Plant Polyphenols: Synthesis, Properties, Significance

Front Matter....Pages i-xii
Front Matter....Pages 1-1
Introduction of Professor David G. Roux, Recipient of the 2nd North American Tannin Conference Award....Pages 3-6
Reflections on the Chemistry and Affinities of the Major Commercial Condensed Tannins in the Context of their Industrial Use....Pages 7-39
Front Matter....Pages 41-41
Enzymes in the Biosynthesis of Hydrolyzable Tannins....Pages 43-60
Biosynthesis of Flavonoids....Pages 61-72
Stereo Selectivity in Polyphenol Biosynthesis....Pages 73-95
Cellular Changes that Promote Tannin Formation in Slash Pine....Pages 97-110
Transgenic Lotus Corniculatus : A Model System for Modification and Genetic Manipulation of Condensed Tannin Biosynthesis....Pages 111-131
Stereoselective Oxygenation of Flavan-3-Ols, 4-Arylflavan-3-Ols, and Profisetinidin Biflavanoids at C-4....Pages 133-141
Enantioselective Synthesis of Flavonoids....Pages 143-165
Front Matter....Pages 167-167
Gallic Acid and Its Metabolites....Pages 169-194
Oligomeric Hydrolyzable Tannins From Liquidambar Formosana and Spectral Analysis of the Orientation of Valoneoyl Groups in Their Molecules....Pages 195-207
Chinquapinic Acid: A Novel Hydrolyzable Tannin Isolated from Chrysolepis Sempervirens ....Pages 209-220
Study on the Composition and Structure of Commercial Chestnut Tanning Agent....Pages 221-243
Structure and Chemical Properties of the Condensed Tannins....Pages 245-258
Quantitative Methods for the Estimation of Tannins in Plant Tissues....Pages 259-280
Structure of Procyanidin Oligomers Isolated From Grape Seeds in Relation to Some of their Chemical Properties....Pages 281-294
 1 H NMR Spectral Studies of Procyanidin Derivatives: Diagnostic 1 H NMR Parameters Applicable to the Structural Elucidation of Oligomeric Procyanidins....Pages 295-319
C-H Hetcor NMR Studies of Proanthocyanidins and their Derivatives....Pages 321-337
Solid State 13 C-NMR Studies on Condensed Tannins....Pages 339-347
Oxidation and Rearrangement Reactions of Condensed Tannins....Pages 349-384
Front Matter....Pages 167-167
The Nature of Non-Proanthocyanidin Units in ‘Condensed Tannins’ from Conifer Wood and Bark....Pages 385-409
Phlobaphene Precursors in Douglas-Fir Outer Bark....Pages 411-419
Complexation of Condensed Tannins with Metal Ions....Pages 421-436
Complexation Between Polyphenols and Aluminum Salts....Pages 437-445
Fluorescence of Oligomers that Contain Catechin or Epicatechin....Pages 447-458
MNDO and AM1 Molecular Orbital and Molecular Mechanics Analyses of (+)-Catechin, (-)-Epicatechin, and their 3- O -Acetyl Derivatives....Pages 459-478
Conformational Analysis of Profisetinidin Dimers....Pages 479-485
Conformational Analysis of 4-Arylflavan-3-Ols As Models for C-Ring Isomerized Condensed Tannins....Pages 487-499
Conformations of Proanthocyanidins....Pages 501-520
Front Matter....Pages 521-521
Plant Phenolics as Expressions of Biological Diversity....Pages 523-538
Pharmacologically Active Tannins Isolated from Medicinal Plants....Pages 539-569
Chemistry, Biological Significance, and Genetic Control of Proanthocyanidins in Cotton ( Gossypium SPP.)....Pages 571-595
Sequential Extraction of Condensed Tannins from Pine Litter at Different Stages of Decomposition....Pages 597-608
Activity of Phenolics in Insects: The Role of Oxidation....Pages 609-620
Antimicrobial Activity of Polyphenols Mediates Plant-Herbivore Interactions....Pages 621-637
Condensed Tannins in Plant Defense: A Perspective on Classical Theories....Pages 639-651
Polyphenols and the Distribution of Arboreal, Folivorous Marsupials in Eucalyptus Forests of Australia....Pages 653-663
Resistance to Soilborne Pathogens in Tannin-Free Faba Beans....Pages 665-672
Toxicity of Tannic Compounds to Microorganisms....Pages 673-692
Antinutritional Effects of Condensed and Hydrolyzable Tannins....Pages 693-698
Front Matter....Pages 521-521
 Prosopis Cineraria Leaf Tannins: Their Inhibitory Effect Upon Ruminal Cellulase and the Recovery of Inhibition By Polyethylene Glycol — 4000....Pages 699-704
Plant Polyphenolic Complex Inhibits The Reproduction of Influenza and Herpes Simplex Viruses....Pages 705-715
Polyphenols from Bulgarian Medicinal Plants with Anti-Infectious Activity....Pages 717-728
Proanthocyanidins and Bio Genetically Related Dihydroflavonols from cistus Incanus L.....Pages 729-737
Widespread Tannin Intake Via Stimulants and Masticatories, Especially Guaraná, Kola Nut, Betel Vine, and Accessories....Pages 739-765
Plants of the Olympic Coastal Forests: Ancient Knowledge of Materials and Medicines and Future Heritage....Pages 767-782
Antitumor-Promoting Activities of Tannic Acid, Ellagic Acid, and Several Gallic Acid Derivatives in Mouse Skin....Pages 783-801
Cotton Condensed Tannin: A Potent Modulator of Alveolar Macrophage Host-Defense Function....Pages 803-824
Front Matter....Pages 825-825
Flavor, Color, and Stability in Fruit Products: The Effect of Polyphenols....Pages 827-847
Proanthocyanidins, The Brewing Process, and the Quality of Beer....Pages 849-858
Tannins and the Qualities of Wines....Pages 859-880
Utilization of Tannins in Indonesia....Pages 881-893
Phenolic Constituents of Rapeseed....Pages 895-910
Proanthocyanidin Content of Broad Bean Seeds: Relationship of Seed Coat Color....Pages 911-914
Condensed Tannins in Some Forage Legumes: Their Role in the Prevention of Ruminant Pasture Bloat....Pages 915-934
Tannins in Woods and Their Contribution to Microbial Decay Prevention....Pages 935-952
Preparation and Performance of Tannin-Based Flocculants....Pages 953-966
Spruce Tannins in Specialty Applications....Pages 967-977
Chemistry of Pecan Tannins and Analysis of Cure of Pecan Tannin-Based Cold-Setting Adhesives with a DMA ‘Micro-Beam’ Test....Pages 979-990
Tannin Structure and the Formulation of Tannin-Based Wood Adhesives....Pages 991-1003
Front Matter....Pages 825-825
use of Tannins in Adhesive Applications: Industrial Problems and Potentials....Pages 1005-1011
The use of Tannin from Chestnut ( Castanea Vesca )....Pages 1013-1019
Leather Manufacture with Wattle Tannins....Pages 1021-1031
Front Matter....Pages 1033-1033
Concluding Remarks....Pages 1035-1036
Back Matter....Pages 1037-1053