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Microbial contamination of agriculture and food commodities may cause significant losses, with economic, social and environmental consequences. Therefore, the search for new, promising substances that demonstrate antagonism towards different microorganisms has been observed in recent years. Different plants, as well as differentiated methods of obtaining of biological compounds, are the research subject. Moreover, current trends focus on the sustainable recovery of antimicrobial substances from waste materials. The contributed articles present original research with a focus on: The biological activity of plant-derived extracts and oils: the research is concentrated on the discovery of new sufficient antimicrobial substances, characterized by broad biological properties including antibacterial, antifungal, antimycotoxigenic and cytotoxic activity. Novel extraction techniques to obtain plant-derived extracts such as supercritical fluid extraction (SFE), which has gained acceptance for the extraction of valuable substances due to its environmentally friendly character, or ultrasound-assisted extraction (UAE). The extraction techniques of the plant-derived bioactive compounds have a significant impact on the quality of the extracts and their chemical composition

lactic acid bacteria --- plant extracts --- milk fermentation --- total phenolic content --- antioxidant capacities --- seed oils --- antibacterial properties --- cytotoxicity --- antifungal properties --- omega-3 fatty acids --- omega-6 fatty acids --- antitumor activities --- Portulaca oleracea L. --- Luffa aegyptica Mill. --- Cucurbita maxima L. --- Linum usitatissimum L. --- aflatoxin B1 --- Aspergillus flavus --- carotenoids --- curcumin --- maize varieties --- photosensitization --- preservation technique --- Actinidia deliciosa --- by-product valorization --- extraction optimization --- bioactive properties --- natural ingredients --- antifungal activity --- biological plant protection --- cereals quality --- essential oils --- ergosterol --- food chain safety --- Fusarium spp. --- mycotoxins --- antioxidant activity --- antimicrobial properties --- biofilm --- Glechoma hederacea --- supercritical fluid extraction --- n/a

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In the search for a healthier diet and facing the uncertainties about the consumption of artificial additives, the scientific community has explored in the last years the potential of natural compounds, such as polyphenols, carotenoids, chlorophylls, essential oils, tocopherols, vitamins, polysaccharides, among others, obtained from the most diverse sources, such as plants and fungi, for the replacement of the artificial additives in food, which has made these compounds recognized as “natural additives”. In addition to being considered less harmful to health, and giving a certain functional property to a foodstuff, natural additives can also provide a beneficial synergistic effect in the food matrix. For the consumers, diverse studies have been showed that regular ingestion of bioactive compounds, that can be applied as natural additives, can be helpful for the prevention/treatment of several chronic and aging illnesses, such as cardiovascular diseases and neurological disorders. However, there is much to be researched on the viable use of bioactive compounds and to overcome their chemical limitations so that it can actually be used as natural additives in foods. This book addresses, through 18 scientific articles, some natural compounds with potential for use as preservatives, nutritional additives, coloring agents, flavorings, and various agents.

Technology: general issues --- trisodium citrate --- microbial transglutaminase --- casein gels --- textural properties --- microstructures --- Urtica spp. --- bioactive compounds --- antioxidant activity --- antimicrobial activity --- traditional medicine --- food industry --- animal breeding --- beta cyclodextrin --- ewe’s milk --- cheese --- Manchego --- lipids --- cholesterol --- anthocyanin --- natural extract --- tetraethyl orthosilicate --- black carrot --- black rice flour --- anthocyanins --- low gluten muffins --- added value products --- soymilk --- enzyme modified soymilk --- skim milk --- rennet induced gelation --- rheological properties --- egg yolk --- cholesterol extraction --- granules extraction --- anionic chelating biopolymers --- ADME --- absorption --- chlorophylls --- chlorophyllin --- green colorant --- zinc-chlorophylls --- copper-chlorophyll --- coloring foodstuff --- natural colorants --- food colors --- pomelo peel --- essential oil --- anti-oxidant --- anti-melanogenic --- B16 melanoma cell --- oxygen-containing sulfur flavor molecules --- β-carotene --- bis(2-methyl-3-furyl) disulfide (BMFDS) --- oxidation products --- beetroot --- betalains --- semi-preparative RP-HPLC --- in vitro human gastrointestinal digestion --- ex vivo colon fermentation --- antioxidant ability --- malonildialdehyde --- extra virgin olive oil --- leaf addition --- Tunisian varieties --- phenolics --- tocopherols --- Prunus spinosa L. fruit epicarp --- wild fruit valorization --- cyanidin 3-rutinoside --- peonidin 3-rutinoside --- heat and ultrasound assisted extraction --- response surface methodology --- Ocimum basilicum var. purpurascens leaves --- red rubin basil --- Heat-Assisted Extraction --- extraction optimization --- polyphenols --- tiger nut --- by-products --- solvent extraction --- horchata de chufa --- triple TOF-LC-MS-MS --- Caenorhabditis elegans --- antioxidants --- bergenin --- stress resistance --- lifespan --- Huntington --- uxi --- Endopleura uchi --- Allium cepa red cv. --- Citrus limon --- pickling --- volatiles --- SPME --- chemometrics --- byproducts --- food additives --- antimicrobial --- antioxidant --- colorants --- texturizing agents --- foaming capacity and emulsifiers --- trisodium citrate --- microbial transglutaminase --- casein gels --- textural properties --- microstructures --- Urtica spp. --- bioactive compounds --- antioxidant activity --- antimicrobial activity --- traditional medicine --- food industry --- animal breeding --- beta cyclodextrin --- ewe’s milk --- cheese --- Manchego --- lipids --- cholesterol --- anthocyanin --- natural extract --- tetraethyl orthosilicate --- black carrot --- black rice flour --- anthocyanins --- low gluten muffins --- added value products --- soymilk --- enzyme modified soymilk --- skim milk --- rennet induced gelation --- rheological properties --- egg yolk --- cholesterol extraction --- granules extraction --- anionic chelating biopolymers --- ADME --- absorption --- chlorophylls --- chlorophyllin --- green colorant --- zinc-chlorophylls --- copper-chlorophyll --- coloring foodstuff --- natural colorants --- food colors --- pomelo peel --- essential oil --- anti-oxidant --- anti-melanogenic --- B16 melanoma cell --- oxygen-containing sulfur flavor molecules --- β-carotene --- bis(2-methyl-3-furyl) disulfide (BMFDS) --- oxidation products --- beetroot --- betalains --- semi-preparative RP-HPLC --- in vitro human gastrointestinal digestion --- ex vivo colon fermentation --- antioxidant ability --- malonildialdehyde --- extra virgin olive oil --- leaf addition --- Tunisian varieties --- phenolics --- tocopherols --- Prunus spinosa L. fruit epicarp --- wild fruit valorization --- cyanidin 3-rutinoside --- peonidin 3-rutinoside --- heat and ultrasound assisted extraction --- response surface methodology --- Ocimum basilicum var. purpurascens leaves --- red rubin basil --- Heat-Assisted Extraction --- extraction optimization --- polyphenols --- tiger nut --- by-products --- solvent extraction --- horchata de chufa --- triple TOF-LC-MS-MS --- Caenorhabditis elegans --- antioxidants --- bergenin --- stress resistance --- lifespan --- Huntington --- uxi --- Endopleura uchi --- Allium cepa red cv. --- Citrus limon --- pickling --- volatiles --- SPME --- chemometrics --- byproducts --- food additives --- antimicrobial --- antioxidant --- colorants --- texturizing agents --- foaming capacity and emulsifiers

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Natural polymers are already used for a variety of biomedical applications, including drug delivery, wound healing, tissue engineering, biosensors, etc. However, they have also found other applications, for example, in the food industry, the pharmaceutical industry, as firefighting materials, water purification, etc. Different polysaccharide and protein-based systems have been developed. They each have their properties that render them useful for certain applications such as the water solubility of alginate, the thermo-sensitivity of chitosan, the abundance of cellulose and starch, or the cell adhesion and proliferation of gelatin and collagen. This Special Issue will explore the design, synthesis, processing, characterization, and applications of new functional natural-based polymers.

