Scleroglucan Production by Sclerotium rolfsii ATCC 201126 from Amylaceous and Sugarcane Molasses-Based Media: Promising Insights for Sustainable and Ecofriendly Scaling-Up

Scleroglucan is a β-glucan exopolysaccharide (EPS) efficiently produced by Sclerotium rolfsii ATCC 201126, with attractive properties for a wide range of industries. Its production was herein comparatively assessed with nine alternative C- and twelve N-sources. When comparing conventional sucrose-ba...

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Published in:Journal of polymers and the environment 2019-12, Vol.27 (12), p.2804-2818
Main Authors: Valdez, Alejandra Leonor, Babot, Jaime Daniel, Schmid, Jochen, Delgado, Osvaldo Daniel, Fariña, Julia Inés
Format: Article
Language:English
Subjects:
AGRICULTURE
BIOREACTORS
Chemistry
Chemistry and Materials Science
Environmental Chemistry
Environmental Engineering/Biotechnology
Exopolysaccharides
FOURIER TRANSFORM SPECTROMETERS
FUNGI
Glucan
Glucose
Industrial Chemistry/Chemical Engineering
INFRARED SPECTRA
Innovations
MATERIALS SCIENCE
MOLASSES
Original Paper
OXALATES
Oxalic acid
Polymer Sciences
POLYSACCHARIDES
SACCHAROSE
Scaling
Scleroglucan
Sclerotium rolfsii
SODIUM NITRATES
SPECTROPHOTOMETERS
Starch
Substrates
Sucrose
Sugar
SUGAR CANE
Sugarcane
Syrups & sweeteners
Yeast
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cited_by cdi_FETCH-LOGICAL-c384t-9278a3bff0048404df6213954fad3e07056a9611b6ccd17c9074767910c8380c3
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container_issue 12
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creator Valdez, Alejandra Leonor
Babot, Jaime Daniel
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Delgado, Osvaldo Daniel
Fariña, Julia Inés
description Scleroglucan is a β-glucan exopolysaccharide (EPS) efficiently produced by Sclerotium rolfsii ATCC 201126, with attractive properties for a wide range of industries. Its production was herein comparatively assessed with nine alternative C- and twelve N-sources. When comparing conventional sucrose-based Production Medium PM 20 (8.41 g C/L + NaNO 3 as N-source) at shake-flask-scale vs . alternative C-source versions, soluble starch and sugarcane molasses led to efficient EPS production. At bioreactor scale, starch-based medium led to highest EPS production (7.95 g/L), recovery (~ 52%) and productivities (0.11 g EPS/L h; 0.018 g EPS/g biomass  h). Molasses, though leading to lower EPS production (5.11 g/L), could be envisaged as a promising agroindustrial sub-product for adding value and innovation. Oxalate side-product varied with C- and N-sources, with no clear detrimental relationship with EPS production. Agroindustrial sub-products showed then to be suitable as alternative substrates for efficient, low-cost, and scalable EPS production, thus opening new perspectives for medium reformulation and sustainable EPS production.
doi_str_mv 10.1007/s10924-019-01546-4
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subjects AGRICULTURE
BIOREACTORS
Chemistry
Chemistry and Materials Science
Environmental Chemistry
Environmental Engineering/Biotechnology
Exopolysaccharides
FOURIER TRANSFORM SPECTROMETERS
FUNGI
Glucan
Glucose
Industrial Chemistry/Chemical Engineering
INFRARED SPECTRA
Innovations
MATERIALS SCIENCE
MOLASSES
Original Paper
OXALATES
Oxalic acid
Polymer Sciences
POLYSACCHARIDES
SACCHAROSE
Scaling
Scleroglucan
Sclerotium rolfsii
SODIUM NITRATES
SPECTROPHOTOMETERS
Starch
Substrates
Sucrose
Sugar
SUGAR CANE
Sugarcane
Syrups & sweeteners
Yeast
title Scleroglucan Production by Sclerotium rolfsii ATCC 201126 from Amylaceous and Sugarcane Molasses-Based Media: Promising Insights for Sustainable and Ecofriendly Scaling-Up
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