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Biorefinery strategies for upgrading Distillers’ Dried Grains with Solubles (DDGS)

Paper ID Volume ID Publish Year Pages File Format Full-Text
34214 45010 2015 14 PDF Available
Title
Biorefinery strategies for upgrading Distillers’ Dried Grains with Solubles (DDGS)
Abstract

•The choice of the pre-treatment strategy for DDGS depends greatly on the aims of the biomass-based biorefinery.•In-process samples of DDGS can be utilised for the production of added-value components.•Potential of commodities, platform molecules or speciality chemicals production from DDGS carbohydrate and protein content.

Distillers’ Dried Grains with Solubles (DDGS) is the major by-product of bioethanol and distillery plants. Due to its high content of proteins, water-soluble vitamins and minerals, DDGS has been long marketed as animal feed for livestock. EU legislation on liquid biofuels could raise the demand on bioethanol production in Europe, with a resulting increase in DDGS availability. DDGS contains a spectrum of complex organic macromolecules, particularly polysaccharides, in addition to proteins and vitamins, and its use as a starting raw material within a biomass-based biorefining strategy could lead to the development of multi-stream processes for the production of commodities, platform molecules or speciality chemicals, with concomitant economic benefits and waste reduction for bioethanol plants. The present review aims to outline the compositional characteristics of DDGS and evaluate its potential utilisation as a starting material for the production of added-value products. Parameters of influence on the chemical and physical characteristics of DDGS are discussed. Moreover, various pre-treatment strategies are outlined in terms of efficient DDGS fractionation into several added value streams. Additional processing steps for the production of medium and high added value compounds from DDGS are evaluated and their potential applications in the food and chemical industry sector are identified.

Keywords
DDGS; Pre-treatment; Biorefinery; Added-value products; Bioethanol
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 50, Issue 12, December 2015, Pages 2194–2207
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