Research & information: general --- Biology, life sciences --- Biochemistry --- light conversion film --- cellulose acetate --- europium --- sensitization --- X-ray photoelectron spectroscopy --- surface plasmon resonance --- thin film --- quantum dot --- 4-(2-pyridylazo)resorcinol --- chitosan --- graphene oxide --- 3D printing --- carboxymethyl cellulose --- hydrogel --- lyophilization --- dissolution --- release model --- customization --- NO-donor --- topical release --- polymeric matrices --- microbial infections --- wound healing --- blood circulation --- semisynthetic polymers --- natural rubber --- rice husk ash --- alginate --- mechanical properties --- dielectric properties --- nanohydrogel --- food applications --- biopolymers --- polysaccharide --- neural network --- chicken feet --- sensorial quality --- food quality --- gelatine --- hyaluronic acid --- polyethylene oxide --- electrospinning --- nanofibers --- wound dressings --- pectin --- pectinase --- wheat bran --- banana peel --- Bacillus amyloliquefaciens --- prebiotics --- mucilage --- pectin polysaccharide --- Opuntia ficus-indica --- aloe vera --- acemannan --- Cactaceae --- Asphodelaceae --- porcine gastric mucin --- methacryloyl mucin --- double-cross-linked networks --- circular dichroism --- mechanical characterization --- date palm trunk mesh --- cellulose --- lignocellulosic waste --- alpha cellulose --- nanocellulose --- agro-byproduct --- Bacillus licheniformis --- bioconversion --- pomelo albedo --- sucrolytic --- lubricant --- tribology --- albumin deposition --- contact lens --- surface roughness --- bio-based polyurethanes --- prepolymers --- cellulose-derived polyol --- cellulose-citrate --- polyurethane composites --- poly(lactic acid) --- nanocomposites --- tannin --- lignin --- thermal degradation kinetics --- decomposition mechanism --- pyrolysis --- nanocomposite --- nanofertilizer --- slow release --- ammonia oxidase gene --- quantitative polymerase chain reaction --- microflora N cycle --- nutrient use efficiency --- soil N content --- aerogels --- cold plasma coating --- hydrophobization --- pore structure --- chitinous fishery wastes --- chitinase --- crab shells --- Paenibacillus --- N-acetyl-D-glucosamine --- phenol --- adhesive hydrogels --- nanomaterials --- surface modification --- latex --- lignocellulosic fibers --- conventional fillers --- CNC --- esterification reaction --- graft copolymerization --- hydrophobic modification --- flocculant --- crosslinking --- peptides --- glutaraldehyde --- specified risk materials --- laccase --- melanin --- decolorization --- natural mediators --- glycerol --- polymer electrolyte --- ionic conductivity --- biochemistry --- pH and rumen temperature --- protozoa --- zero valent iron --- nanoparticles --- ethylene glycol --- methylene blue --- polyhydroxyalkanoates --- poly(3-hydroxybutyrate-co-3-hydroxyhexanoate --- melt processing --- extrusion --- injection molding --- elongation at break --- crystallization --- DoE --- oil palm biomass waste --- anionic hydrogel --- swelling --- salt crosslinking agent --- CoNi nanocomposite --- cellulose paper --- antibacterial potential --- degradation --- annealing --- acetylation --- potato starch --- emulsion capacity --- FTIR --- Malva parviflora --- natural polymers --- physicochemical properties --- rheology --- birch wood --- pre-treatment --- process parameter --- lignocellulose --- 2-furaldehyde --- Komagataeibacter --- stretchable bacterial cellulose --- enhanced strain --- vitamin C --- collagen --- anisotropy --- electron irradiation --- tensile test --- activated carbon --- MnO2 --- Co NPs --- antibacterial activity --- hydrogels --- antimicrobial activities --- functionalized materials --- cellulose derivatives --- flexor tendon repair --- anti-inflammatory --- anti-adhesion --- antimicrobial --- polymer-based constructs --- biosorbent --- copper --- adsorption --- model studies --- aqueous medium --- biodegradable polymers --- chemical modification --- food packaging --- free radical polymerization --- superabsorbent --- water-retaining agent --- thermal properties --- Mimosa pudica mucilage --- extraction optimization --- Box-Behnken design --- response surface methodology --- pH-responsive on–off switching --- zero-order release --- antimicrobial activity --- bacterial cellulose --- cytotoxicity --- nisin --- stability

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Natural polymers are already used for a variety of biomedical applications, including drug delivery, wound healing, tissue engineering, biosensors, etc. However, they have also found other applications, for example, in the food industry, the pharmaceutical industry, as firefighting materials, water purification, etc. Different polysaccharide and protein-based systems have been developed. They each have their properties that render them useful for certain applications such as the water solubility of alginate, the thermo-sensitivity of chitosan, the abundance of cellulose and starch, or the cell adhesion and proliferation of gelatin and collagen. This Special Issue will explore the design, synthesis, processing, characterization, and applications of new functional natural-based polymers.

