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Phenolic compounds are an extremely diverse class of ubiquitous secondary metabolites produced by a variety of organisms playing different biological roles. They have numerous types of demonstrated bioactivities, including antioxidant, antimicrobial, anti-inflammatory, antitumoral, immunomodulator, neuroprotective, cardioprotective, and antidiabetic activities. Marine organisms produce a vast collection of unique phenolic structures, some of them not found in terrestrial habitats. Progress in different aspects is rapidly advancing, and this Special Issue will provide updated information and recent studies on marine phenolics. Specially, this issue is focused on their chemical characterization, elucidation of their structures, evaluation of their biological properties and mechanisms of action, efficient extraction and purification technologies, development of value-added applications, as well as formulation of novel products.
ultrasound assisted extraction --- conventional extraction --- polyphenols --- phlorotannin --- macroalgae --- antioxidant capacity --- seaweeds --- antioxidant potential --- LC-ESI-QTOF-MS/MS --- HPLC-PDA --- seaweed polyphenols --- hypoglycemic effect --- starch digestion --- enzyme inhibition --- cochayuyo --- seaweed polyphenolics --- polyphenolics extractions --- phlorotannins --- bromophenols --- flavonoids --- phenolic terpenoids --- polyphenolics bioactivities --- marine phenolics --- emerging technologies --- extraction --- Ascophyllum --- seaweed --- health benefits --- isomers --- LC-MSn --- diversity --- phenolics --- simple phenolics --- seawater --- algae --- seagrass --- biological activity --- brown seaweeds --- microwave-assisted extraction --- response surface methodology --- antioxidant --- antiradical activity --- xanthine oxidase --- α-glucosidase
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Phenolic compounds in food such as fruits, vegetables, wine, spices, and oils have been characterized and their possible effects on human health has been studied in depth. Several technological aspects have also been considered concerning the sustainable extraction of phenolic compounds, the long-term storage effects, and the influence of fermentation and boiling techniques on their properties.
Research & information: general --- Biology, life sciences --- Food & society --- chestnut --- water curing --- non-targeted MS analysis --- antioxidants --- Arecaceae --- polyphenols --- volatile content --- antioxidant activity --- liquid chromatography --- inflammation --- lung --- oxidative damage --- antiviral --- polyphenol --- phenolic acids --- flavonoids --- Vicia faba --- functional food --- green solvents --- biologically active compounds --- selective separation --- medicinal plants --- ultrasonic-assisted extraction --- microwave-assisted extraction --- kombucha --- black tea --- long-term storage --- antioxidant scavenging activity --- total phenolic content --- meat quality --- antimicrobial activity --- C. scolymus --- food quality --- beverages --- health properties --- antioxidant activities --- fibrinogen --- albumin --- rutin --- tannic acid --- resveratrol --- binding properties --- first order --- kinetic modelling --- zero order --- food processing --- herbal tea --- boiling --- EVOO --- vegetables --- phenolic compounds --- thermal treatment --- processing techniques --- bioaccessibility --- bioavailability --- n/a
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Phenolic compounds are an extremely diverse class of ubiquitous secondary metabolites produced by a variety of organisms playing different biological roles. They have numerous types of demonstrated bioactivities, including antioxidant, antimicrobial, anti-inflammatory, antitumoral, immunomodulator, neuroprotective, cardioprotective, and antidiabetic activities. Marine organisms produce a vast collection of unique phenolic structures, some of them not found in terrestrial habitats. Progress in different aspects is rapidly advancing, and this Special Issue will provide updated information and recent studies on marine phenolics. Specially, this issue is focused on their chemical characterization, elucidation of their structures, evaluation of their biological properties and mechanisms of action, efficient extraction and purification technologies, development of value-added applications, as well as formulation of novel products.
