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Title: | Desenvolvimento de materiais adsorventes de óleos a partir de resíduos do beneficiamento do café e sua aplicação na ração para aves |
Other Titles: | Development of oil adsorbent materials from the processing coffee waste and its application in poultry feed |
Keywords: | Resíduos agroindustriais Materiais adsorventes Aves - Nutrição Agro-industrial residues Adsorbent materials Birds - Nutrition |
Issue Date: | Oct-2012 |
Publisher: | Universidade Federal da Bahia |
Citation: | OLIVEIRA, L. K. et al. Desenvolvimento de materiais adsorventes de óleos a partir de resíduos do beneficiamento do café e sua aplicação na ração para aves. Revista Brasileira de Saúde e Produção Animal, Salvador, v. 13, n. 4, p. 902-911, out./dez. 2012. |
Abstract: | The aim of this work was chemically modify lignocellulosic materials (processing coffee waste-parchment) in order to obtain a more hydrophobic material, test it as to its oil adsorbent capacity and use it in the formulation of poultry feed. The residues were analyzed for its chemical-bromatologic composition and subsequently acetylated with acetic anhydride using different concentrations of N-bromosuccinimide (as catalyst) for 4 hours at 120 ° C. Analysis of the parchment indicates high levels of fiber. The acetylation of this material promotes mass gain for all samples studied. An increase in the oil adsorption capacity was observed for all the modified materials, proving the hydrophobization. Acetylated material with adsorbed oil was called OSoL (solid oil) and replaced soybean oil in poultry diet. In metabolic experiments we adopted the method of forced feeding and determined the true metabolizable energy values, true metabolizable energy corrected for nitrogen, digestibility of dry matter, digestibility of crude protein and metabolizable energy coefficient of metabolizibility. The treatments were similar statistically; therefore, the inclusion of OSOL in poultry diet is viable. |
URI: | http://repositorio.ufla.br/jspui/handle/1/12742 |
Appears in Collections: | DZO - Artigos publicados em periódicos |
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ARTIGO_Desenvolvimento de materiais adsorventes de óleos a partir de resíduos do beneficiamento do café e sua aplicação na ração para aves.pdf | 100,29 kB | Adobe PDF | View/Open |
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