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Type: Artigo de periódico
Title: Technical viability of the production, partial purification and characterisation of inulinase using pretreated agroindustrial residues
Author: Treichel, H
Mazutti, MA
Maugeri, F
Rodrigues, MI
Abstract: The present work aimed to study the viability of the use of sugarcane molasses and corn steep liquor (CSL) in a sequential inulinase production performing an up-stream pretreatment of these agroindustrial residues. A sequential strategy was used applying three central composite rotatable designs (CCRDs) to optimise medium composition, followed by a down-stream step. The medium containing 150 g L(-1) molasses, 50 g L(-1) CSL and 6 g L(-1) yeast extract, yielded a maximum inulinase production of 1,294 +/- A 7 U mL(-1), after 72 h of fermentation. A down-stream evaluation was carried out using an expanded bed of Streamline DAE resin (Pharmacia), with and without the up-stream treatment. The results showed that the enzyme could not be recovered from the non-pretreated medium, whereas a yield of 91% was obtained in the adsorption stage from the medium prepared with the up-stream treatment, showing the viability of producing the enzyme inulinase from agroindustrial residues using the integrated process.
Subject: Inulinase
Kinetics parameter
Country: EUA
Editor: Springer
Citation: Bioprocess And Biosystems Engineering. Springer, v. 32, n. 4, n. 425, n. 433, 2009.
Rights: fechado
Identifier DOI: 10.1007/s00449-008-0262-0
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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