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Book
Marine Phenolics : Extraction and Purification, Identification, Characterization and Applications
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Year: 2021 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

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.

Keywords

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 --- 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


Book
Marine Phenolics : Extraction and Purification, Identification, Characterization and Applications
Authors: ---
Year: 2021 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

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.


Book
Marine Phenolics : Extraction and Purification, Identification, Characterization and Applications
Authors: ---
Year: 2021 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

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.


Book
Analytical Methods for Toxics Determination
Authors: --- ---
Year: 2020 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

The purpose of this volume is to show how in this area the technology, creativity and inventiveness are the basis of new and encouraging results not only in the environmental field but also in the monitoring of xenobiotics of organic and inorganic origin in complex matrices. The final objective will always be on determining the fundamental parameters of interest to set up an analytical procedure, such as precision and trueness (that together give accuracy), the limits of detection and quantification, selectivity, and especially sensitivity, or attempting to increase this


Book
Analytical Methods for Toxics Determination
Authors: --- ---
Year: 2020 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

The purpose of this volume is to show how in this area the technology, creativity and inventiveness are the basis of new and encouraging results not only in the environmental field but also in the monitoring of xenobiotics of organic and inorganic origin in complex matrices. The final objective will always be on determining the fundamental parameters of interest to set up an analytical procedure, such as precision and trueness (that together give accuracy), the limits of detection and quantification, selectivity, and especially sensitivity, or attempting to increase this


Book
Analytical Methods for Toxics Determination
Authors: --- ---
Year: 2020 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

The purpose of this volume is to show how in this area the technology, creativity and inventiveness are the basis of new and encouraging results not only in the environmental field but also in the monitoring of xenobiotics of organic and inorganic origin in complex matrices. The final objective will always be on determining the fundamental parameters of interest to set up an analytical procedure, such as precision and trueness (that together give accuracy), the limits of detection and quantification, selectivity, and especially sensitivity, or attempting to increase this

Keywords

Research & information: general --- azides --- screen-printed sensors --- poly (3-octylthiophene) --- solid contact potentiometric sensors --- iron-phthalocyanine --- nitron-azide complexes --- microwave-assisted aqueous two-phase extraction --- Solasodine --- alkaloid --- response surface methodology --- high-performance liquid chromatography --- pre-development process --- clotrimazole --- itraconazole --- stability --- method validation --- sporotrichosis --- differential pulse voltammetry --- hydrochlorothiazide --- pyridoxine --- chemometrics --- bioindication --- heavy metals --- urban soil --- Senecio vulgaris --- Poa annua --- Polygonum aviculare --- predictive models --- MIPs --- parabens --- biological matrix --- extraction procedure --- HPLC-PDA --- stationary phase characterization --- phenol --- 3-aminophenol --- wastewater --- SPMMTE --- capillary electrophoresis --- deoxynivalenol --- dcELISA kit --- performance measurement --- development --- grapevine --- bioaccumulation --- biomonitoring --- laser-induced breakdown spectroscopy --- surface pollution --- high voltage insulators --- quantitatively analysis --- azides --- screen-printed sensors --- poly (3-octylthiophene) --- solid contact potentiometric sensors --- iron-phthalocyanine --- nitron-azide complexes --- microwave-assisted aqueous two-phase extraction --- Solasodine --- alkaloid --- response surface methodology --- high-performance liquid chromatography --- pre-development process --- clotrimazole --- itraconazole --- stability --- method validation --- sporotrichosis --- differential pulse voltammetry --- hydrochlorothiazide --- pyridoxine --- chemometrics --- bioindication --- heavy metals --- urban soil --- Senecio vulgaris --- Poa annua --- Polygonum aviculare --- predictive models --- MIPs --- parabens --- biological matrix --- extraction procedure --- HPLC-PDA --- stationary phase characterization --- phenol --- 3-aminophenol --- wastewater --- SPMMTE --- capillary electrophoresis --- deoxynivalenol --- dcELISA kit --- performance measurement --- development --- grapevine --- bioaccumulation --- biomonitoring --- laser-induced breakdown spectroscopy --- surface pollution --- high voltage insulators --- quantitatively analysis


