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Deproteinization of gellan gum produced by Sphingomonas paucimobilis ATCC 31461

Paper ID Volume ID Publish Year Pages File Format Full-Text
25393 43571 2007 5 PDF Available
Title
Deproteinization of gellan gum produced by Sphingomonas paucimobilis ATCC 31461
Abstract

Deproteinization is a technical bottleneck in the purification of viscous water-soluble polysaccharides. The aim of this work is to provide an appropriate approach to deproteinize crude gellan gum. Several methods of deproteinization were investigated, including Sevag method, alkaline protease, papain and neutral protease. The results revealed that Sevag method had high deproteinization efficiency (87.9%), but it showed dissatisfactory recovery efficiency of gellan gum (28.6%), which made it less advisable in industrial applications. The deproteinization by alkaline protease was demonstrated in this work for the first time, indicating alkaline protease was preferred in the deproteinization of crude gellan gum with high polysaccharide recovery (89.3%) and high deproteinization efficiency (86.4%).

Keywords
Gellan gum; Deproteinization; Protease
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Deproteinization of gellan gum produced by Sphingomonas paucimobilis ATCC 31461
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Biotechnology - Volume 128, Issue 2, 1 February 2007, Pages 403–407
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