential oils #gas production #in vitro #methane production #rumen fermentation #GAS-PRODUCTION #RUMINAL FERMENTATION #RUMEN #MICROORGANISMS #METHANOGENESIS #DIGESTIBILITY #NUTRITION #PROTOZOA #PLANTS #FEED #Agriculture, Dairy & Animal Science |
Tipo |
article original article publishedVersion |