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Editorial Cuvillier

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Development and Validation of Analytical Methods for the Quantitation of Flavonoid Metabolites in Physiological Fluids via UHPLC-MS

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Development and Validation of Analytical Methods for the Quantitation of Flavonoid Metabolites in Physiological Fluids via UHPLC-MS (Volumen 13) (Tienda española)

Michael Kaiser (Autor)

Previo

Lectura de prueba, PDF (700 KB)
Indice, PDF (96 KB)

ISBN-13 (Impresion) 9783736976238
ISBN-13 (E-Book) 9783736966239
Idioma Inglés
Numero de paginas 122
Laminacion de la cubierta mate
Edicion 1.
Serie Schriftenreihe der Professur für Molekulare Lebensmitteltechnologie
Volumen 13
Lugar de publicacion Göttingen
Lugar de la disertacion Bonn
Fecha de publicacion 23.05.2022
Clasificacion simple Tesis doctoral
Area Química
Química analítica
Química de alimentación
Palabras claves Polyphenole, Flavonoide, Flavonole, Anthocyane, Anthocyanidine, Quercetin, Rutin, Cyanidin, Delphinidin, Pelargonidin, Petunidin, Peonidin, Malvidin, Blut, Plasma, Urin, Plasmaproteine, Proteine, Peptide, Humanserumalbumin, Metabolismus, Phase II Metabolismus, Proteolyse, Enzyme, Proteasen, Peptidasen, Endopeptidasen, Pepsin, Trypsin, Papain, Protease Typ XIV, Glucuronidase, Sulfatase, Hydrolyse, Gucuronide, Glucoside, Flüssigchromatographie, Massenspektrometrie, LC-MS, Validierung, Lebensmittelchemie, Bioverfügbarkeit, Biozugänglichkeit, Gesundheit, Demenz, Alzheimer, Krebs, Heidelbeeren, Ernährung, Metabolitenprofil, Summenparameter, in vivo, Humanstudie, Humanstoffwechsel, Methodenentwicklung, Probenvorbereitung, Inkubation, Flüssig-Flüssig-Extraktion, Proteinfällung, Chemie, Analytische Chemie, Ernährungswissenschaften, Polyphenols, Flavonoids, Flavonols, Anthocyanidins, Anthocyanins, Quercetin, Quercetin-rutinoside, Cyanidin, Delphinidin, Pelargonidin, Petunidin, Peonidin, Malvidin, Blood, Plasma, Urine, Plasma Proteins, Proteins, Peptides, Human Serum Albumin, Metabolism, Phase II Metabolism, Proteolysis, Enzymes, Proteases, Peptidases, Endopeptidases, Pepsin, Trypsin, Papain, Protease Type XIV, Glucuronidase, Sulfatase, Hydrolysis, Glucuronides, Glucosides, Liquid Chromatography, Mass Spectrometry, LC-MS, Validation, Food Chemistry, Bioavailability, Bioaccessibility, Health, Dementia, Alzheimer, Cancer, Bilberries, Nutrition, Metabolite Profile, Sum Parameter, in vivo, Human Study, Human Metabolism, Method Development, Sample Preparation, Incubation, Liquid Liquid Extraction, Peptide Precipitation, Chemistry, Analytical Chemistry, Nutritional Science
Descripcion

Flavonoids, such as flavonols and anthocyanins, have been increasingly attributed health-promoting properties for several years. Thus, they are increasingly attracting scientific interest in metabolism and bioavailability research.
To investigate the bioavailability of these phytochemicals, new and better methods to examine the metabolism and to quantify the metabolites are needed. Therefore, within the framework of this thesis, new methods for the analysis of the phase II metabolites of flavonols and anthocyanins from physiological samples, such as plasma and urine, were developed and validated.
In the blood, most of the flavonoid metabolites are protein-bound, which is why plasma proteins such as human serum albumin represent a particular analytical challenge. With the enzymatic plasma proteolysis, a novel approach was chosen to analyze plasma samples and various peptidases were tested as part of the method development. It could be shown that in addition to conventional sample preparation methods such as SPE and protein precipitation, plasma proteolysis using pepsin is also a suitable approach for the analysis of flavonoid metabolites.
The repertory of available valid methods for bioavailability and metabolism research of flavonoids, and possibly other phytochemicals, could thus be expanded by the research work presented here.