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Title Recent advances in polyphenol research. Volume 5 / edited by Kumi Yoshida, Véronique Cheynier, Stéphane Quideau
Published Somerset : John Wiley & Sons, Incorporated, 2016

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Description 1 online resource (399 pages)
Series Recent Advances in Polyphenol Research Series
Recent Advances in Polyphenol Research Series
Contents Title Page ; Copyright Page; Contents; Contributors; Preface; Chapter 1 The Physical Chemistry of Polyphenols: Insights into the Activity of Polyphenols in Humans at the Molecular Level; 1.1 Introduction; 1.2 Molecular complexation of polyphenols; 1.2.1 Polyphenol-protein binding; 1.2.1.1 Interactions in the digestive tract; 1.2.1.2 Interactions beyond intestinal absorption; 1.2.2 Interactions with membranes; 1.3 Polyphenols as electron donors; 1.3.1 The physicochemical bases of polyphenol-to-ROS electron transfer ; 1.3.1.1 Thermodynamics descriptors
1.3.1.2 Kinetics of hydrogen atom transfer; 1.3.1.3 Kinetics and mechanisms; 1.3.2 ROS scavenging by polyphenols in the gastrointestinal tract; 1.4 Polyphenols as ligands for metal ions; 1.4.1 Interactions of polyphenols with iron and copper ions; 1.4.2 A preliminary theoretical study of iron-polyphenol binding; 1.4.2.1 Charge states, spin states, and geometries; 1.4.2.2 Oxidation of the bideprotonated catechol; 1.5 Conclusions; References; Chapter 2 Polyphenols in Bryophytes: Structures, Biological Activities, and Bio- and Total Syntheses ; 2.1 Introduction
2.2 Distribution of cyclic and acyclic bis-bibenzyls in Marchantiophyta (liverworts); 2.3 Biosynthesis of bis-bibenzyls ; 2.4 The structures of bis-bibenzyls and their total synthesis ; 2.5 Biological activity of bis-bibenzyls ; 2.6 Conclusions; Acknowledgments; References; Chapter 3 Oxidation Mechanism of Polyphenols and Chemistry of Black Tea; 3.1 Introduction; 3.2 Catechin oxidation and production of theaflavins; 3.3 Theasinensins; 3.4 Coupled oxidation mechanism; 3.5 Bicyclo[3.2.1]octane intermediates; 3.6 Structures of catechin oxidation products; 3.7 Oligomeric oxidation products
3.8 Conclusions; Acknowledgments; References; Chapter 4 A Proteomic-Based Quantitative Analysis of the Relationship Between Monolignol Biosynthetic Protein Abundance and Lignin Content Using Transgenic Populus trichocarpa ; 4.1 Introduction; 4.2 Results; 4.2.1 Production of transgenic trees downregulated for genes in monolignol biosynthesis; 4.2.2 Absolute quantification of protein abundance; 4.2.3 Variation in protein abundance in wild-type and transgenic plants ; 4.2.4 Variation in lignin content; 4.2.5 Relationship of lignin content and protein abundance; 4.3 Discussion
4.4 Materials and methods; 4.4.1 Production of transgenic trees; 4.4.2 Proteomic analysis; 4.4.3 Lignin quantification; 4.4.4 Statistical analysis; References; Chapter 5 Monolignol Biosynthesis and Regulation in Grasses; 5.1 Introduction; 5.2 Unique cell walls in grasses; 5.3 Lignin deposition in grasses; 5.4 Monolignol biosynthesis in grasses; 5.4.1 Proposed pathway for monolignol biosynthesis; 5.4.2 Monolignol biosynthetic genes in grasses; 5.4.3 Functional genomics of monolignol biosynthesis in grass species; 5.5 Regulation of monolignol biosynthesis in grasses
5.5.1 Lignin regulation in secondary cell wall biosynthesis
Summary Plant polyphenols are secondary metabolites that constitute one of the most common and widespread groups of natural products. They express a large and diverse panel of biological activities including beneficial effects on both plants and humans. Many polyphenols, from their structurally simplest representatives to their oligo/polymeric versions (also referred to as vegetable tannins), are notably known as phytoestrogens, plant pigments, potent antioxidants, and protein interacting agents
Notes Print version record
Subject Polyphenols.
Polyphenols
Form Electronic book
Author Yoshida, Kumi, editor
Cheynier, Véronique, editor.
Quideau, Stéphane, editor.
ISBN 9781118883303
1118883306
9781118883297
1118883292
9781118883266
1118883268