Green routes towards industrial textile dyeing: A laccase based approach

Large amounts of agricultural wastes are rich in pectins that, in many cases, disrupt the processing of food residues due to gelation. Despite pectins being a promising sustainable feedstock for bio‐based chemical production, the current pathways to produce platform molecules from this polysaccharide are hazardous and entail the use of strong acids. The present work describes a sequence of biocatalyzed reactions that involves 1) the extraction of pectin from sugar beet pulp and enzymatic recovery of galacturonic acid (GalA), followed by 2) the enzymatic oxidation of the GalA aldehyde and the recovery of galactaric acid (GA), and 3) the biocatalyzed polycondensation of GA to obtain fully bio‐based polyesters carrying lateral hydroxy functionalities. The acid‐free pectin extraction is optimized using enzymes and microwave technology. The conditions for enzymatic oxidation of GalA allow the separation of the GA produced by a simple centrifugation step that leads to the enzyme‐catalyzed polycondensation reactions.

show abstract

“…Enzymatic Assays : Laccase Activity : Laccase activity against ABTS was assayed as reported by Pezzella et al 2016 …”

Section: Methodsmentioning

confidence: 99%

Sustainable Galactarate‐Based Polymers: Multi‐Enzymatic Production of Pectin‐Derived Polyesters

Vastano

Pellis

Machado

et al. 2019

Macromol. Rapid Commun.

View full text Add to dashboard Cite

show abstract

“…These research efforts have been most recently reviewed by Polak and Jarosz-Wilkolazka [165]. Since then, numerous studies were published, reporting the synthesis of hair dyes [63], phenoxazine derivatives [166], benzene-and naphthalene-derived non-toxic dyes [167], 2,5-diaminobenzenesulfonic acid (2,5-DABSA) and catechol [67] or resorcinol [168] coupling derivatives, several aminoindamine and indoaniline dyes for hair dyeing and cosmetics applications [169], and even a dye for protein gel staining [170]. Moreover, the dyeing of fabrics by the in situ polymerization of phenol and amine compounds has been reported [115,171].…”

Section: Paints and Coatingsmentioning

confidence: 99%

Applications of Microbial Laccases: Patent Review of the Past Decade (2009–2019)

et al. 2019

View full text Add to dashboard Cite

There is a high number of well characterized, commercially available laccases with different redox potentials and low substrate specificity, which in turn makes them attractive for a vast array of biotechnological applications. Laccases operate as batteries, storing electrons from individual substrate oxidation reactions to reduce molecular oxygen, releasing water as the only by-product. Due to society’s increasing environmental awareness and the global intensification of bio-based economies, the biotechnological industry is also expanding. Enzymes such as laccases are seen as a better alternative for use in the wood, paper, textile, and food industries, and they are being applied as biocatalysts, biosensors, and biofuel cells. Almost 140 years from the first description of laccase, industrial implementations of these enzymes still remain scarce in comparison to their potential, which is mostly due to high production costs and the limited control of the enzymatic reaction side product(s). This review summarizes the laccase applications in the last decade, focusing on the published patents during this period.

show abstract

“…laccase–HBT) or laccase alone. Pezzella et al . obtained new mixtures of synthesized dyes with Pleurotus ostreatus POXA1b laccase by using resorcinol and 2,5‐diaminobenzenesulfonic acid (DABSA) as substrates.…”

Section: Laccases As Versatile Enzymes: Traditional and New Industriamentioning

confidence: 99%

Laccases as versatile enzymes: from industrial uses to novel applications

Moreno

Ibarra²,

Eugenio³

et al. 2019

J of Chemical Tech & Biotech

View full text Add to dashboard Cite

The application of enzymes offers an enormous potential in the improvement of existing industrial procedures and in the establishment of new processes for obtaining high-added value products. Enzymes provide cleaner and more efficient industrial processes and contribute to the sustainability concept. In this sense, laccases are very versatile biocatalysts currently used in food, textile and pulp and paper sectors among others. During the last years, scientific efforts have been diverted to the exploitation of such interesting enzymes in novel fields like lignocellulosic biorefineries, biosensors or enzymatic biofuel cells. This review provides a general vision of the use of laccase enzymes describing their main characteristics and mode of action. Furthermore, their current uses in industrial processes are summarized and the most novel potential application of laccases are revealed. The increasing interest on laccases is also demonstrated by the research efforts on enzyme engineering as it is detailed in this review. wileyonlinelibrary.com/jctb www.soci.org AD Moreno et al. J Chem Technol Biotechnol 2020; 95: 481-494

show abstract

Green routes towards industrial textile dyeing: A laccase based approach

Cited by 43 publications

References 21 publications

Sustainable Galactarate‐Based Polymers: Multi‐Enzymatic Production of Pectin‐Derived Polyesters

Sustainable Galactarate‐Based Polymers: Multi‐Enzymatic Production of Pectin‐Derived Polyesters

Applications of Microbial Laccases: Patent Review of the Past Decade (2009–2019)

Laccases as versatile enzymes: from industrial uses to novel applications

Contact Info

Product

Resources

About