Research & information: general --- Biology, life sciences --- Food & society --- ultrasound assisted extraction --- conventional extraction --- polyphenols --- phlorotannin --- macroalgae --- antioxidant capacity --- seaweeds --- antioxidant potential --- LC-ESI-QTOF-MS/MS --- HPLC-PDA --- seaweed polyphenols --- hypoglycemic effect --- starch digestion --- enzyme inhibition --- cochayuyo --- seaweed polyphenolics --- polyphenolics extractions --- phlorotannins --- bromophenols --- flavonoids --- phenolic terpenoids --- polyphenolics bioactivities --- marine phenolics --- emerging technologies --- extraction --- Ascophyllum --- seaweed --- health benefits --- isomers --- LC-MSn --- diversity --- phenolics --- simple phenolics --- seawater --- algae --- seagrass --- biological activity --- brown seaweeds --- microwave-assisted extraction --- response surface methodology --- antioxidant --- antiradical activity --- xanthine oxidase --- α-glucosidase
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This Special Issue comprises 9 research papers on the application of microwaves in chemical engineering, covering the basic research into the optimization design of microwave reaction equipment as well as methods to improve microwave heating uniformity. Also included are the practical application of microwave-assisted processing in chemical engineering in the extraction of traditional Chinese medicine and essential oils from plant materials; the treatment of carbon fiber-reinforced polymer waste; and the drying treatment of drill cuttings and Zhaotong lignite. These 9 papers together represent unique and valuable references in the research of microwave technology.
History of engineering & technology --- microwave heating --- biodiesel --- oleic acid --- coupling --- multiphysics calculation --- Basil (Ocimum basilicum L.) --- microwave-assisted extraction --- response surface methodology --- yield and composition of essential oils --- uniformity analysis --- electric discharge analysis --- Aurantii fructus --- antioxidant flavonoids --- ultrasonic-assisted extraction --- criteria importance through intercriteria correlation method --- red vine leaves --- polyphenols --- microwaves --- ultrasonic waves --- pulsed electric fields --- laboratory robot --- extraction --- lignite --- microwave drying kinetics --- hot-air drying kinetics --- effective diffusion coefficient --- apparent activation energy --- applicator design --- electromagnetic simulation --- coaxial feeding --- drill cuttings --- drying --- energy --- microwave --- conveyor belt --- CFRP --- recycling --- carbon fibers --- thermolysis --- n/a
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This Special Issue comprises 9 research papers on the application of microwaves in chemical engineering, covering the basic research into the optimization design of microwave reaction equipment as well as methods to improve microwave heating uniformity. Also included are the practical application of microwave-assisted processing in chemical engineering in the extraction of traditional Chinese medicine and essential oils from plant materials; the treatment of carbon fiber-reinforced polymer waste; and the drying treatment of drill cuttings and Zhaotong lignite. These 9 papers together represent unique and valuable references in the research of microwave technology.
microwave heating --- biodiesel --- oleic acid --- coupling --- multiphysics calculation --- Basil (Ocimum basilicum L.) --- microwave-assisted extraction --- response surface methodology --- yield and composition of essential oils --- uniformity analysis --- electric discharge analysis --- Aurantii fructus --- antioxidant flavonoids --- ultrasonic-assisted extraction --- criteria importance through intercriteria correlation method --- red vine leaves --- polyphenols --- microwaves --- ultrasonic waves --- pulsed electric fields --- laboratory robot --- extraction --- lignite --- microwave drying kinetics --- hot-air drying kinetics --- effective diffusion coefficient --- apparent activation energy --- applicator design --- electromagnetic simulation --- coaxial feeding --- drill cuttings --- drying --- energy --- microwave --- conveyor belt --- CFRP --- recycling --- carbon fibers --- thermolysis --- n/a
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This Special Issue comprises 9 research papers on the application of microwaves in chemical engineering, covering the basic research into the optimization design of microwave reaction equipment as well as methods to improve microwave heating uniformity. Also included are the practical application of microwave-assisted processing in chemical engineering in the extraction of traditional Chinese medicine and essential oils from plant materials; the treatment of carbon fiber-reinforced polymer waste; and the drying treatment of drill cuttings and Zhaotong lignite. These 9 papers together represent unique and valuable references in the research of microwave technology.