Research & information: general --- Biology, life sciences --- Biochemistry --- light conversion film --- cellulose acetate --- europium --- sensitization --- X-ray photoelectron spectroscopy --- surface plasmon resonance --- thin film --- quantum dot --- 4-(2-pyridylazo)resorcinol --- chitosan --- graphene oxide --- 3D printing --- carboxymethyl cellulose --- hydrogel --- lyophilization --- dissolution --- release model --- customization --- NO-donor --- topical release --- polymeric matrices --- microbial infections --- wound healing --- blood circulation --- semisynthetic polymers --- natural rubber --- rice husk ash --- alginate --- mechanical properties --- dielectric properties --- nanohydrogel --- food applications --- biopolymers --- polysaccharide --- neural network --- chicken feet --- sensorial quality --- food quality --- gelatine --- hyaluronic acid --- polyethylene oxide --- electrospinning --- nanofibers --- wound dressings --- pectin --- pectinase --- wheat bran --- banana peel --- Bacillus amyloliquefaciens --- prebiotics --- mucilage --- pectin polysaccharide --- Opuntia ficus-indica --- aloe vera --- acemannan --- Cactaceae --- Asphodelaceae --- porcine gastric mucin --- methacryloyl mucin --- double-cross-linked networks --- circular dichroism --- mechanical characterization --- date palm trunk mesh --- cellulose --- lignocellulosic waste --- alpha cellulose --- nanocellulose --- agro-byproduct --- Bacillus licheniformis --- bioconversion --- pomelo albedo --- sucrolytic --- lubricant --- tribology --- albumin deposition --- contact lens --- surface roughness --- bio-based polyurethanes --- prepolymers --- cellulose-derived polyol --- cellulose-citrate --- polyurethane composites --- poly(lactic acid) --- nanocomposites --- tannin --- lignin --- thermal degradation kinetics --- decomposition mechanism --- pyrolysis --- nanocomposite --- nanofertilizer --- slow release --- ammonia oxidase gene --- quantitative polymerase chain reaction --- microflora N cycle --- nutrient use efficiency --- soil N content --- aerogels --- cold plasma coating --- hydrophobization --- pore structure --- chitinous fishery wastes --- chitinase --- crab shells --- Paenibacillus --- N-acetyl-D-glucosamine --- phenol --- adhesive hydrogels --- nanomaterials --- surface modification --- latex --- lignocellulosic fibers --- conventional fillers --- CNC --- esterification reaction --- graft copolymerization --- hydrophobic modification --- flocculant --- crosslinking --- peptides --- glutaraldehyde --- specified risk materials --- laccase --- melanin --- decolorization --- natural mediators --- glycerol --- polymer electrolyte --- ionic conductivity --- biochemistry --- pH and rumen temperature --- protozoa --- zero valent iron --- nanoparticles --- ethylene glycol --- methylene blue --- polyhydroxyalkanoates --- poly(3-hydroxybutyrate-co-3-hydroxyhexanoate --- melt processing --- extrusion --- injection molding --- elongation at break --- crystallization --- DoE --- oil palm biomass waste --- anionic hydrogel --- swelling --- salt crosslinking agent --- CoNi nanocomposite --- cellulose paper --- antibacterial potential --- degradation --- annealing --- acetylation --- potato starch --- emulsion capacity --- FTIR --- Malva parviflora --- natural polymers --- physicochemical properties --- rheology --- birch wood --- pre-treatment --- process parameter --- lignocellulose --- 2-furaldehyde --- Komagataeibacter --- stretchable bacterial cellulose --- enhanced strain --- vitamin C --- collagen --- anisotropy --- electron irradiation --- tensile test --- activated carbon --- MnO2 --- Co NPs --- antibacterial activity --- hydrogels --- antimicrobial activities --- functionalized materials --- cellulose derivatives --- flexor tendon repair --- anti-inflammatory --- anti-adhesion --- antimicrobial --- polymer-based constructs --- biosorbent --- copper --- adsorption --- model studies --- aqueous medium --- biodegradable polymers --- chemical modification --- food packaging --- free radical polymerization --- superabsorbent --- water-retaining agent --- thermal properties --- Mimosa pudica mucilage --- extraction optimization --- Box-Behnken design --- response surface methodology --- pH-responsive on–off switching --- zero-order release --- antimicrobial activity --- bacterial cellulose --- cytotoxicity --- nisin --- stability --- light conversion film --- cellulose acetate --- europium --- sensitization --- X-ray photoelectron spectroscopy --- surface plasmon resonance --- thin film --- quantum dot --- 4-(2-pyridylazo)resorcinol --- chitosan --- graphene oxide --- 3D printing --- carboxymethyl cellulose --- hydrogel --- lyophilization --- dissolution --- release model --- customization --- NO-donor --- topical release --- polymeric matrices --- microbial infections --- wound healing --- blood circulation --- semisynthetic polymers --- natural rubber --- rice husk ash --- alginate --- mechanical properties --- dielectric properties --- nanohydrogel --- food applications --- biopolymers --- polysaccharide --- neural network --- chicken feet --- sensorial quality --- food quality --- gelatine --- hyaluronic acid --- polyethylene oxide --- electrospinning --- nanofibers --- wound dressings --- pectin --- pectinase --- wheat bran --- banana peel --- Bacillus amyloliquefaciens --- prebiotics --- mucilage --- pectin polysaccharide --- Opuntia ficus-indica --- aloe vera --- acemannan --- Cactaceae --- Asphodelaceae --- porcine gastric mucin --- methacryloyl mucin --- double-cross-linked networks --- circular dichroism --- mechanical characterization --- date palm trunk mesh --- cellulose --- lignocellulosic waste --- alpha cellulose --- nanocellulose --- agro-byproduct --- Bacillus licheniformis --- bioconversion --- pomelo albedo --- sucrolytic --- lubricant --- tribology --- albumin deposition --- contact lens --- surface roughness --- bio-based polyurethanes --- prepolymers --- cellulose-derived polyol --- cellulose-citrate --- polyurethane composites --- poly(lactic acid) --- nanocomposites --- tannin --- lignin --- thermal degradation kinetics --- decomposition mechanism --- pyrolysis --- nanocomposite --- nanofertilizer --- slow release --- ammonia oxidase gene --- quantitative polymerase chain reaction --- microflora N cycle --- nutrient use efficiency --- soil N content --- aerogels --- cold plasma coating --- hydrophobization --- pore structure --- chitinous fishery wastes --- chitinase --- crab shells --- Paenibacillus --- N-acetyl-D-glucosamine --- phenol --- adhesive hydrogels --- nanomaterials --- surface modification --- latex --- lignocellulosic fibers --- conventional fillers --- CNC --- esterification reaction --- graft copolymerization --- hydrophobic modification --- flocculant --- crosslinking --- peptides --- glutaraldehyde --- specified risk materials --- laccase --- melanin --- decolorization --- natural mediators --- glycerol --- polymer electrolyte --- ionic conductivity --- biochemistry --- pH and rumen temperature --- protozoa --- zero valent iron --- nanoparticles --- ethylene glycol --- methylene blue --- polyhydroxyalkanoates --- poly(3-hydroxybutyrate-co-3-hydroxyhexanoate --- melt processing --- extrusion --- injection molding --- elongation at break --- crystallization --- DoE --- oil palm biomass waste --- anionic hydrogel --- swelling --- salt crosslinking agent --- CoNi nanocomposite --- cellulose paper --- antibacterial potential --- degradation --- annealing --- acetylation --- potato starch --- emulsion capacity --- FTIR --- Malva parviflora --- natural polymers --- physicochemical properties --- rheology --- birch wood --- pre-treatment --- process parameter --- lignocellulose --- 2-furaldehyde --- Komagataeibacter --- stretchable bacterial cellulose --- enhanced strain --- vitamin C --- collagen --- anisotropy --- electron irradiation --- tensile test --- activated carbon --- MnO2 --- Co NPs --- antibacterial activity --- hydrogels --- antimicrobial activities --- functionalized materials --- cellulose derivatives --- flexor tendon repair --- anti-inflammatory --- anti-adhesion --- antimicrobial --- polymer-based constructs --- biosorbent --- copper --- adsorption --- model studies --- aqueous medium --- biodegradable polymers --- chemical modification --- food packaging --- free radical polymerization --- superabsorbent --- water-retaining agent --- thermal properties --- Mimosa pudica mucilage --- extraction optimization --- Box-Behnken design --- response surface methodology --- pH-responsive on–off switching --- zero-order release --- antimicrobial activity --- bacterial cellulose --- cytotoxicity --- nisin --- stability