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An efficient treatment for detoxification process of cassava starch by plant cell wall-degrading enzymes

Paper ID Volume ID Publish Year Pages File Format Full-Text
21533 43227 2010 6 PDF Available
Title
An efficient treatment for detoxification process of cassava starch by plant cell wall-degrading enzymes
Abstract

The objective of this work was to remove linamarin in starch from cassava (Manihot esculenta Crantz cv. KU-50) roots, a high-cyanogen variety by using plant cell wall-degrading enzymes, xylanase and cellulase. The combination of xylanase from Bacillus firmus K-1 and xylanase and cellulase from Paenibacillus curdlanolyticus B-6 at the ratio of 1:9 showed the maximum synergism at 1.8 times for hydrolyzing cassava cortex cell walls and releasing linamarase. Combined enzyme treatment enhanced linamarin liberation from the parenchyma by 90%. In addition, when the combined enzymes were applied for detoxification during cassava starch production, a low-cyanide-product was obtained with decreased linamarin concentration (96%) compared to non-enzyme treated tissues. Based on these results, xylanase and cellulase treatment is a good method for low-cyanide-cassava starch production and could be applied for detoxification of cassava products during processing.

Keywords
HPLC, high-performance liquid chromatography; PVP, polyvinylpyrrolidone K30Cassava starch; Detoxification process; Linamarase; Linamarin; Plant cell wall-degrading enzyme; Xylanase and cellulase treatment
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An efficient treatment for detoxification process of cassava starch by plant cell wall-degrading enzymes
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Bioscience and Bioengineering - Volume 109, Issue 1, January 2010, Pages 9–14
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