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Use of a low-cost methodology for biodetoxification of castor bean waste and lipase production

Paper ID Volume ID Publish Year Pages File Format Full-Text
17921 42705 2009 6 PDF Available
Title
Use of a low-cost methodology for biodetoxification of castor bean waste and lipase production
Abstract

The castor bean (Ricinus communis) represents a potential candidate for biodiesel production. The Petrobras Research Center is developing a biodiesel production process from castor bean seeds, in which an unwanted byproduct named castor bean waste is produced. This extremely alkaline waste is toxic and allergenic and, as such, poses a significant environmental problem. Solid-state fermentation (SSF) of castor bean waste was carried out to achieve ricin detoxification, reduce allergenic potential and stimulate lipase production. The fungus, Penicillium simplicissimum, an excellent lipase producer, was able to grow and produce lipase enzyme. After an optimization process, the maximum lipase activity achieved was 44.8 U/g. Moreover, the fungus P. simplicissimum was able to reduce the ricin content to non-detectable levels in addition to diminishing castor bean waste allergenic potential by approximately 16%. In this way, SSF of castor bean waste by P. simplicissimum may increase the utility of the waste by promoting enzyme production and eliminating the principal toxic element, ricin.

Keywords
Lipase production; Detoxification; Ricin; Castor bean waste; Allergen; Penicillium simplicissimum
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Use of a low-cost methodology for biodetoxification of castor bean waste and lipase production
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Publisher
Database: Elsevier - ScienceDirect
Journal: Enzyme and Microbial Technology - Volume 44, Issue 5, 6 May 2009, Pages 317–322
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