History of engineering & technology --- microwave heating --- biodiesel --- oleic acid --- coupling --- multiphysics calculation --- Basil (Ocimum basilicum L.) --- microwave-assisted extraction --- response surface methodology --- yield and composition of essential oils --- uniformity analysis --- electric discharge analysis --- Aurantii fructus --- antioxidant flavonoids --- ultrasonic-assisted extraction --- criteria importance through intercriteria correlation method --- red vine leaves --- polyphenols --- microwaves --- ultrasonic waves --- pulsed electric fields --- laboratory robot --- extraction --- lignite --- microwave drying kinetics --- hot-air drying kinetics --- effective diffusion coefficient --- apparent activation energy --- applicator design --- electromagnetic simulation --- coaxial feeding --- drill cuttings --- drying --- energy --- microwave --- conveyor belt --- CFRP --- recycling --- carbon fibers --- thermolysis
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Phenolic compounds are an extremely diverse class of ubiquitous secondary metabolites produced by a variety of organisms playing different biological roles. They have numerous types of demonstrated bioactivities, including antioxidant, antimicrobial, anti-inflammatory, antitumoral, immunomodulator, neuroprotective, cardioprotective, and antidiabetic activities. Marine organisms produce a vast collection of unique phenolic structures, some of them not found in terrestrial habitats. Progress in different aspects is rapidly advancing, and this Special Issue will provide updated information and recent studies on marine phenolics. Specially, this issue is focused on their chemical characterization, elucidation of their structures, evaluation of their biological properties and mechanisms of action, efficient extraction and purification technologies, development of value-added applications, as well as formulation of novel products.
Research & information: general --- Biology, life sciences --- Food & society --- ultrasound assisted extraction --- conventional extraction --- polyphenols --- phlorotannin --- macroalgae --- antioxidant capacity --- seaweeds --- antioxidant potential --- LC-ESI-QTOF-MS/MS --- HPLC-PDA --- seaweed polyphenols --- hypoglycemic effect --- starch digestion --- enzyme inhibition --- cochayuyo --- seaweed polyphenolics --- polyphenolics extractions --- phlorotannins --- bromophenols --- flavonoids --- phenolic terpenoids --- polyphenolics bioactivities --- marine phenolics --- emerging technologies --- extraction --- Ascophyllum --- seaweed --- health benefits --- isomers --- LC-MSn --- diversity --- phenolics --- simple phenolics --- seawater --- algae --- seagrass --- biological activity --- brown seaweeds --- microwave-assisted extraction --- response surface methodology --- antioxidant --- antiradical activity --- xanthine oxidase --- α-glucosidase
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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.
polyphenols --- n/a --- valorization --- ultrasound assisted extraction --- microwave assisted extraction --- Box–Behnken design --- HPLC-DAD-q-TOF-MS --- Dioscorea batatas --- green oleo-extraction --- grape marc --- quantitative analysis --- natural antioxidants and flavors --- antioxidant --- infrared-assisted extraction --- anti-ageing --- anthocyanins --- liquid chromatography-mass spectrometry --- Chinese yam --- functional food --- extraction --- olive mill wastewater --- adsorbents --- relative solubility simulation --- HPLC-fluorometric detector (FLD)–MS --- saffron --- antioxidants --- food-grade solvents --- Mango --- zero-waste biorefinery --- response surface methodology --- ophthalmic hydrogel --- olive leaves --- sonotrode ultrasonic-assisted extraction --- vegetable oils and derivatives --- anti-inflammatory --- skin whitening --- phenolics --- Brewers’ spent grains --- proanthocyanidins --- brewer’s spent grain --- anti-inflammatory and antioxidant activity --- antimicrobial activity --- by-products --- antiplatelet activity --- phenanthrenes --- wine lees --- bioactive compounds --- deep eutectic solvents --- Box-Behnken design --- HPLC-fluorometric detector (FLD)-MS --- Brewers' spent grains --- brewer's spent grain
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Sample preparation is and will always be the most important step in chemical analysis. Numerous techniques, methods, methodologies, and approaches are published in the literature offering a wide range of analytical tools to the lab practitioner. Analytical scientists all over the world are trying to develop protocols for a plethora of analytes in various sample matrices. In the last decade, sample pre-treatment advances have followed green chemistry and green analytical chemistry demands, focusing on miniaturization and automation, using the least possible amount of organic solvents. The question is how far we have been till now, and what the future perspectives are. To answer this question, analytical chemists were invited to share their experience in the field and report on the recent advances in sample-preparation approaches. The outcome of our invitation was eleven excellent manuscripts, including four review articles and seven original research articles in the first edition of the Special Issue “Sample Preparation-Quo Vadis: Current Status of Sample Preparation Approaches”.The second edition is a collection of ten significant contributions to the field of sample preparation. It includes two highly interesting and comprehensive review articles and eight innovative research articles.
