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Effect of water activity on gibberellic acid production by Gibberella fujikuroi under solid-state fermentation conditions

Paper ID Volume ID Publish Year Pages File Format Full-Text
36452 45133 2005 4 PDF Available
Title
Effect of water activity on gibberellic acid production by Gibberella fujikuroi under solid-state fermentation conditions
Abstract

The evolution of water activity during solid-state cultivation of Gibberella fujikuroi was followed. A typical organic substrate, wheat bran and soluble starch, was used. Culture sorption isotherms were determined verifying that, as culture evolves, higher moisture contents were necessary to maintain the same water activity level. Optimal values for Gibberella fujikuroi growth and gibberellic acid production rates and yields were established, around aw 0.99. A non-linear model, based on neural networks, is proposed to represent the sorption curves of the substrate during the fermentation process.

Keywords
Gibberella fujikuroi; Gibberellic acid; Neural network; Solid-state fermentation; Water activity
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Effect of water activity on gibberellic acid production by Gibberella fujikuroi under solid-state fermentation conditions
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 40, Issue 8, July 2005, Pages 2655–2658
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
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us