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Near-infrared spectroscopy with a fiber-optic probe for state variables determination in solid-state fermentation

Paper ID Volume ID Publish Year Pages File Format Full-Text
35632 45099 2008 6 PDF Available
Title
Near-infrared spectroscopy with a fiber-optic probe for state variables determination in solid-state fermentation
Abstract

This work studied the feasibility of near-infrared spectroscopy (NIRS) with a fiber-optic probe for the prediction of state variables in solid-state fermentation (SSF) samples with neither previous treatment nor manipulation. The models were developed using 50 samples and had the following root mean square error of cross-validation (RMSECV): 0.0253 for moisture content, 4.720 mg/g wet medium for biomass, 3.51 FPA/g wet medium for cellulase. Ten external samples were used to test the stability of the prediction models. The maximum absolute error and maximum relative error (%) were 0.0372 and 5.86 for moisture content, −6.51 and 11.63 for biomass, and 2.26 and 8.52 for cellulase. The predicted values using the NIRS technology were similar to the values obtained using chemical methods.

Keywords
Near-infrared spectroscopy; Solid-state fermentation; Bioprocess monitoring; Trichoderma reesei; Cellulase; Biomass
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Near-infrared spectroscopy with a fiber-optic probe for state variables determination in solid-state fermentation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 43, Issue 5, May 2008, Pages 511–516
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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Full-text PDF Download
Online Support
Any Questions? feel free to contact us