Research & information: general --- Chemistry --- Analytical chemistry --- sample preparation --- matrix solid-phase dispersion --- salting-out --- homogenous liquid-liquid extraction --- bisphenol --- bee pollen --- tricyclic antidepressants --- urine samples --- bar adsorptive microextraction (BAμE) --- novel sorbent phases --- biomaterials waste --- flotation sampling technology --- GC-MS --- amino acids --- chocolate --- derivatization --- HPLC --- fluorescence --- automation --- flow injection --- inductively coupled plasma --- sol-gel --- solid-phase extraction --- metals --- molecular imprinted polymer --- interaction mechanism --- template-monomer interaction --- MIP-template interaction --- microwave-assisted extraction --- tocopherols --- phenolics --- flavonoids --- authenticity --- HPLC-UV --- bismuth oxide --- API particle size --- API morphology --- film-coated tablets --- Raman spectroscopy --- ImageJ --- tablet disintegration --- green extraction techniques --- microextraction techniques --- biological samples --- food samples --- environmental samples --- carbaryl --- cassia bark (Senna siamea Lam.) --- smartphone-based digital image analysis --- 1-naphthol --- peroxidase enzyme --- raman spectroscopy --- carriers --- sample holders --- gold layer --- cuvette --- ethanol --- urine --- volatile compounds --- biological fluids --- n/a
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This book entitled Marine Algal Antioxidants, as a special issue of the Antioxidants journal, encloses eleven scientific articles with a preface written by the two editors, Christophe Brunet and Clementina Sansone. Marine Algal Antioxidants book reports advances of the research on marine photosynthetic organisms for the growth of biotechnological pipelines aimed to enhance antioxidant molecules production by algae. More than twenty scientists share the results of their research and highlight the relevance of algae for developing marine biotechnology products to flourish the requirements of nutraceuticals or cosmeceuticals in the defense of human health. Multidisciplinarity of the scientific approaches presented in this book – such as physiological, molecular, chemistry, technical or technological methodologies – lays the foundation for harmonizing the links between them towards the unique goal of the improvement of marine algal factory processes.
Technology: general issues --- algae --- Chlorella --- Fucus --- detoxification --- environmental pollution --- antioxidants --- heavy metals --- selenium --- SOD-1 --- neurotoxicology --- aminoazuphrates --- clinical medicine --- nutrition --- neuropathology --- Dunaliella salina --- microalgae --- red LED --- blue LED --- growth --- carotenoids --- plastoquinol:oxygen oxidoreductase --- photosynthesis --- antioxidant activities --- Box–Behnken design --- microwave-assisted extraction --- polysaccharide --- Ulva pertusa --- seaweed --- 9-cis β-carotene --- all-trans β-carotene --- light intensity --- isomerisation --- light --- ascorbic acid --- phenolic compounds --- flavonoids --- photoprotection --- Phaeodactylum tricornutum --- fucoxanthin --- antioxidative --- antiproliferative --- antioxidant --- biodiversity --- genome–scale metabolic networks (GSMNs), data integration --- brown algae --- oxygenated carotenoid biosynthesis --- abscisic acid --- Saccharina japonica --- Cladosiphon okamuranus --- lipophilic antioxidant --- solvent blending --- macroalgae --- LC-ESI-MS/MS --- carotenoid pigment --- anthocyanin --- chlorophyll derivative --- phototrophic --- heterotrophic --- Scenedesmus --- chlorophylls --- hydroxy-chlorophyll --- oxidative metabolism --- ROS --- lactone-chlorophyll --- photoacclimation --- seaweeds --- green algae --- marine algae --- Ulva intestinalis --- Enteromorpha intestinalis --- quantification --- polyphenols --- apigenin --- accelerated solvent extraction --- ASE --- HPLC-LRMS --- HPLC-HRMS --- HPLC --- TPC --- Folin–Ciocalteu --- TFC --- qNMR --- n/a --- Box-Behnken design --- genome-scale metabolic networks (GSMNs), data integration --- Folin-Ciocalteu
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