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Seleção de micro-organismos fermentadores de xilose em etanol

Seleção de micro-organismos fermentadores de xilose em etanol


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About the Book

A utilização dos resíduos da agroindústria para a criação de novos produtos com valor agregado é uma ferramenta muito importante que vem merecendo destaque no país e no mundo. O Brasil é considerado um dos países que mais geram resíduos, desta forma a transformação destes compostos em novos produtos é imprescindível já que contribui para a preservação ambiental, promovendo a adequada disposição dos mesmos no ambiente. Neste contexto, as indústrias vinícolas têm destaque, já que o subproduto gerado por elas é de lenta decomposição e acarreta em poluição do meio ambiente. A casca e a semente da uva são responsáveis pela maior parte dos resíduos deste setor (cerca de 20 a 48%). Esta é composta por celulose (glicose), hemicelulose (xilose, arabinose) e lignina. A glicose proveniente da celulose é facilmente fermentada pela levedura Saccharomyces cerevisiae, porém, a xilose da hemicelulose não é fermentada por esta levedura. O presente trabalho buscou selecionar a partir da casca de uva, microrganismos capazes de fermentar a xilose dos materiais lignocelulósicos em etanol contribuindo para o aumento da produção de bioetanol e reduzindo o impacto ambiental causado por este subproduto.


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Product Details
  • ISBN-13: 9783639616392
  • Publisher: Novas Edicoes Academicas
  • Binding: Paperback
  • Language: Portuguese
  • Returnable: N
  • Spine Width: 5 mm
  • Width: 152 mm
  • ISBN-10: 3639616391
  • Publisher Date: 16 May 2014
  • Height: 229 mm
  • No of Pages: 80
  • Series Title: Portuguese
  • Weight: 177 gr


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