Analysis of Antioxidant-Rich Phytochemicals
Zhimin Xu, Luke R. Howard
John Wiley & Sons, 2012 - Health & Fitness - 391 pages
To quantify antioxidants in natural sources, the application of chromatography techniques with different detectors followed by skillful sample preparation is necessary. Analysis of Antioxidant-Rich Phytochemicals is the first book that specifically covers and summarizes the details of sample preparation procedures and methods developed to identify and quantify various types of natural antioxidants in foods. Focusing on the principle of quantification methods for natural antioxidants, the book reviews and summarizes current methods used in the determination of antioxidant-rich phytochemicals in different sources. Chapter by chapter, the distinguished team of authors describes the various methods used for analysis of the different antioxidant-rich phytochemicals – phenolic acids; carotenoids; anthocyanins; ellagitannins, flavonols and flavones; catechins and procyanidins; flavanones; stilbenes; phytosterols; and tocopherols and tocotrienols. Going beyond extensive reviews of the scientific literature, the expert contributors call on their accumulated experience in sample extraction and analysis to outline procedures, identify potential problems in dealing with different samples, and offer trouble-shooting tips for the analysis. Analysis of Antioxidant-Rich Phytochemicals covers the important food applications and health-promoting functions of the major antioxidant phytochemicals, presents general analysis principles and procedures, and systematically reviews and summarizes the various analytical methods necessary for each type of natural antioxidant in different food sources.
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The Procedure Principle and Instrumentation
Analysis Methods of Phenolic Acids
Analysis Methods of Carotenoids
Analysis Methods of Anthocyanins
Analysis Methods of Ellagitannins
Analytical Methods of Flavonols and Flavones
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acetate acylated aglycones Agric Anal analysis analytical anthocyanins antioxidant antioxidant activity antioxidant capacity antioxidant phytochemicals as-Barber b-carotene biological cancer capillary carotenoids catechin characterization chemical cholesterol Chromatogr citrus column common concentration conjugates cyanidin detection detector determination dietary electrospray ellagic acid ellagitannins elution esters extraction solvent Ferreres ferulic acid flavan-3-ols flavanones flavones flavonoids flavonols Food Chem Food Sci fractions fragmentation free radicals fruits glycosides grape hexane high-performance liquid chromatography HPLC human hydrolysis hydroxyl identification ionization isoflavones isomers juice lipid lutein lycopene mass spectrometry matrix metabolites methanol methods methyl mixture mobile phase molecular Nutr oxidation peak phenolic acids phenolic compounds phytochemicals phytosterols plant plasma polar polymeric polyphenols proanthocyanidins procyanidins purification quantification reversed-phase rice bran sample preparation separation serum silica spectra stationary phase sterols steryl ferulates structural studies sugar supercritical techniques temperature tissues tocols tocopherols tocopherols and tocotrienols tocotrienols vegetables vitamin vitamin E