Book
Solid Phase Extraction: State of the Art and Future Perspectives
Author:
ISBN: 3039211595 3039211587 Year: 2019 Publisher: MDPI - Multidisciplinary Digital Publishing Institute

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This book is a collection of 13 innovative papers describing the state of the art and the future perspectives in solid-phase extraction covering several analytical fields prior to the use of gas or liquid chromatographic analysis. New sorptive materials are presented including carbon nanohorn suprastructures on paper support, melamine sponge functionalized with urea–formaldehyde co-oligomers, chiral metal–organic frameworks, UiO-66-based metal–organic frameworks, and fabric phase sorptive media for various applications. Solid-phase extraction can be applied in several formats aside from the conventional cartridges or mini-column approach, e.g., online solid-phase extraction, dispersive solid-phase microextraction, and in-syringe micro-solid-phase extraction can be very helpful for analyte pre-concentration and sample clean-up. Polycyclic musks in aqueous samples, 8-Nitroguanine in DNA by chemical derivatization antibacterial diterpenes from the roots of salvia prattii, perfluoroalkyl substances (PFASs) in aater samples by bamboo charcoal-based SPE, parabens in environmental water samples, benzotriazoles as environmental pollutants, organochlorine pesticide residues in various fruit juices and water samples and synthetic peptide purification are among the applications cited in this collection. All these outstanding contributions highlight the necessity of this analytical step, present the advantages and disadvantages of each method and focus on the green analytical chemistry guidelines that have to be fulfilled in current analytical practices.


Book
Biological Potential and Medical Use of Secondary Metabolites
Authors: ---
ISBN: 3039211889 3039211870 Year: 2019 Publisher: MDPI - Multidisciplinary Digital Publishing Institute

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Many macro and micro species, from terrestrial and aquatic environments, produce structurally unique compounds and, in many countries, still are the primary sources of medicines. In fact, secondary metabolites are an important source of chemotherapeutic agents but are also lead compounds for synthetic modification and the optimization of biological activity. Therefore, the exploitation of secondary metabolites, or their inspired synthetic compounds, offers excellent opportunities for the pharmaceutical industry. This Medicines Special Issue focuses on the great potential of secondary metabolites for therapeutic application. The Special Issue contains 16 articles reporting relevant experimental results, and an overview of bioactive secondary metabolites, their biological effects, and new methodologies that improve and accelerate the process of obtained lead compounds with regard to new drug development. We would like to thank all 83 authors, from all over the world, for their valuable contributions to this Special Issue.

Keywords

antitumor --- triterpenoids --- seaweeds --- diterpenes --- Boswellia --- antioxidant activity --- antiplasmodial --- Maytenus chiapensis --- phenolic derivatives --- secondary metabolites --- medicinal applications --- Malus x domestica --- pectin --- cytotoxic activity --- xanthine oxidase --- phytochemistry --- antioxidant --- Scabiosa --- sugars --- sargaquinoic acid --- pentacyclic triterpenoids --- analysis --- antimicrobial and anticancer activity --- iridoids --- Tuscany --- GC-MS --- (-)-rabdosiin --- kratom --- plant defense --- cembranoids --- tingenone --- deoxypodophyllotoxin --- anticancer --- pristimerin --- inflammation --- boswellic acids --- plants --- anti-inflammatory --- legalization --- Mitragyna speciosa --- Ocimum sanctum --- cordycepin --- cytotoxic --- medicine --- Artemisia species --- antimicrobial activity --- lignans --- Artemisia vachanica --- Cordyceps militaris --- frankincense --- ancient varieties --- sargahydroquinoic acid --- Tajikistan --- antiSMASH --- ABTS --- polyphenols --- therapeutics --- infectious diseases --- antibacterial --- nutraceutics --- total phenolics --- LC-MS/MS --- innate immunity --- HPLC-PAD --- sarganaphthoquinoic acid --- biosynthetic gene clusters --- DPPH --- EGCG --- cneorubenoids --- PPAR-? --- bowel diseases --- amentoflavone --- molecular docking --- sargachromenoic acid --- cannabinoids --- flavonoids --- essential oils --- TCM --- HPLC-PDA --- ascorbic acid --- antioxidants --- Lamiaceae --- nanoemulsion --- malaria --- therapeutic uses --- quinonemethide triterpenoids --- artemisinin --- natural products --- biological activities --- FRAP --- toxicology --- defensins --- Celastraceae --- cannabis --- vector control --- Juniperus --- analytical determination


