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Bioconversion of rapeseed meal for the production of a generic microbial feedstock

Paper ID Volume ID Publish Year Pages File Format Full-Text
17616 42684 2010 7 PDF Available
Title
Bioconversion of rapeseed meal for the production of a generic microbial feedstock
Abstract

Rapeseed meal, a major byproduct from biodiesel production, has been used as a low-cost raw material for the production of a generic microbial feedstock through a consolidated bioconversion process. Solid state fermentation by Aspergillus oryzae led to the production of hydrolytic enzymes that could release free amino nitrogen (FAN), inorganic phosphorus (IP), small amount of glucose, and possibly many other microbial nutrients from rapeseed meal. Suspending the fermented solids in water at elevated temperature resulted in further hydrolysis of the remaining meal components for the production of a feedstock containing 2061.2 mg l−1 FAN, 304 mg l h−1 IP, and 1.8 g l−1 glucose. A three-fold dilution of this feedstock provided all essential nutrients except sufficient carbon source to support the production of 6.85 g l−1 dry Saccharomyces cerevisiae cells in aerobic incubation, while consuming 80.6 g l−1 of the glucose supplement. Comparative yeast incubation confirmed the nutritional similarity between the feedstock and a mixture of commercial peptone and yeast extract.

Keywords
Rapeseed meal; Generic microbial feedstock; Solid state fermentation; Yeast production
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Publisher
Database: Elsevier - ScienceDirect
Journal: Enzyme and Microbial Technology - Volume 47, Issue 3, 5 August 2010, Pages 77–83
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