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Polyphenolic Antioxidants from Agri-Food Waste Biomass

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ISBN: 9783039286744 / 9783039286751 Year: Pages: 168 DOI: 10.3390/books978-3-03928-675-1 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Biology --- Nutrition and Food Sciences
Added to DOAB on : 2020-06-09 16:38:57
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Abstract

The re-use of industrial food residues is essential in the general framework of rational waste handling and recycling, which aims at the minimizing environmental impact of food production and producing functional food ingredients. Agri-food processing waste has long been considered a valuable biomass with a significant polyphenol load and profile. Polyphenols, aside from being powerful antioxidants that confer inherent stability to a variety of foods, may possess versatile bioactivities including anti-inflammatory and chemopreventive properties. The valorization of agri-food waste as a prominent source of polyphenols stems from the enormous amount of food-related material discharged worldwide and the emerging eco-friendly technologies that allow high recovery, recycling, and sustainable use of these materials. This book addresses the concept of recovering natural polyphenolic antioxidants from waste biomass generated by agri-food and related industrial processes and presents state-of-the-art applications with prospect in the food, cosmetic, and pharmaceutical industries.

Polymeric Systems as Antimicrobial or Antifouling Agents

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ISBN: 9783039284566 / 9783039284573 Year: Pages: 400 DOI: 10.3390/books978-3-03928-457-3 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Social Sciences --- Sociology
Added to DOAB on : 2020-06-09 16:38:57
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The rapid increase in the emergence of antibiotic-resistant bacterial strains, combined with a dwindling rate of discovery of novel antibiotic molecules, has created an alarming issue worldwide. Although the occurrence of resistance in microbes is a natural process, the overuse of antibiotics is known to increase the rate of resistance evolution. Under antibiotic treatment, susceptible bacteria inevitably die, while resistant microorganisms proliferate under reduced competition. Therefore, the out-of-control use of antibiotics eliminates drug-susceptible species that would naturally limit the expansion of resistant species. In addition, the ability of many microbial species to grow as a biofilm has further complicated the treatment of infections with conventional antibiotics. A number of corrective measures are currently being explored to reverse or slow antibiotic resistance evolution, Among which one of the most promising solutions is the development of polymer-based antimicrobial compounds. In this Special Issue, different polymer systems able to prevent or treat biofilm formation, including cationic polymers, antibacterial peptide-mimetic polymers, polymers or composites able to load and release bioactive molecules, and antifouling polymers able to repel microbes by physical or chemical mechanisms are reported. Their applications in the design and fabrication of medical devices, in food packaging, and as drug carriers is investigated.

Keywords

cationic polymers --- imidization --- quaternization --- antimicrobial properties --- hemolytic activity --- coatings from nanoparticles --- biocompatible polymer --- antimicrobial polymer --- dynamic light scattering --- coatings wettability --- microbicidal coatings --- bacteria viability --- bactericidal coatings --- Escherichia coli --- Staphylococcus aureus --- Acinetobacter baumannii --- multidrug-resistant --- antimicrobial peptide --- antibiofilm activity --- physiological salt --- biofilm --- anti-biofilm surface --- surface functionalization --- ?-chymotrypsin --- proteinase --- antimicrobial polymers --- quaternary ammonium --- 2-hydroxyethyl methacrylate --- thermal stability --- polymers --- antibacterial --- drug delivery --- periodontitis --- periodontal biofilms --- polyamide 11 --- antibacterial --- polymeric biocide --- thermal stability --- biofilm --- antifouling --- copper paint --- additives --- biofilm --- lipopeptides --- biofilm --- persister cells --- ocular infections --- biofilm on contact lenses --- cuprous oxide nanoparticles --- linear low-density polyethylene --- composites --- adhesives --- antibacterial activity --- water disinfection --- active packaging --- antimicrobial peptides --- food shelf-life --- foodborne pathogens --- plastic materials --- antibacterial peptides --- halictine --- circular dichroism --- fluorescence --- infrared spectroscopy --- segmented polyurethanes --- polyethylene glycol --- microbial biofilm --- antifouling materials --- medical device-related infections --- wound dressings --- additive manufacturing --- antibacterial polymers --- biocompatible systems --- drug delivery systems --- 3D printing --- amorphous materials --- ordered mesoporous silica --- sol-gel preparation --- drug carrier --- multifunctional hybrid systems --- olive mill wastewater --- antibacterial properties --- layered double hydroxides --- bionanocomposites --- acrylates --- antibacterial activity --- copolymerization --- polymeric films --- polymerizable quaternary ammonium salts --- quaternary ammonium salts --- UV-induced polymerization --- antimicrobial resistance --- antimicrobial polymers --- ESKAPE pathogens --- anti-biofilm surfaces --- polymeric surfaces --- biofilm methods --- biofilm analysis --- biofilm devices --- n/a

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eng (2)


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2020 (2)