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Biotech Green Approaches to Unravel the Potential of Residues into Valuable Products

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Sustainable Green Chemical Processes and their Allied Applications

Abstract

A sustainable and rational use of the existing resources with limited generation of residues and using environmentally friendly processes is a current concern that is being addressed under the concepts of green chemistry and circular economy. Biotechnological processes, namely, the use of microorganisms and/or enzymes to cost-efficiently produce and convert renewable biological resources and waste streams into valuable products across several economic sectors (such as food, feed, bio-based products, and bioenergy), comprise a powerful alternative. The so-called circular bioeconomy is currently taking advantage of the recent developments in omics techniques, gene editing, systems, and synthetic biology, as well as of the novel technological developments of bioreactors and downstream processes. In addition, the potential of many existing residues from different sources, which remain to be mapped and thoroughly characterized, is largely unexplored and represents a great opportunity to design new products and processes, hence a great opportunity for the economy, for the environment, and ultimately for the society.

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Abbreviations

ATPS:

Aqueous two-phase systems

CCR:

Carbon catabolite repression

cmc:

Critical micelle concentration

COS:

Chitooligosaccharides

CRISPR-Cas9:

Clustered regularly interspaced short palindromic repeats-associated caspase 9 endonuclease

CSL:

Corn step liquor

DNA:

Deoxyribonucleic acid

E24:

Emulsifying index

epPCR:

Error-prone polymerase chain reaction

FOS:

Fructooligosaccharides

GOS:

Galactooligosaccharides

IMO:

Isomaltooligosaccharides

NGS:

New-generation sequencing

OMW:

Olive mill wastewater

PCR:

Polymerase chain reaction

PEG:

Polyethylene glycol

PUF:

Polyurethane foam

RL:

Rhamnolipid

SmF:

Submerged fermentation

SSF:

Solid state fermentation

ST:

Surface tension

STR:

Stirred tank reactor

XOS:

Xylooligosaccharides

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Acknowledgements

C.A. and A.C. acknowledge their grants (UMINHO/BPD/4/2019 and UMINHO/BPD/37/2018, respectively) from Portuguese Foundation for Science and Technology (FCT). The study received financial support from FCT under the scope of the strategic funding of UID/BIO/04469/2013 unit, COMPETE 2020 (POCI-01-0145-FEDER-006684), and the projects FoSynBio (POCI-01-0145-FEDER-029549) and Lignozymes (POCI-01-0145-FEDER-029773). The authors also acknowledge BioTecNorte operation (NORTE-01-0145-FEDER-000004) and the project MultiBiorefinery (POCI-01-0145-FEDER-016403) funded by the European Regional Development Fund under the scope of Norte2020—Programa Operacional Regional do Norte.

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Correspondence to Lígia R. Rodrigues .

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Gudiña, E.J. et al. (2020). Biotech Green Approaches to Unravel the Potential of Residues into Valuable Products. In: Inamuddin, Asiri, A. (eds) Sustainable Green Chemical Processes and their Allied Applications. Nanotechnology in the Life Sciences. Springer, Cham. https://doi.org/10.1007/978-3-030-42284-4_5

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