Data · dataset · 2018
ETHANOL PRECIPITATION AS A DOWNSTREAM PROCESSING STEP FOR CONCENTRATION OF XYLANASES PRODUCED BY SUBMERGED AND SOLID-STATE FERMENTATION
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Description
Abstract
Xylanases have applications in different industries, being produced by microbial cultivations using submerged (SmF) or solid-state fermentation (SSF). Precipitation stands out as a potential method for the concentration of xylanases, especially with the use as ethanol as the precipitant due to its compatibility with the biorefinery concept. This paper presents a comparative laboratory scale study of ethanol precipitation of xylanases produced by Aspergillus niger cultivated under SSF and SmF.
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Precipitation conditions were selected according to a central composite design. Statistical analysis showed a significant effect of pH on the recoveries of total protein and xylanase activity. The kinetic profiles showed that a relatively short period of time (up to 15 min) was sufficient to recover most of the xylanase activity precipitated under the selected conditions.
Xylanase recoveries of 65 and 79% were achieved for the SSF and SmF enzymatic complexes, respectively.
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- Repository landing page scielo.figshare.com/articles/ETHANOL_PRECIPITATION_AS_A_DOWNSTREAM_PROCESSING_STEP… ↗
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- DOI doi.org/10.6084/m9.figshare.7185743 ↗
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Documentation and papers
- Creative Commons Attribution 4.0 International creativecommons.org/licenses/by/4.0/legalcode ↗
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- doi.org /10.1590/0104-6632.20180352s20160502 ↗
IsSupplementTo 10.1590/0104-6632.20180352s20160502
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- DataCite API api.datacite.org/dois/10.6084/m9.figshare.7185743 ↗
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- DataCite Commons commons.datacite.org/doi.org/10.6084/m9.figshare.7185743 ↗
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Topics
- Stated by source
- Chemical engineering
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Provenance · 1 source records, 9 field assertions
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|---|---|---|---|
| DataCite | 10.6084/m9.figshare.7185743 | 12 d ago | JSON v1 |
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