Thoughts on thearubigins.
The chemistry underlying the changes which occur during tea leaf fermentation is reviewed and used as a basis for proposals for the structure of thearubigins, the major pigments of black teas.
Haslam
Edwin
E
Department of Chemistry, Dainton Building, University of Sheffield, Sheffield S3 7HF, UK. edwin.haslam@btinternet.com
D002392:Catechin / Q000031:analogs & derivatives* / Q000737:chemistry*; D004156:Catechol Oxidase / Q000378:metabolism; D005285:Fermentation; D005419:Flavonoids / Q000737:chemistry / Q000378:metabolism; D008543:Melanins / Q000378:metabolism; D010084:Oxidation-Reduction; D010636:Phenols / Q000737:chemistry*; D018515:Plant Leaves / Q000737:chemistry; D059808:Polyphenols; D013662:Tea / Q000737:chemistry* / Q000378:metabolism*
D005419:Flavonoids; D008543:Melanins; D010636:Phenols; D059808:Polyphenols; D013662:Tea; C086701:thearubigin; D002392:Catechin; D004156:Catechol Oxidase