Book
Isolation and Analysis of Characteristic Compounds from Herbal and Plant Extracts
Authors: ---
Year: 2022 Publisher: Basel MDPI - Multidisciplinary Digital Publishing Institute

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Herbal and plant extracts show diverse activities and have been used for centuries as natural medicines for many health problems and diseases. Through the isolation and analysis of the compounds in the extracts, it is possible to understand why the extracts exhibit those activities, as well as the chemical metabolism of compounds that occur in plants and herbs. Recently, there have been increasing attempts to develop herbal and plant extracts into functional foods and drugs, but the legal requirements are becoming stricter. We need sophisticatedly defined extracts through the isolation and analysis of compounds comprising them in order to meet the legal requirements and to pursue quality control strategies in the production of functional foods and drugs. This Special Issue Book compiled the 15 recent research and review articles that highlight the isolation, profiling, and analysis of compounds in herbal and plant extracts, as well as quality control and standardized processing strategies for extracts with characteristic compounds.

Keywords

Research & information: general --- Biology, life sciences --- Polygala tenuifolia --- phenolic glycosides --- saponins --- anti-inflammatory effect --- bioactive compound --- isatidis folium --- HPLC-PDA-ESI-MS/MS --- antiwrinkle activity --- quality control --- response surface methodology --- Boesenbergia rotunda --- Zingiberaceae --- flavonoid --- 4-hydroxypanduratin --- vasorelaxation --- tribe Clauseneae --- DNA barcode --- volatile compounds --- antioxidant activity --- ACE inhibitory activity --- anticancer activity --- α-glucosidase inhibitory activity --- avocado oil --- fatty acids --- hearing loss --- zebrafish --- hair cell --- Schisandra chinensis --- Omija --- dibenzocyclooctadiene lignans --- seed --- flower --- fermented beverage --- dried tepals --- total phenolic content --- total anthocyanin content --- vitamin C --- ultrasound assisted extraction --- biorefining --- fibrosarcoma --- metastasis --- natural products --- plants --- protease inhibitors --- tumor cells --- bombacoideae --- pharmacology --- phytochemical ingredients --- bioactive compounds --- medicine --- Hippophae rhamnoides --- Elaeagnaceae --- citrate derivatives --- nuclear magnetic resonance (NMR) --- electronic circular dichroism (ECD) --- Dendrobium --- Orchidaceae --- D. nobile --- D. candidum --- D. nobile × candidum --- gamma-irradiated mutant --- metabolomics --- cytotoxicity --- Morus sp. pl. --- cultivar --- mulberry --- 1-DNJ --- HPLC-ESI-MS --- HILIC --- Inonotus obliquus --- inotodiol --- noncompartment analysis --- pharmacokinetic study --- Coreopsis rosea --- Coreopsis verticillata --- mutant cultivar --- dipeptidyl peptidase-IV --- analytical tools --- data analysis --- genetically modified crops --- mass spectrometry --- metabolomics databases --- metabolomics software tools --- omics --- plant biology --- Polygala tenuifolia --- phenolic glycosides --- saponins --- anti-inflammatory effect --- bioactive compound --- isatidis folium --- HPLC-PDA-ESI-MS/MS --- antiwrinkle activity --- quality control --- response surface methodology --- Boesenbergia rotunda --- Zingiberaceae --- flavonoid --- 4-hydroxypanduratin --- vasorelaxation --- tribe Clauseneae --- DNA barcode --- volatile compounds --- antioxidant activity --- ACE inhibitory activity --- anticancer activity --- α-glucosidase inhibitory activity --- avocado oil --- fatty acids --- hearing loss --- zebrafish --- hair cell --- Schisandra chinensis --- Omija --- dibenzocyclooctadiene lignans --- seed --- flower --- fermented beverage --- dried tepals --- total phenolic content --- total anthocyanin content --- vitamin C --- ultrasound assisted extraction --- biorefining --- fibrosarcoma --- metastasis --- natural products --- plants --- protease inhibitors --- tumor cells --- bombacoideae --- pharmacology --- phytochemical ingredients --- bioactive compounds --- medicine --- Hippophae rhamnoides --- Elaeagnaceae --- citrate derivatives --- nuclear magnetic resonance (NMR) --- electronic circular dichroism (ECD) --- Dendrobium --- Orchidaceae --- D. nobile --- D. candidum --- D. nobile × candidum --- gamma-irradiated mutant --- metabolomics --- cytotoxicity --- Morus sp. pl. --- cultivar --- mulberry --- 1-DNJ --- HPLC-ESI-MS --- HILIC --- Inonotus obliquus --- inotodiol --- noncompartment analysis --- pharmacokinetic study --- Coreopsis rosea --- Coreopsis verticillata --- mutant cultivar --- dipeptidyl peptidase-IV --- analytical tools --- data analysis --- genetically modified crops --- mass spectrometry --- metabolomics databases --- metabolomics software tools --- omics --- plant biology


