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Type: Artigo de periódico
Title: Production of single cell protein from Saccharomyces lipolytica growing on emulsion of cutting oil
Author: Goncalves, MAB
Alegre, RM
Abstract: Culture media containing used emulsion of cutting oil (ECO) as carbon source were fermented by Saccharomyces lipolytica CCT 0913 for single cell protein (SCP) production and chemical oxygen demand (COD) reduction. Two media were used, the first containing (NH4)(2)SO4 as nitrogen source with concentration in the range 2.5 to 15.0 g/l, and the second containing NH4Cl with concentration range 0.1 to 1.0 g/l. Fermentations were carried out in Erlenmeyer flasks and fermenter of 6 liters, showing that cellular dried mass (CDM) increased with the scale up as a consequence of better oxygen transfer. A yield of 1.12 g/l of CDM was achieved utilizing 15 g/l of (NH4)(2)SO4 and 5%(v/v) of ECO in the Erlenmeyer flasks fermentation. A yield of 3.12 g/l was obtained utilizing 1.0 g/l of NH4Cl and 20%(v/v) of ECO in the six liters fermenter. In this last case the COD was reduced from 6,188 to 4,773mg/l.
Subject: fermentation
Saccharomyces lipolytica
emulsion of cutting oil
Country: Brasil
Editor: Inst Tecnologia Parana
Citation: Arquivos De Biologia E Tecnologia. Inst Tecnologia Parana, v. 40, n. 4, n. 875, n. 882, 1997.
Rights: aberto
Date Issue: 1997
Appears in Collections:Unicamp - Artigos e Outros Documentos

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