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Type: Capítulo de livro
Title: Potential Uses Of Cassava Wastewater In Biotechnological Processes
Author: Barros F.F.C.
Dionisio A.P.
Silva J.C.
Pastore G.M.
Abstract: Cassava flour is the main cassava derivative for food use in Brazil and its processing generates solid and liquid residues. Concerning the latter, the wash water plus the water extracted from the roots by squeezing is denominated cassava wastewater or manipueira, and is mainly composed of nutrients such as nitrogen, carbon, potassium, phosphorus, zinc, manganese, calcium, magnesium, sulfur, copper, iron and sodium. This residue is very harmful to the environment due to its high BOD and cyanogenic glycosides. However, the use of this by-product is evident in many areas as an alternative low-cost carbon substrate for use in high-value market compounds. The use of agroindustrial residues in biotechnological processes has been indicated as an approach to reduce the volume of waste released directly into the environment or involving high costs for effluent treatment. This chapter discusses some applications of this residue in the production of some enzymes (i.g. amylases), citric acid, aroma compounds (i.g. alcoho s), biotransformation processes (i.g. culture medium for terpene biotransformation), production of ethanol and, principally, the production of biosurfactants. © 2012 by Nova Science Publishers, Inc. All rights reserved.
Editor: Nova Science Publishers, Inc.
Rights: fechado
Identifier DOI: 
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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