Chemistry of Vegetable Tannins |
Contents
PREFACE CHAPTER 1 The Scope of Vegetable Tannin Chemistry Introduction II The Structure of Collagen III The Mechanism of Vegetable Tanna... | 1 |
Condensed TanninsAnalysis of the Extracts Introduction II Preparation of Plant Extracts III Qualitative Analysis of Flavonoid Compounds IV Isolatio... | 14 |
Chemical Degradation | 32 |
Copyright | |
17 other sections not shown
Common terms and phrases
Acacia acetic acid amino acids aqueous aromatic bark Biochem biosynthesis catechin CH₂ CH₂OH chalcone chebulic acid chebulinic Chem chemical chemistry Clark-Lewis collagen condensed tannins configuration COOH corilagin crystalline depside derivatives diazomethane ellagic acid ellagitannins enzymic epicatechin epigallocatechin esters flavan-3-ols flavone flavonoid flavonoid compounds formation Freudenberg gallate gallic acid galloyl esters galloyl groups gave glucose H OH Haslam Haworth heartwood hexahydroxydiphenoyl HOOC hydrolysable tannins hydrolysis hydroxyl groups isolated Justus Liebigs Justus Liebigs Annln Liebigs Annln Chem lignin linkages Mayer MeO MeO MeO OMe metabolism methanolysis methods methyl molecular OH H OH HO OH OH OH OH OMe MeO OMe OMe ORą H oxidation pathways phenolic plant extracts polymerization polyphenols precursors prephenic acid proton magnetic resonance racemates reaction readily Roux Schmidt shikimic acid shown stilbenes structure suggested Sumach gallotannins synthesis tannage tannase tannin extracts tannins tion valoneaic vegetable tannins Weinges он