Book
Innovative Extraction Techniques and Hyphenated Instrument Configuration for Complex Matrices Analysis
Authors: --- ---
ISBN: 3039210858 303921084X Year: 2019 Publisher: MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

The present Special Issue, “Innovative Extraction Techniques and Hyphenated Instrument Configuration for Complex Matrices Analysis”, aims to collect and to disseminate some of the most significant and recent contributions in the interdisciplinary area of innovative extraction procedures from complex matrices followed by validated analytical methods using hyphenated instrument configurations to support the optimization of the whole process and the scale-up possibility

Keywords

alginate --- n/a --- heavy metals --- high-speed counter-current chromatography (HSCCC) --- microwave processing --- phytochemicals --- microNIR --- antioxidant activity --- in-line monitoring --- Wuyi Rock tea --- metabolomics --- seawater --- optimization --- walnut septum --- color analysis --- metabolite profiling --- rosuvastatin --- dispersive liquid-liquid microextraction --- antioxidant --- mouse melanoma B16 cells --- nails --- extraction --- sample preparation --- quality --- MAE --- Panax notoginseng --- physicochemical properties --- flow injection --- ionic liquids --- branched-chain keto acids --- Semen Cuscutae --- near-infrared spectroscopy --- volatile organic compounds --- odor --- SFE --- single-drop microextraction --- experimental design --- cluster analysis --- therapeutic drug monitoring --- Thymus algeriensis --- metformin --- tyrosinase --- gas chromatography-olfactometry --- Ajuga genevensis --- phytosterols --- serum --- diabetes --- GHB --- polyphenols --- ultrasound assisted extraction --- microextraction --- oolong tea --- alkaloid --- minor ginsenosides --- inductively coupled plasma-mass spectrometry --- wood --- stir bar sorptive extraction --- HPLC-Q-TOF/MS --- GHB glucuronide --- Hericium erinaceuns mycelium --- endogenous values --- cultivars --- Tieguanyin tea cultivar --- SIRT1 --- modification --- HPLC-MS/MS --- fluid bed process --- steamed Panax notoginseng --- dry extract --- UPLC-QTOF MS --- flavonoids --- blood-enriching activity --- UPLC-QqQ MS --- HPLC-PDA --- neurodegenerative disease --- biological activity --- rare earth elements --- response surface methodology --- solid-phase microextraction --- Ultra-Turrax extraction --- bovine hide --- ultra-high-performance liquid chromatography tandem mass spectrometry --- gel strength --- hematopoiesis --- genistein --- muscle --- Lycium ruthenicun --- hemostatic activity --- flavonoid --- ultra-high-performance liquid chromatography coupled to electrospray ionization mass spectrometry --- HILIC --- surfactant --- saponins --- pigments --- chlorogenic acids --- daidzein --- Fe3O4 --- LC-MS --- Asphodeline lutea --- actinidin --- total polyphenolic content --- stir cake sorptive extraction --- gelatin --- ruthenicunoid A

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