Advances in bacterial exopolysaccharides: from production to biotechnological applications

Filomena  Freitas; Vítor   Alves; Maria D'ascensão Carvalho Fernandes Miranda Reis

doi:10.1016/j.tibtech.2011.03.008

Advances in bacterial exopolysaccharides: from production to biotechnological applications

Filomena Freitas, Vítor Alves, Maria D'ascensão Carvalho Fernandes Miranda Reis

Research output: Contribution to journal › Article › peer-review

600 Citations (Scopus)

Abstract

A vast number of bacterial extracellular polysaccharides (EPSs) have been reported over recent decades, and their composition, structure, biosynthesis and functional properties have been extensively studied. Despite the great diversity of molecular structures already described for bacterial EPSs, only a few have been industrially developed. The main constraints to full commercialization are their production costs, mostly related to substrate cost and downstream processing. In this article, we review EPS biosynthetic and fermentative processes, along with current downstream strategies. Limitations and constraints of bacterial EPS development are stressed and correlation of bacterial EPS properties with polymer applications is emphasized.

Original language	English
Pages (from-to)	388-398
Journal	Trends In Biotechnology
Volume	29
Issue number	8
DOIs	https://doi.org/10.1016/j.tibtech.2011.03.008
Publication status	Published - Aug 2011

Keywords

SPHINGOMONAS-PAUCIMOBILIS ATCC-31461
RESPONSE-SURFACE METHODOLOGY
XANTHAN GUM PRODUCTION
GLYCEROL BY-PRODUCT
GELLAN GUM
EXTRACELLULAR POLYSACCHARIDE
FERMENTATIVE PRODUCTION
STRUCTURAL-CHARACTERIZATION
RHEOLOGICAL PROPERTIES
CELLULOSE PRODUCTION

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title = "Advances in bacterial exopolysaccharides: from production to biotechnological applications",

abstract = "A vast number of bacterial extracellular polysaccharides (EPSs) have been reported over recent decades, and their composition, structure, biosynthesis and functional properties have been extensively studied. Despite the great diversity of molecular structures already described for bacterial EPSs, only a few have been industrially developed. The main constraints to full commercialization are their production costs, mostly related to substrate cost and downstream processing. In this article, we review EPS biosynthetic and fermentative processes, along with current downstream strategies. Limitations and constraints of bacterial EPS development are stressed and correlation of bacterial EPS properties with polymer applications is emphasized.",

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KW - GLYCEROL BY-PRODUCT

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KW - EXTRACELLULAR POLYSACCHARIDE

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KW - STRUCTURAL-CHARACTERIZATION

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KW - CELLULOSE PRODUCTION

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Advances in bacterial exopolysaccharides: from production to biotechnological applications

Abstract

Keywords

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