Gellan gum

The microbial exopolysaccharides are water-soluble polymers secreted by microorganisms during fermentation. The biopolymer gellan gum is a relatively recent addition to the family of microbial polysaccharides that is gaining much importance in food, pharmaceutical and chemical industries due to its...

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Permalink: http://skupnikatalog.nsk.hr/Record/nsk.NSK01000691494/Details
Matična publikacija: Food technology and biotechnology
45 (2007), 4 ; str. 341-354
Glavni autor: Bajaj, Ishwar B. (-)
Ostali autori: Survase, Shrikant A. (-), Saudagar, Parag S., Singhal, Rekha S.
Vrsta građe: Članak
Jezik: eng
Predmet:
Online pristup: Digitalni arhiv mrežnih publikacija
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080 |a 57  |2 MRF 1998. 
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100 1 |a Bajaj, Ishwar B. 
245 1 0 |a Gellan gum :  |b fermentative production, downstream processing and applications /  |c Ishwar B. Bajaj, Shrikant A. Survase, Parag S. Saudagar and Rekha S. Singhal. 
300 |b Ilustr. 
504 |a Bibliografija: 73 jed 
520 |a The microbial exopolysaccharides are water-soluble polymers secreted by microorganisms during fermentation. The biopolymer gellan gum is a relatively recent addition to the family of microbial polysaccharides that is gaining much importance in food, pharmaceutical and chemical industries due to its novel properties. It is commercially produced by C. P. Kelco in Japan and the USA. Further research and development in biopolymer technology is expected to expand its use. This article presents a critical review of the available information on the gellan gum synthesized by Sphingomonas paucimobilis with special emphasis on its fermentative production and downstream processing. Rheological behaviour of fermentation broth during fermentative production of gellan gum and problems associated with mass transfer have been addressed. Information on the biosynthetic pathway of gellan gum, enzymes and precursors involved in gellan gum production and application of metabolic engineering for enhancement of yield of gellan gum has been specified Characteristics of gellan gum with respect to its structure, physicochemical properties, rheology of its solutions and gel formation behaviour are discussed. An attempt has also been made to review the current and potential applications of gellan gum in food, pharmaceutical and other industries 
653 |a Biopolimeri  |a Fermentacija 
700 1 |a Survase, Shrikant A. 
700 1 |a Saudagar, Parag S. 
700 1 |a Singhal, Rekha S. 
773 0 |t Food technology and biotechnology  |x 1330-9862  |g 45 (2007), 4 ; str. 341-354  |w nsk.(HR-ZaNSK)000174173 
981 |b B12/07 
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